/* ---------- Fonts ---------- */
@font-face { font-family: "Fraunces"; src: url("/fonts/fraunces.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("/fonts/fraunces-italic.woff2") format("woff2"); font-weight: 100 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;

  /* Color — light. Ratios are WCAG contrast against --dd-bg. */
  --dd-bg: #f7f3ec;
  --dd-bg-raised: #fffdf9;
  --dd-bg-sunken: #efe9de;
  --dd-ink: #16141c;             /* 16.9:1 */
  --dd-ink-2: #55505c;           /* 7.3:1 */
  --dd-ink-3: #6c6773;           /* 5.2:1 */
  --dd-line: #e7e0d3;
  --dd-line-strong: #d4cbbb;
  --dd-accent: #3d3fd0;          /* 7.2:1 — indigo signal */
  --dd-accent-strong: #2c2ea8;
  --dd-accent-ink: #ffffff;
  --dd-accent-soft: #e9e8fb;
  --dd-violet: #7b4fe0;
  --dd-amber: #9a5a06;           /* 5.3:1 — text-safe amber */
  --dd-amber-soft: #f7e6c8;
  --dd-glow: #f2a93b;            /* headlight amber, decorative only */
  --dd-ok: #1d6b45;              /* 5.9:1 */
  --dd-ok-soft: #dcefe1;
  --dd-danger: #a12f2f;          /* 6.5:1 */
  --dd-danger-soft: #f8e0dc;
  --dd-night: #0e1120;           /* always-dark panels: hero, voice */
  --dd-night-2: #171b30;
  --dd-night-ink: #f3efe6;
  --dd-night-ink-2: #b9b4c2;
  --dd-shadow-tint: 24 20 48;
  --dd-grad-accent: linear-gradient(135deg, #4b47e2 0%, #6447e3 55%, #8550dc 100%);
  --dd-grad-glow: radial-gradient(60% 60% at 50% 40%, rgb(242 169 59 / 0.55), transparent 70%);

  /* Category colors, AA against --dd-bg and their own -soft */
  --dd-cat-business: #3d3fd0;   --dd-cat-business-soft: #e9e8fb;
  --dd-cat-money: #8a5a06;      --dd-cat-money-soft: #f5e6c6;
  --dd-cat-home: #a24a2f;       --dd-cat-home-soft: #f4ded3;
  --dd-cat-travel: #0f6f68;     --dd-cat-travel-soft: #d8efeb;
  --dd-cat-health: #2a6139;     --dd-cat-health-soft: #d5eadb;
  --dd-cat-relationships: #9c3f66; --dd-cat-relationships-soft: #f6dfe8;
  --dd-cat-learning: #6f5508;   --dd-cat-learning-soft: #ece0b4;
  --dd-cat-career: #375078;     --dd-cat-career-soft: #dfe7f1;

  /* Type */
  --dd-font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --dd-font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --dd-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --dd-fs-100: 0.75rem;     /* 12 — eyebrows, micro */
  --dd-fs-200: 0.8125rem;   /* 13 — meta, hint */
  --dd-fs-300: 0.9375rem;   /* 15 — dense UI */
  --dd-fs-400: 1rem;        /* 16 — body */
  --dd-fs-500: 1.1875rem;   /* 19 — card titles */
  --dd-fs-600: 1.5rem;      /* 24 — section titles */
  --dd-fs-700: 1.875rem;    /* 30 — screen titles */
  --dd-fs-800: clamp(2.125rem, 1.6rem + 2.4vw, 2.875rem);  /* 34–46 — page heroes */
  --dd-fs-900: clamp(2.5rem, 1.5rem + 5vw, 4.5rem);        /* 40–72 — landing */

  /* Space — 4px base, 8px rhythm */
  --dd-space-1: 4px;  --dd-space-2: 8px;  --dd-space-3: 12px; --dd-space-4: 16px;
  --dd-space-5: 20px; --dd-space-6: 24px; --dd-space-7: 32px; --dd-space-8: 40px;
  --dd-space-9: 56px; --dd-space-10: 80px;

  /* Shape */
  --dd-radius-sm: 10px; --dd-radius-md: 14px; --dd-radius-lg: 22px; --dd-radius-xl: 28px; --dd-radius-pill: 999px;

  /* Elevation — soft, layered, tinted */
  --dd-shadow-xs: 0 1px 2px rgb(var(--dd-shadow-tint) / 0.06);
  --dd-shadow-sm: 0 1px 2px rgb(var(--dd-shadow-tint) / 0.05), 0 4px 14px -6px rgb(var(--dd-shadow-tint) / 0.10);
  --dd-shadow-md: 0 1px 2px rgb(var(--dd-shadow-tint) / 0.05), 0 12px 32px -14px rgb(var(--dd-shadow-tint) / 0.22);
  --dd-shadow-lg: 0 2px 6px rgb(var(--dd-shadow-tint) / 0.06), 0 30px 64px -24px rgb(var(--dd-shadow-tint) / 0.38);
  --dd-shadow-glow: 0 10px 28px -10px rgb(75 71 226 / 0.6);
  --dd-highlight: inset 0 1px 0 rgb(255 255 255 / 0.7);

  /* Motion — one ease for movement, one spring for feedback */
  --dd-ease: cubic-bezier(0.22, 0.8, 0.24, 1);
  --dd-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dd-dur-1: 120ms; --dd-dur-2: 220ms; --dd-dur-3: 380ms; --dd-dur-4: 640ms;

  /* Layout */
  --dd-nav-rail-w: 252px;
  --dd-bottom-nav-h: 72px;
  --dd-tap-min: 44px;
  --dd-content-max: 760px;
  --dd-shell-max: 1240px;

  /* Grain */
  --dd-grain-opacity: 0.045;
  --dd-grain-blend: multiply;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --dd-bg: #0b0d16; --dd-bg-raised: #141727; --dd-bg-sunken: #0f111d;
    --dd-ink: #f2eee6; --dd-ink-2: #b4afbd; --dd-ink-3: #8f8a9a;
    --dd-line: #22263a; --dd-line-strong: #30354c;
    --dd-accent: #a9abff; --dd-accent-strong: #c6c7ff; --dd-accent-ink: #ffffff; --dd-accent-soft: #1e2145;
    --dd-violet: #b796ff; --dd-amber: #f5b65a; --dd-amber-soft: #33260f; --dd-glow: #f5b65a;
    --dd-ok: #8fdcb8; --dd-ok-soft: #12291d; --dd-danger: #f3a4a0; --dd-danger-soft: #361b1b;
    --dd-cat-business: #a9abff; --dd-cat-business-soft: #1e2145;
    --dd-cat-money: #f0c06e; --dd-cat-money-soft: #33270f;
    --dd-cat-home: #f0a888; --dd-cat-home-soft: #39261e;
    --dd-cat-travel: #7fd8cd; --dd-cat-travel-soft: #12312d;
    --dd-cat-health: #8fd4a3; --dd-cat-health-soft: #133020;
    --dd-cat-relationships: #f0a0c0; --dd-cat-relationships-soft: #381e2a;
    --dd-cat-learning: #e0c878; --dd-cat-learning-soft: #332b12;
    --dd-cat-career: #a8c0e0; --dd-cat-career-soft: #1d2a3b;
    --dd-shadow-tint: 0 0 0;
    --dd-shadow-sm: 0 0 0 1px var(--dd-line), 0 8px 24px -14px rgb(0 0 0 / 0.6);
    --dd-shadow-md: 0 0 0 1px var(--dd-line), 0 18px 40px -18px rgb(0 0 0 / 0.75);
    --dd-shadow-lg: 0 0 0 1px var(--dd-line-strong), 0 30px 70px -20px rgb(0 0 0 / 0.8);
    --dd-shadow-glow: 0 10px 30px -8px rgb(110 100 255 / 0.55);
    --dd-highlight: inset 0 1px 0 rgb(255 255 255 / 0.05);
    --dd-grain-opacity: 0.06; --dd-grain-blend: soft-light;
  }
}
html[data-theme="dark"] {
  color-scheme: dark;
  --dd-bg: #0b0d16; --dd-bg-raised: #141727; --dd-bg-sunken: #0f111d;
  --dd-ink: #f2eee6; --dd-ink-2: #b4afbd; --dd-ink-3: #8f8a9a;
  --dd-line: #22263a; --dd-line-strong: #30354c;
  --dd-accent: #a9abff; --dd-accent-strong: #c6c7ff; --dd-accent-ink: #ffffff; --dd-accent-soft: #1e2145;
  --dd-violet: #b796ff; --dd-amber: #f5b65a; --dd-amber-soft: #33260f; --dd-glow: #f5b65a;
  --dd-ok: #8fdcb8; --dd-ok-soft: #12291d; --dd-danger: #f3a4a0; --dd-danger-soft: #361b1b;
  --dd-cat-business: #a9abff; --dd-cat-business-soft: #1e2145;
  --dd-cat-money: #f0c06e; --dd-cat-money-soft: #33270f;
  --dd-cat-home: #f0a888; --dd-cat-home-soft: #39261e;
  --dd-cat-travel: #7fd8cd; --dd-cat-travel-soft: #12312d;
  --dd-cat-health: #8fd4a3; --dd-cat-health-soft: #133020;
  --dd-cat-relationships: #f0a0c0; --dd-cat-relationships-soft: #381e2a;
  --dd-cat-learning: #e0c878; --dd-cat-learning-soft: #332b12;
  --dd-cat-career: #a8c0e0; --dd-cat-career-soft: #1d2a3b;
  --dd-shadow-tint: 0 0 0;
  --dd-shadow-sm: 0 0 0 1px var(--dd-line), 0 8px 24px -14px rgb(0 0 0 / 0.6);
  --dd-shadow-md: 0 0 0 1px var(--dd-line), 0 18px 40px -18px rgb(0 0 0 / 0.75);
  --dd-shadow-lg: 0 0 0 1px var(--dd-line-strong), 0 30px 70px -20px rgb(0 0 0 / 0.8);
  --dd-shadow-glow: 0 10px 30px -8px rgb(110 100 255 / 0.55);
  --dd-highlight: inset 0 1px 0 rgb(255 255 255 / 0.05);
  --dd-grain-opacity: 0.06; --dd-grain-blend: soft-light;
}
html[data-theme="light"] { color-scheme: light; }

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; background: var(--dd-bg); color: var(--dd-ink); }
body {
  font-family: var(--dd-font-body); font-size: var(--dd-fs-400); line-height: 1.6;
  font-feature-settings: "cv11", "ss01"; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent; text-rendering: optimizeLegibility; min-height: 100dvh;
}
/* Film grain: a faint texture so flat color feels like paper, not plastic. */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: var(--dd-grain-opacity); mix-blend-mode: var(--dd-grain-blend);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; -webkit-appearance: none; appearance: none; touch-action: manipulation; }
a { color: var(--dd-accent); font-weight: 600; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--dd-violet); }
:focus-visible { outline: 2px solid var(--dd-accent); outline-offset: 3px; border-radius: var(--dd-radius-sm); }
::selection { background: color-mix(in srgb, var(--dd-accent) 22%, transparent); color: var(--dd-ink); }
hr { border: 0; border-top: 1px solid var(--dd-line); margin: var(--dd-space-6) 0; }
code { font-family: var(--dd-font-mono); font-size: 0.9em; background: var(--dd-bg-sunken); border-radius: 6px; padding: 0.1em 0.4em; }

/* ---------- Type ---------- */
h1, h2, h3, .dd-h1, .dd-h2, .dd-h3, .title { font-family: var(--dd-font-display); font-optical-sizing: auto; color: var(--dd-ink); }
h1, .dd-h1 { font-weight: 600; font-size: var(--dd-fs-800); line-height: 1.04; letter-spacing: -0.025em; margin: 0 0 var(--dd-space-3); text-wrap: balance; }
h2, .dd-h2 { font-weight: 600; font-size: var(--dd-fs-600); line-height: 1.15; letter-spacing: -0.015em; margin: var(--dd-space-8) 0 var(--dd-space-3); text-wrap: balance; }
h3, .dd-h3 { font-weight: 600; font-size: var(--dd-fs-500); line-height: 1.25; letter-spacing: -0.01em; margin: var(--dd-space-5) 0 var(--dd-space-2); }
h1 em, h2 em { font-style: italic; font-weight: 500; background: var(--dd-grad-accent); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: 0.06em; }
.title { font-weight: 600; font-size: var(--dd-fs-500); line-height: 1.25; letter-spacing: -0.01em; }
.dd-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 var(--dd-space-2);
  font-family: var(--dd-font-body); font-size: var(--dd-fs-100); font-weight: 650; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dd-ink-3);
}
.dd-eyebrow .nav-ic { width: 15px; height: 15px; vertical-align: 0; color: var(--dd-accent); }
.lede { font-size: 1.125rem; color: var(--dd-ink-2); line-height: 1.55; margin: 0 0 var(--dd-space-5); max-width: 60ch; text-wrap: pretty; }
.hint { font-size: var(--dd-fs-200); color: var(--dd-ink-3); margin: var(--dd-space-2) 0 0; line-height: 1.5; }
.muted { color: var(--dd-ink-2); font-size: var(--dd-fs-300); }
.faint { color: var(--dd-ink-3); }
.error-text { color: var(--dd-danger); font-weight: 600; }
.center { text-align: center; }
.nums { font-variant-numeric: tabular-nums; }

/* ---------- Icons ---------- */
.nav-ic { width: 20px; height: 20px; flex: none; display: inline-block; vertical-align: -4px; }

/* ---------- Brand mark: the "aha" — a breathing glow, a spark that catches the light ---------- */
.dd-mark { width: 40px; height: 40px; flex: none; overflow: visible; }
.dd-mark .halo, .dd-mark .core, .dd-mark .spark { transform-origin: center; transform-box: fill-box; }
.dd-mark .halo { animation: dd-halo 4.2s ease-in-out infinite; }
.dd-mark .spark { animation: dd-glint 4.2s ease-in-out infinite; stroke: rgb(226 140 40 / 0.45); stroke-width: 1.2; stroke-linejoin: round; paint-order: stroke; filter: drop-shadow(0 0 2px rgb(255 240 210 / 0.9)); }
.dd-mark.still .halo, .dd-mark.still .spark { animation: none; }
@keyframes dd-halo { 0%, 100% { transform: scale(0.9); opacity: 0.75; } 50% { transform: scale(1.06); opacity: 1; } }
@keyframes dd-glint { 0%, 100% { transform: scale(0.86) rotate(0deg); opacity: 0.85; } 45% { transform: scale(1.08) rotate(12deg); opacity: 1; } 55% { transform: scale(1.02) rotate(12deg); } }
@keyframes dd-horizon { 0%, 100% { transform: scale(1); opacity: 0.9; } 50% { transform: scale(1.12); opacity: 1; } }

/* ---------- Layout shell ---------- */
.shell { min-height: 100vh; min-height: 100dvh; position: relative; z-index: 1; }
.shell-grid { display: grid; grid-template-columns: minmax(0, 1fr); }
.content { width: 100%; max-width: var(--dd-content-max); margin: 0 auto; padding: calc(var(--dd-space-6) + env(safe-area-inset-top)) var(--dd-space-5) calc(var(--dd-bottom-nav-h) + var(--dd-space-9) + env(safe-area-inset-bottom)); }
.topbar { display: none; }
@media (min-width: 960px) {
  .shell-grid { grid-template-columns: var(--dd-nav-rail-w) minmax(0, 1fr); max-width: var(--dd-shell-max); margin: 0 auto; }
  .content { padding: var(--dd-space-9) var(--dd-space-8) var(--dd-space-10); max-width: 880px; margin: 0; }
}
/* Page enter: each block rises in, a beat after the one before. */
.content > * { animation: dd-rise var(--dd-dur-4) var(--dd-ease) both; }
.content > *:nth-child(2) { animation-delay: 40ms; } .content > *:nth-child(3) { animation-delay: 80ms; }
.content > *:nth-child(4) { animation-delay: 120ms; } .content > *:nth-child(5) { animation-delay: 160ms; }
.content > *:nth-child(6) { animation-delay: 200ms; } .content > *:nth-child(n+7) { animation-delay: 240ms; }
.content.no-enter > * { animation: none; }
@keyframes dd-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* bottom nav — phone: a floating glass bar */
.bottom-nav {
  position: fixed; left: 12px; right: 12px; bottom: calc(10px + env(safe-area-inset-bottom)); z-index: 30;
  display: flex; justify-content: space-around; gap: 4px; padding: 6px;
  background: color-mix(in srgb, var(--dd-bg-raised) 82%, transparent);
  backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid var(--dd-line); border-radius: 24px; box-shadow: var(--dd-shadow-lg);
}
.bottom-nav a, .bottom-nav button {
  position: relative; flex: 1; max-width: 160px; min-height: 52px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  border-radius: 18px; color: var(--dd-ink-3); font-weight: 600; font-size: 12px; letter-spacing: 0.02em;
  text-decoration: none; transition: color var(--dd-dur-2) var(--dd-ease), background var(--dd-dur-2) var(--dd-ease), transform var(--dd-dur-1) var(--dd-ease);
}
.bottom-nav .nav-ic { width: 22px; height: 22px; transition: transform var(--dd-dur-3) var(--dd-spring); }
.bottom-nav a.on, .bottom-nav button.on { color: var(--dd-accent); background: var(--dd-accent-soft); }
.bottom-nav a.on .nav-ic, .bottom-nav button.on .nav-ic { transform: translateY(-1px) scale(1.1); }
.bottom-nav button:active { transform: scale(0.94); }

/* side nav — desktop */
.nav-rail {
  display: none; flex-direction: column; gap: 2px;
  padding: var(--dd-space-8) var(--dd-space-5) var(--dd-space-6);
  position: sticky; top: 0; height: 100vh;
}
.nav-rail .brand { display: flex; align-items: center; gap: 10px; margin: 0 0 var(--dd-space-8) var(--dd-space-2); text-decoration: none; min-height: 0 !important; padding: 0 !important; background: none !important; box-shadow: none !important; }
.nav-rail .brand span { font-family: var(--dd-font-display); font-weight: 600; font-size: 1.375rem; letter-spacing: -0.02em; color: var(--dd-ink); }
.nav-rail a, .nav-rail button {
  position: relative; display: flex; align-items: center; gap: var(--dd-space-3);
  min-height: 46px; padding: 0 var(--dd-space-4); border-radius: var(--dd-radius-md);
  color: var(--dd-ink-2); font-weight: 550; text-decoration: none;
  transition: background var(--dd-dur-2) var(--dd-ease), color var(--dd-dur-2) var(--dd-ease), transform var(--dd-dur-1) var(--dd-ease);
}
.nav-rail a:hover, .nav-rail button:hover { background: color-mix(in srgb, var(--dd-ink) 5%, transparent); color: var(--dd-ink); }
.nav-rail a.on, .nav-rail button.on { color: var(--dd-ink); background: var(--dd-bg-raised); box-shadow: var(--dd-shadow-sm); font-weight: 650; }
.nav-rail a.on .nav-ic, .nav-rail button.on .nav-ic { color: var(--dd-accent); }
.nav-rail button:active { transform: scale(0.97); }
.nav-rail .nav-ic { width: 20px; height: 20px; flex: none; }
.nav-rail .spacer { flex: 1; }
.nav-rail .rail-card { margin: 0 0 var(--dd-space-5); padding: var(--dd-space-4); border-radius: var(--dd-radius-lg); background: var(--dd-night); color: var(--dd-night-ink); text-decoration: none; display: block; }
.nav-rail .rail-card b { font-family: var(--dd-font-display); font-weight: 600; font-size: 1.375rem; display: block; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.nav-rail .rail-card span { color: var(--dd-night-ink-2); font-size: var(--dd-fs-200); font-weight: 500; }
.nav-rail .rail-card:hover { background: var(--dd-night-2); color: var(--dd-night-ink); }
.nav-rail .foot-links { display: flex; flex-wrap: wrap; gap: var(--dd-space-1) var(--dd-space-3); padding: 0 var(--dd-space-4); font-size: var(--dd-fs-100); }
.nav-rail .foot-links a { color: var(--dd-ink-3); font-weight: 500; min-height: 0; padding: 0; }
.nav-rail .foot-links a:hover { background: none; color: var(--dd-ink); }
@media (min-width: 960px) { .nav-rail { display: flex; } .bottom-nav { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--dd-space-2);
  min-height: 46px; padding: 0 var(--dd-space-5);
  border-radius: var(--dd-radius-md); border: 1px solid var(--dd-line);
  background: var(--dd-bg-raised); color: var(--dd-ink); box-shadow: var(--dd-shadow-xs), var(--dd-highlight);
  font-weight: 600; font-size: var(--dd-fs-300); letter-spacing: -0.005em; text-decoration: none; white-space: nowrap;
  transition: transform var(--dd-dur-1) var(--dd-ease), background var(--dd-dur-2) var(--dd-ease), border-color var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease), color var(--dd-dur-2) var(--dd-ease);
}
.btn:hover { border-color: var(--dd-line-strong); box-shadow: var(--dd-shadow-sm), var(--dd-highlight); }
.btn:active, .btn.is-pressed { transform: scale(0.97); }
.btn .nav-ic { width: 18px; height: 18px; vertical-align: 0; }
.btn.primary {
  background: var(--dd-grad-accent); color: var(--dd-accent-ink); border-color: transparent;
  box-shadow: var(--dd-shadow-glow), inset 0 1px 0 rgb(255 255 255 / 0.22), inset 0 -1px 0 rgb(0 0 0 / 0.12);
}
.btn.primary:hover { box-shadow: 0 14px 34px -10px rgb(75 71 226 / 0.75), inset 0 1px 0 rgb(255 255 255 / 0.28); filter: saturate(1.08) brightness(1.04); }
.btn.primary::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(115deg, transparent 30%, rgb(255 255 255 / 0.28) 50%, transparent 70%); transform: translateX(-120%); }
.btn.primary:hover::before { transform: translateX(120%); transition: transform 900ms var(--dd-ease); }
.btn.ghost { background: transparent; border-color: transparent; box-shadow: none; color: var(--dd-ink-2); }
.btn.ghost:hover { background: color-mix(in srgb, var(--dd-ink) 6%, transparent); color: var(--dd-ink); box-shadow: none; }
.btn.danger { color: var(--dd-danger); }
.btn.danger:hover { background: var(--dd-danger-soft); border-color: transparent; }
.btn.block { width: 100%; }
.btn.lg { min-height: 56px; font-size: var(--dd-fs-400); border-radius: 18px; padding: 0 var(--dd-space-6); }
.btn.sm { min-height: 36px; padding: 0 var(--dd-space-3); font-size: var(--dd-fs-200); border-radius: var(--dd-radius-sm); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; filter: none; box-shadow: none; }
.btn.is-busy { color: transparent !important; pointer-events: none; opacity: 1; }
.btn.is-busy > * { opacity: 0; }
/* Busy: three glowing dots, lit in turn — a thought forming. */
.btn.is-busy::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; border-radius: 50%;
  color: var(--dd-ink-2); background: currentColor; animation: dd-dots 0.9s ease-in-out infinite;
}
.btn.primary.is-busy::after { color: #fff; }
@keyframes dd-dots {
  0%, 100% { box-shadow: -13px 0 0 color-mix(in srgb, currentColor 100%, transparent), 13px 0 0 color-mix(in srgb, currentColor 25%, transparent); opacity: 0.6; }
  33% { box-shadow: -13px 0 0 color-mix(in srgb, currentColor 25%, transparent), 13px 0 0 color-mix(in srgb, currentColor 25%, transparent); opacity: 1; }
  66% { box-shadow: -13px 0 0 color-mix(in srgb, currentColor 25%, transparent), 13px 0 0 color-mix(in srgb, currentColor 100%, transparent); opacity: 0.6; }
}
.btn.is-done { animation: dd-pop var(--dd-dur-3) var(--dd-spring); }
.btn.is-error { animation: dd-shake 380ms var(--dd-ease); border-color: var(--dd-danger); }
@keyframes dd-pop { 0% { transform: scale(0.96); } 60% { transform: scale(1.04); } 100% { transform: scale(1); } }
@keyframes dd-shake { 0%, 100% { transform: none; } 20% { transform: translateX(-6px); } 40% { transform: translateX(5px); } 60% { transform: translateX(-3px); } 80% { transform: translateX(2px); } }
.btn .spin { width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-top-color: transparent; animation: dd-spin 0.7s linear infinite; }
@keyframes dd-spin { to { transform: rotate(360deg); } }
.linkish { position: relative; background: none; border: 0; color: var(--dd-accent); font-weight: 600; min-height: var(--dd-tap-min); padding: 0 2px; display: inline-flex; align-items: center; gap: 4px; }
.linkish:hover { text-decoration: underline; text-underline-offset: 3px; }
.linkish:active { opacity: 0.6; }
.linkish.back { color: var(--dd-ink-2); margin-bottom: var(--dd-space-2); }

/* Tap ripple (added by the app on every press) */
.dd-ripple { position: absolute; border-radius: 50%; pointer-events: none; transform: scale(0); opacity: 0.28; background: currentColor; animation: dd-ripple 600ms var(--dd-ease) forwards; z-index: 0; }
.btn.primary .dd-ripple { background: #fff; }
@keyframes dd-ripple { to { transform: scale(1); opacity: 0; } }

/* ---------- Forms ---------- */
label, .dd-label { display: block; font-size: var(--dd-fs-200); font-weight: 600; color: var(--dd-ink-2); margin: var(--dd-space-5) 0 var(--dd-space-2); }
label:first-child { margin-top: 0; }
input, select, textarea {
  width: 100%; min-height: 48px; padding: 12px var(--dd-space-4);
  border-radius: var(--dd-radius-md); border: 1px solid var(--dd-line);
  background: var(--dd-bg-raised); color: var(--dd-ink); box-shadow: inset 0 1px 2px rgb(var(--dd-shadow-tint) / 0.04);
  transition: border-color var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease), background var(--dd-dur-2) var(--dd-ease);
}
select { -webkit-appearance: none; appearance: none; padding-right: 40px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%23807a8a' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
input::placeholder, textarea::placeholder { color: var(--dd-ink-3); }
input:hover, select:hover, textarea:hover { border-color: var(--dd-line-strong); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: none; border-color: var(--dd-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--dd-accent) 18%, transparent); }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--dd-danger); box-shadow: 0 0 0 4px var(--dd-danger-soft); animation: dd-shake 380ms var(--dd-ease); }
textarea { min-height: 128px; resize: vertical; line-height: 1.55; }
.field-error { color: var(--dd-danger); font-size: var(--dd-fs-200); font-weight: 600; margin: var(--dd-space-2) 0 0; display: flex; gap: 6px; align-items: center; animation: dd-rise var(--dd-dur-2) var(--dd-ease); }
.filters { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--dd-space-3); }
.dd-row { display: flex; flex-wrap: wrap; gap: var(--dd-space-2); margin-top: var(--dd-space-4); align-items: center; }
.switch-row { display: flex; gap: var(--dd-space-4); align-items: flex-start; margin: 0 0 var(--dd-space-5); font-weight: 400; cursor: pointer; color: var(--dd-ink); font-size: var(--dd-fs-400); }
.switch-row b { font-weight: 600; }
/* Checkboxes in switch rows render as switches */
.switch-row input[type="checkbox"] {
  flex: none; width: 46px; min-height: 0; height: 28px; margin: 2px 0 0; padding: 0; border-radius: var(--dd-radius-pill); border: 0;
  -webkit-appearance: none; appearance: none; background: var(--dd-line-strong); position: relative; cursor: pointer; box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.12);
  transition: background var(--dd-dur-2) var(--dd-ease);
}
.switch-row input[type="checkbox"]::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgb(0 0 0 / 0.25); transition: transform var(--dd-dur-3) var(--dd-spring); }
.switch-row input[type="checkbox"]:checked { background: var(--dd-grad-accent); }
.switch-row input[type="checkbox"]:checked::after { transform: translateX(18px); }

/* ---------- Chips / segmented / tabs ---------- */
.chips, .seg, .tabs { display: flex; gap: var(--dd-space-2); overflow-x: auto; padding: 2px 2px var(--dd-space-2); scrollbar-width: none; }
.chips { -webkit-mask: linear-gradient(90deg, #000 85%, transparent); mask: linear-gradient(90deg, #000 85%, transparent); padding-right: 32px; }
.chips::-webkit-scrollbar, .seg::-webkit-scrollbar, .tabs::-webkit-scrollbar { display: none; }
.chips button {
  flex: none; min-height: 38px; padding: 0 var(--dd-space-4); display: inline-flex; align-items: center; gap: 6px;
  border-radius: var(--dd-radius-pill); border: 1px solid var(--dd-line);
  background: var(--dd-bg-raised); white-space: nowrap; font-weight: 550; font-size: var(--dd-fs-300); color: var(--dd-ink-2);
  transition: background var(--dd-dur-2) var(--dd-ease), color var(--dd-dur-2) var(--dd-ease), border-color var(--dd-dur-2) var(--dd-ease), transform var(--dd-dur-1) var(--dd-ease);
}
.chips button .nav-ic { width: 16px; height: 16px; vertical-align: 0; }
.chips button:hover { border-color: var(--dd-line-strong); color: var(--dd-ink); }
.chips button:active { transform: scale(0.95); }
.chips button.on { background: var(--dd-ink); color: var(--dd-bg); border-color: var(--dd-ink); }
.chips button.on .faint { color: inherit; opacity: 0.7; }
.chips button.on span[style] { color: inherit !important; }
/* Segmented control: a sunken track with a raised thumb */
.seg { display: inline-flex; gap: 2px; padding: 4px; background: var(--dd-bg-sunken); border-radius: var(--dd-radius-md); border: 1px solid var(--dd-line); max-width: 100%; }
.seg button { flex: 1 0 auto; min-height: 36px; padding: 0 var(--dd-space-4); border-radius: 10px; font-weight: 550; font-size: var(--dd-fs-300); color: var(--dd-ink-2); white-space: nowrap; transition: background var(--dd-dur-2) var(--dd-ease), color var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease), transform var(--dd-dur-1) var(--dd-ease); }
.seg button:hover { color: var(--dd-ink); }
.seg button:active { transform: scale(0.96); }
.seg button.on { background: var(--dd-bg-raised); color: var(--dd-ink); box-shadow: var(--dd-shadow-sm); font-weight: 650; }
.tabs { border-bottom: 1px solid var(--dd-line); gap: var(--dd-space-5); }
.tabs button { flex: none; min-height: 44px; padding: 0 0 var(--dd-space-2); border-bottom: 2px solid transparent; font-weight: 600; color: var(--dd-ink-2); border-radius: 0; }
.tabs button.on { color: var(--dd-ink); border-color: var(--dd-accent); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px; margin-left: var(--dd-space-2);
  font-family: var(--dd-font-body); font-size: 12px; font-weight: 650; letter-spacing: 0.02em; padding: 3px 9px;
  border-radius: var(--dd-radius-pill); background: var(--dd-accent-soft); color: var(--dd-accent); vertical-align: 3px; white-space: nowrap;
}
.badge.amber { background: var(--dd-amber-soft); color: var(--dd-amber); }
.badge.ok { background: var(--dd-ok-soft); color: var(--dd-ok); }

/* ---------- Cards ---------- */
.card {
  position: relative; background: var(--dd-bg-raised); border: 1px solid var(--dd-line);
  border-radius: var(--dd-radius-lg); padding: var(--dd-space-6);
  margin: var(--dd-space-4) 0; box-shadow: var(--dd-shadow-sm), var(--dd-highlight);
}
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.card h2 { font-size: 1.375rem; margin: var(--dd-space-1) 0 var(--dd-space-2); }
.card > .muted { margin: 0 0 var(--dd-space-2); }

.topic-card {
  position: relative; display: flex; flex-direction: column; gap: 6px; width: 100%; text-align: left; text-decoration: none; overflow: hidden;
  background: var(--dd-bg-raised); border: 1px solid var(--dd-line);
  border-radius: var(--dd-radius-lg); padding: var(--dd-space-5) var(--dd-space-5) var(--dd-space-3) calc(var(--dd-space-5) + 4px);
  margin: var(--dd-space-3) 0; box-shadow: var(--dd-shadow-sm), var(--dd-highlight); color: inherit;
  transition: transform var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease), border-color var(--dd-dur-2) var(--dd-ease);
}
.topic-card::before { content: ""; position: absolute; left: 0; top: 20px; bottom: 20px; width: 3px; border-radius: 0 3px 3px 0; background: var(--cat, var(--dd-accent)); }
.topic-card:hover { border-color: var(--dd-line-strong); box-shadow: var(--dd-shadow-md), var(--dd-highlight); transform: translateY(-3px); }
.topic-card:active { transform: scale(0.985); }
.topic-card .title { font-size: 1.25rem; display: flex; align-items: flex-start; gap: 6px; justify-content: space-between; }
.topic-card .meta { color: var(--dd-ink-3); font-size: var(--dd-fs-200); display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; }
.topic-card .meta .cat-dot { display: inline-flex; align-items: center; gap: 6px; color: var(--cat, var(--dd-accent)); font-weight: 600; }
.topic-card .meta .cat-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.lib-card { display: flex; flex-direction: column; gap: var(--dd-space-2); cursor: pointer; transition: transform var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease), border-color var(--dd-dur-2) var(--dd-ease); }
.lib-card:hover { border-color: var(--dd-line-strong); box-shadow: var(--dd-shadow-md), var(--dd-highlight); transform: translateY(-3px); }
.lib-card:active { transform: scale(0.985); }
.lib-card .cat { color: var(--dd-ink-3); font-size: var(--dd-fs-100); font-weight: 650; text-transform: uppercase; letter-spacing: 0.12em; }
.lib-card .why { color: var(--dd-ink-2); margin: 0; font-size: var(--dd-fs-300); }
.lib-card > .btn { margin-top: auto; align-self: flex-start; }
.lib-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--dd-space-2); margin-top: auto; padding-top: var(--dd-space-3); }
.lib-actions .btn { min-height: 40px; }
/* Talk now on a card: a calm, solid accent button (the gradient stays for one action per screen). */
.btn.talk { background: var(--dd-accent-soft); color: var(--dd-accent); border-color: color-mix(in srgb, var(--dd-accent) 28%, transparent); }
.btn.talk:hover { background: color-mix(in srgb, var(--dd-accent) 18%, var(--dd-bg-raised)); border-color: color-mix(in srgb, var(--dd-accent) 45%, transparent); }
.btn .nav-ic { width: 18px; height: 18px; }
/* Recommendation feedback: two clear, separated pill buttons. */
.reco-feedback { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--dd-space-4); padding-top: var(--dd-space-3); border-top: 1px solid var(--dd-line); }
.fb-btn { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 12px; border-radius: 999px; white-space: nowrap; border: 1px solid var(--dd-line-strong); background: var(--dd-bg-raised); color: var(--dd-ink-2); font: inherit; font-size: var(--dd-fs-200); font-weight: 600; cursor: pointer; transition: background var(--dd-dur-1) var(--dd-ease), color var(--dd-dur-1) var(--dd-ease), border-color var(--dd-dur-1) var(--dd-ease), transform var(--dd-dur-1) var(--dd-ease); }
.fb-btn .nav-ic { width: 16px; height: 16px; }
.fb-btn:hover { color: var(--dd-ink); border-color: var(--dd-ink-3); background: var(--dd-bg-sunken); }
.fb-btn:active { transform: scale(0.97); }
.fb-btn:focus-visible { outline: 2px solid var(--dd-accent); outline-offset: 2px; }
.lib-card.featured {

  border-color: transparent; color: var(--dd-night-ink); overflow: hidden;
  background: radial-gradient(120% 90% at 100% 0%, rgb(133 80 220 / 0.55), transparent 55%), radial-gradient(90% 80% at 0% 100%, rgb(242 169 59 / 0.28), transparent 60%), var(--dd-night);
  box-shadow: var(--dd-shadow-lg);
}
.lib-card.featured .title { color: var(--dd-night-ink); font-size: 1.5rem; }
.lib-card.featured .why, .lib-card.featured .cat, .lib-card.featured .dd-eyebrow { color: var(--dd-night-ink-2); }
.lib-card.featured .dd-eyebrow .nav-ic { color: var(--dd-glow); }
.lib-card.featured .btn.ghost { color: var(--dd-night-ink); }
.lib-card.featured .btn.ghost:hover { background: rgb(255 255 255 / 0.1); }
.lib-card.featured .badge { background: rgb(255 255 255 / 0.12); color: var(--dd-night-ink); }
.lib-card.featured .btn:not(.primary):not(.ghost) { background: rgb(255 255 255 / 0.1); color: var(--dd-night-ink); border-color: rgb(255 255 255 / 0.18); box-shadow: none; }
/* ---------- For you (personalized recommendations) ---------- */
.reco-row { margin: var(--dd-space-6) 0 var(--dd-space-2); }
.reco-head h2 { margin: 0 0 4px; }
.reco-head p { margin: 0 0 var(--dd-space-4); font-size: var(--dd-fs-300); }
.reco-scroll { display: grid; grid-auto-flow: column; grid-auto-columns: 86%; gap: var(--dd-space-4); overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 2px var(--dd-space-4); margin: 0 -2px; scrollbar-width: none; }
.reco-scroll::-webkit-scrollbar { display: none; }
@media (min-width: 720px) { .reco-scroll { grid-auto-columns: minmax(260px, 1fr); grid-auto-flow: row; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); overflow: visible; } }
.reco-card { scroll-snap-align: start; cursor: pointer; margin: 0; display: flex; flex-direction: column; position: relative; overflow: visible; }
.reco-card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: radial-gradient(120% 70% at 0% 0%, color-mix(in srgb, var(--dd-glow) 14%, transparent), transparent 60%); }
.reco-card .why { flex: 1; }
.reco-reason { color: var(--dd-amber); font-size: var(--dd-fs-200); font-weight: 650; margin: var(--dd-space-3) 0 2px; letter-spacing: .01em; }

.cat-badge { width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex: none; }
.cat-badge .nav-ic { width: 19px; height: 19px; vertical-align: 0; }

.session-card { border-top: 1px solid var(--dd-line); padding-top: var(--dd-space-5); margin-top: var(--dd-space-5); }
.session-card:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.session-card .meta { color: var(--dd-ink-3); font-size: var(--dd-fs-200); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.session-card b { display: block; margin-top: var(--dd-space-4); font-size: var(--dd-fs-100); text-transform: uppercase; letter-spacing: 0.12em; color: var(--dd-ink-3); font-weight: 650; }
.session-card p { white-space: pre-wrap; margin: var(--dd-space-1) 0 0; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--dd-space-4); }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--dd-space-4); }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr 1fr; } }
.grid-2 > .topic-card, .grid-3 > .topic-card, .grid-2 > .card, .grid-3 > .card { margin: 0; height: 100%; }
.grid-2 > *, .grid-3 > * { animation: dd-rise var(--dd-dur-4) var(--dd-ease) both; }
.grid-2 > *:nth-child(2), .grid-3 > *:nth-child(2) { animation-delay: 50ms; }
.grid-2 > *:nth-child(3), .grid-3 > *:nth-child(3) { animation-delay: 100ms; }
.grid-2 > *:nth-child(4), .grid-3 > *:nth-child(4) { animation-delay: 150ms; }
.grid-2 > *:nth-child(n+5), .grid-3 > *:nth-child(n+5) { animation-delay: 200ms; }
.no-enter .grid-2 > *, .no-enter .grid-3 > * { animation: none; }

/* ---------- Rating control ---------- */
.stars { display: flex; gap: 0; margin: 0 0 0 -8px; }
.stars button {
  min-width: 40px; min-height: 40px; border: 0; background: transparent;
  font-size: 21px; line-height: 1; color: var(--dd-line-strong); padding: 0;
  transition: transform var(--dd-dur-3) var(--dd-spring), color var(--dd-dur-2) var(--dd-ease);
}
.stars button.on { color: var(--dd-glow); text-shadow: 0 0 12px rgb(242 169 59 / 0.35); }
.stars button:hover { transform: scale(1.18) rotate(-6deg); }
.stars button:active { transform: scale(0.85); }
.stars.readonly button { pointer-events: none; }

/* ---------- Prompt block ---------- */
.prompt-block { margin: var(--dd-space-4) 0 0; display: grid; gap: var(--dd-space-3); }
.prompt {
  white-space: pre-wrap; background: var(--dd-bg-sunken); border: 1px solid var(--dd-line);
  border-radius: var(--dd-radius-md); padding: var(--dd-space-4) var(--dd-space-5); font-size: var(--dd-fs-300); color: var(--dd-ink-2);
  max-height: 240px; overflow: auto; line-height: 1.6;
}
details > summary { min-height: var(--dd-tap-min); display: flex; align-items: center; gap: var(--dd-space-2); font-weight: 600; cursor: pointer; list-style: none; color: var(--dd-ink-2); }
details > summary:hover { color: var(--dd-ink); }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: ""; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(-45deg); transition: transform var(--dd-dur-2) var(--dd-ease); margin: 0 4px 0 2px; }
details[open] > summary::before { transform: rotate(45deg); }
details[open] > *:not(summary) { animation: dd-rise var(--dd-dur-3) var(--dd-ease); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(var(--dd-bottom-nav-h) + 28px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(16px) scale(0.96);
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--dd-night); color: var(--dd-night-ink); padding: 12px 18px 12px 14px;
  border-radius: var(--dd-radius-pill); font-weight: 550; font-size: var(--dd-fs-300); box-shadow: 0 18px 44px -12px rgb(0 0 0 / 0.5), 0 0 0 1px rgb(255 255 255 / 0.06);
  opacity: 0; pointer-events: none; transition: opacity var(--dd-dur-2) var(--dd-ease), transform var(--dd-dur-3) var(--dd-spring);
  max-width: calc(100% - 32px); z-index: 90;
}
.toast::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--dd-glow); box-shadow: 0 0 10px var(--dd-glow); }
.toast.ok::before { background: #6fd3a2; box-shadow: 0 0 10px #6fd3a2; }
.toast.error::before { background: #ff8f86; box-shadow: 0 0 10px #ff8f86; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
@media (min-width: 960px) { .toast { bottom: 32px; } }

/* ---------- Empty, error and offline states ---------- */
.empty, .state {
  text-align: center; padding: var(--dd-space-8) var(--dd-space-5); color: var(--dd-ink-2);
  border: 1px dashed var(--dd-line-strong); border-radius: var(--dd-radius-lg); margin: var(--dd-space-4) 0;
}
.empty .ic, .state .ic { display: block; width: 76px; height: 76px; margin: 0 auto var(--dd-space-4); }
.state-glow .dd-mark { width: 76px; height: 76px; }
.state-glow.err .dd-mark { filter: grayscale(0.6) hue-rotate(-30deg) saturate(1.6); opacity: 0.85; }
.empty p, .state p { margin: 0 auto; max-width: 44ch; }
.state h2, .state h3 { margin: 0 0 var(--dd-space-2); }
.state .btn { margin-top: var(--dd-space-5); }
.net-banner {
  position: fixed; top: calc(10px + env(safe-area-inset-top)); left: 50%; transform: translate(-50%, -160%); z-index: 95;
  display: flex; align-items: center; gap: 10px; padding: 9px 16px; border-radius: var(--dd-radius-pill);
  background: var(--dd-night); color: var(--dd-night-ink); font-size: var(--dd-fs-200); font-weight: 600; box-shadow: var(--dd-shadow-lg); white-space: nowrap;
  transition: transform var(--dd-dur-3) var(--dd-spring);
}
.net-banner.show { transform: translate(-50%, 0); }
.net-banner::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #ff8f86; animation: dd-horizon 1.6s ease-in-out infinite; }

/* ---------- Skeleton ---------- */
.skeleton { background: linear-gradient(100deg, var(--dd-bg-sunken) 30%, color-mix(in srgb, var(--dd-bg-raised) 70%, var(--dd-line)) 50%, var(--dd-bg-sunken) 70%); background-size: 200% 100%; animation: dd-shimmer 1.4s ease-in-out infinite; border-radius: var(--dd-radius-md); }
@keyframes dd-shimmer { to { background-position: -200% 0; } }
.skeleton.line { height: 14px; margin: 10px 0; }
.skeleton.card { height: 112px; border-radius: var(--dd-radius-lg); border: 0; box-shadow: none; }

/* ---------- Sheet / dialog ---------- */
.scrim { position: fixed; inset: 0; background: rgb(8 9 18 / 0.45); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); z-index: 40; opacity: 0; visibility: hidden; transition: opacity var(--dd-dur-3) var(--dd-ease), visibility 0s linear var(--dd-dur-3); }
.scrim.show { opacity: 1; visibility: visible; transition: opacity var(--dd-dur-3) var(--dd-ease); }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 41;
  background: var(--dd-bg-raised); border-top: 1px solid var(--dd-line);
  border-radius: var(--dd-radius-xl) var(--dd-radius-xl) 0 0; box-shadow: var(--dd-shadow-lg);
  padding: var(--dd-space-3) var(--dd-space-6) calc(var(--dd-space-7) + env(safe-area-inset-bottom));
  max-height: 88vh; overflow: auto; overscroll-behavior: contain;
  transform: translateY(100%); visibility: hidden;
  transition: transform var(--dd-dur-4) var(--dd-ease), visibility 0s linear var(--dd-dur-4);
}
.sheet.show { transform: translateY(0); visibility: visible; transition: transform var(--dd-dur-4) var(--dd-ease); }
.sheet .grabber { width: 40px; height: 5px; border-radius: var(--dd-radius-pill); background: var(--dd-line-strong); margin: var(--dd-space-2) auto var(--dd-space-5); }
.sheet h2 { margin-top: 4px; }
@media (min-width: 640px) {
  .sheet { left: 50%; right: auto; bottom: auto; top: 50%; width: min(540px, calc(100vw - 48px)); border-radius: var(--dd-radius-xl); transform: translate(-50%, -46%) scale(0.97); opacity: 0; border: 1px solid var(--dd-line); }
  .sheet.show { transform: translate(-50%, -50%) scale(1); opacity: 1; transition: transform var(--dd-dur-3) var(--dd-spring), opacity var(--dd-dur-2) var(--dd-ease); }
  .sheet .grabber { display: none; }
}

/* ---------- Landing ---------- */
.auth-shell { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: var(--dd-space-5); }
.landing { position: relative; z-index: 1; }
.hero {
  position: relative; overflow: hidden; color: var(--dd-night-ink); text-align: center;
  background: radial-gradient(80% 60% at 50% 100%, rgb(100 71 227 / 0.38), transparent 70%), linear-gradient(180deg, #070912 0%, var(--dd-night) 50%, #19153a 100%);
  padding: calc(var(--dd-space-6) + env(safe-area-inset-top)) var(--dd-space-5) 0;
  border-radius: 0 0 var(--dd-radius-xl) var(--dd-radius-xl);
}
.hero .top { display: flex; align-items: center; justify-content: space-between; max-width: 1080px; margin: 0 auto var(--dd-space-9); }
.hero .top .wordmark { display: flex; align-items: center; gap: 10px; font-family: var(--dd-font-display); font-weight: 600; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--dd-night-ink); }
.hero .top a { color: var(--dd-night-ink-2); font-weight: 550; text-decoration: none; font-size: var(--dd-fs-300); }
.hero .top a:hover { color: #fff; }
.hero .eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: var(--dd-radius-pill); background: rgb(255 255 255 / 0.07); border: 1px solid rgb(255 255 255 / 0.12); color: var(--dd-night-ink-2); font-size: var(--dd-fs-200); font-weight: 550; margin-bottom: var(--dd-space-5); }
.hero .eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--dd-glow); box-shadow: 0 0 10px var(--dd-glow); animation: dd-horizon 2.4s ease-in-out infinite; }
.hero h1 { font-size: var(--dd-fs-900); color: var(--dd-night-ink); max-width: 13ch; margin: 0 auto var(--dd-space-5); font-weight: 500; letter-spacing: -0.035em; line-height: 1; }
.hero h1 em { background: linear-gradient(120deg, #ffd08a, #f2a93b 40%, #c89bff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { color: var(--dd-night-ink-2); max-width: 44ch; margin: 0 auto var(--dd-space-7); font-size: 1.1875rem; }
.hero .cta { display: flex; flex-wrap: wrap; gap: var(--dd-space-3); justify-content: center; margin-bottom: var(--dd-space-6); }
.hero .cta .btn:not(.primary) { background: rgb(255 255 255 / 0.08); color: var(--dd-night-ink); border-color: rgb(255 255 255 / 0.16); box-shadow: none; }
.hero .cta .btn:not(.primary):hover { background: rgb(255 255 255 / 0.14); }
/* The aha: a slow aurora of warm and violet light around a spark. */
.hero .aha { position: relative; height: 300px; margin: 0 auto; max-width: 900px; }
.hero .aha span { position: absolute; left: 50%; top: 55%; border-radius: 50%; filter: blur(46px); mix-blend-mode: screen; opacity: 0.9; }
.hero .aha .g1 { width: 300px; height: 300px; margin: -150px 0 0 -150px; background: radial-gradient(circle, #ffcf86, rgb(242 169 59 / 0.6) 45%, transparent 70%); animation: dd-aurora1 9s ease-in-out infinite; }
.hero .aha .g2 { width: 380px; height: 260px; margin: -130px 0 0 -250px; background: radial-gradient(circle, rgb(138 92 240 / 0.85), transparent 68%); animation: dd-aurora2 11s ease-in-out infinite; }
.hero .aha .g3 { width: 340px; height: 240px; margin: -120px 0 0 -60px; background: radial-gradient(circle, rgb(75 71 226 / 0.75), transparent 68%); animation: dd-aurora3 13s ease-in-out infinite; }
.hero .aha .hero-mark { position: absolute; left: 50%; top: 55%; width: 168px; height: 168px; margin: -84px 0 0 -84px; filter: drop-shadow(0 0 30px rgb(255 214 150 / 0.55)); }
@keyframes dd-aurora1 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(14px, -12px) scale(1.08); } }
@keyframes dd-aurora2 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40px, 10px) scale(1.12); } }
@keyframes dd-aurora3 { 0%, 100% { transform: translate(0, 0) scale(1.05); } 50% { transform: translate(-36px, -8px) scale(0.95); } }
.hero .mark, .auth-card .logo { width: 56px; height: 56px; border-radius: var(--dd-radius-md); margin: 0 auto var(--dd-space-4); }


.feature-row { display: grid; grid-template-columns: 1fr; gap: var(--dd-space-4); max-width: 1080px; margin: 0 auto; padding: 0 var(--dd-space-5); }
.feature { display: flex; gap: var(--dd-space-4); align-items: flex-start; background: var(--dd-bg-raised); border: 1px solid var(--dd-line); border-radius: var(--dd-radius-lg); padding: var(--dd-space-5); box-shadow: var(--dd-shadow-sm), var(--dd-highlight); }
.feature .nav-ic { width: 20px; height: 20px; color: var(--dd-accent); vertical-align: 0; }
.feature .ic-chip { width: 44px; height: 44px; border-radius: 14px; flex: none; display: flex; align-items: center; justify-content: center; background: var(--dd-accent-soft); }
.feature b { display: block; font-family: var(--dd-font-display); font-weight: 600; font-size: 1.1875rem; letter-spacing: -0.01em; margin-bottom: 4px; }
.feature span { color: var(--dd-ink-2); font-size: var(--dd-fs-300); }
@media (min-width: 760px) { .feature-row { grid-template-columns: repeat(3, 1fr); } .feature { flex-direction: column; } }
.section-head { max-width: 1080px; margin: var(--dd-space-10) auto var(--dd-space-6); padding: 0 var(--dd-space-5); text-align: center; }
.section-head h2 { font-size: var(--dd-fs-800); margin: 0 0 var(--dd-space-3); }
.section-head p { color: var(--dd-ink-2); max-width: 52ch; margin: 0 auto; }
.char-row { display: grid; grid-template-columns: 1fr; gap: var(--dd-space-4); max-width: 1080px; margin: 0 auto; padding: 0 var(--dd-space-5); }
.char-row .char-card { cursor: default; }
@media (min-width: 760px) { .char-row { grid-template-columns: repeat(3, 1fr); } .char-row .char-card { flex-direction: column; align-items: flex-start; } }
.auth-card { width: min(460px, calc(100% - 40px)); margin: var(--dd-space-10) auto var(--dd-space-8); padding: var(--dd-space-7); }
.auth-card h2 { text-align: center; margin: 0 0 var(--dd-space-2); }
.auth-card .sub { text-align: center; color: var(--dd-ink-2); margin: 0 0 var(--dd-space-5); }
.auth-card .or { display: flex; align-items: center; gap: 12px; color: var(--dd-ink-3); font-size: var(--dd-fs-200); margin: var(--dd-space-5) 0 var(--dd-space-2); }
.auth-card .or::before, .auth-card .or::after { content: ""; flex: 1; height: 1px; background: var(--dd-line); }
.legal-links { text-align: center; margin: var(--dd-space-5) 0 0; display: flex; justify-content: center; flex-wrap: wrap; gap: var(--dd-space-4); font-size: var(--dd-fs-200); }
.legal-links a { color: var(--dd-ink-3); font-weight: 500; }
.site-foot { max-width: 1080px; margin: 0 auto; padding: var(--dd-space-7) var(--dd-space-5) calc(var(--dd-space-8) + env(safe-area-inset-bottom)); border-top: 1px solid var(--dd-line); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--dd-space-4); color: var(--dd-ink-3); font-size: var(--dd-fs-200); }
.site-foot nav { display: flex; gap: var(--dd-space-4); flex-wrap: wrap; }
.site-foot a { color: var(--dd-ink-3); font-weight: 500; }

/* ---------- Page heads ---------- */
.page-head { margin: 0 0 var(--dd-space-6); }
.page-head h1 { margin-bottom: var(--dd-space-2); }
.page-head .lede { margin-bottom: 0; }
.page-head .row { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--dd-space-3); flex-wrap: wrap; }
.greet { color: var(--dd-ink-3); font-weight: 550; font-size: var(--dd-fs-300); margin: 0 0 var(--dd-space-1); }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: var(--dd-space-3); margin: var(--dd-space-9) 0 var(--dd-space-4); }
.section-title h2 { margin: 0; }
.section-title .count { color: var(--dd-ink-3); font-size: var(--dd-fs-300); font-variant-numeric: tabular-nums; }
.action-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--dd-space-3); margin-top: var(--dd-space-4); }
.action-tile { position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; min-height: 108px; padding: var(--dd-space-4); text-align: left; border-radius: var(--dd-radius-lg); border: 1px solid var(--dd-line); background: var(--dd-bg-raised); box-shadow: var(--dd-shadow-sm), var(--dd-highlight); color: var(--dd-ink); font-weight: 600; transition: transform var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease); }
.action-tile:hover { transform: translateY(-2px); box-shadow: var(--dd-shadow-md), var(--dd-highlight); }
.action-tile:active { transform: scale(0.97); }
.action-tile .ic-chip { width: 38px; height: 38px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: var(--dd-accent-soft); color: var(--dd-accent); }
.action-tile small { display: block; color: var(--dd-ink-3); font-weight: 500; font-size: var(--dd-fs-200); line-height: 1.4; }
.action-tile.pick { grid-column: 1 / -1; min-height: 0; flex-direction: row; align-items: center; gap: 14px; padding: var(--dd-space-4) var(--dd-space-5); background: var(--dd-night); color: var(--dd-night-ink); border-color: transparent; }
.action-tile.pick .ic-chip { background: rgb(242 169 59 / 0.16); color: var(--dd-glow); }
.action-tile.pick small { color: var(--dd-night-ink-2); }
.action-tile.pick .arrow { margin-left: auto; opacity: 0.6; transition: transform var(--dd-dur-2) var(--dd-ease); }
.action-tile.pick:hover .arrow { transform: translateX(4px); opacity: 1; }
.action-tile.pick.quiet { background: var(--dd-bg-raised); color: var(--dd-ink); border-color: var(--dd-line); }
.action-tile.pick.quiet .ic-chip { background: var(--dd-amber-soft); color: var(--dd-amber); }
.action-tile.pick.quiet small { color: var(--dd-ink-3); }

/* Detail hero */
.detail-hero { padding: var(--dd-space-6); }
.detail-hero h1 { font-size: clamp(1.875rem, 1.4rem + 2vw, 2.5rem); margin: var(--dd-space-3) 0 var(--dd-space-3); }
.detail-hero .why { color: var(--dd-ink-2); font-size: 1.0625rem; margin: 0 0 var(--dd-space-3); }
.meta-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.meta-chips span { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: var(--dd-radius-pill); background: var(--dd-bg-sunken); color: var(--dd-ink-2); font-size: var(--dd-fs-200); font-weight: 550; }
.meta-chips .cat-chip { background: var(--cat-soft, var(--dd-accent-soft)); color: var(--cat, var(--dd-accent)); }
.meta-chips .cat-chip .nav-ic { width: 14px; height: 14px; vertical-align: 0; }
.detail-hero .row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--dd-space-3); margin-top: var(--dd-space-4); padding-top: var(--dd-space-4); border-top: 1px solid var(--dd-line); }

/* ---------- Doc pages (legal/developers/help) ---------- */
.doc-wrap { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: calc(var(--dd-space-8) + env(safe-area-inset-top)) var(--dd-space-5) var(--dd-space-10); }
.doc-wrap h1 { font-size: var(--dd-fs-800); margin-top: var(--dd-space-6); }
.doc-wrap .card { padding: var(--dd-space-7); }
@media (max-width: 640px) { .doc-wrap .card { padding: var(--dd-space-5); } .doc-wrap .card ul { padding-left: 1.1em; } .card { padding: var(--dd-space-5); } }
.doc-wrap .card h2 { font-size: 1.375rem; margin: var(--dd-space-7) 0 var(--dd-space-2); }
.doc-wrap .card h2:first-child { margin-top: 0; }
.doc-wrap .card p, .doc-wrap .card li { color: var(--dd-ink-2); }
.doc-wrap .card b { color: var(--dd-ink); }
.doc-wrap pre { white-space: pre-wrap; font-family: var(--dd-font-mono); font-size: var(--dd-fs-200); background: var(--dd-bg-sunken); border: 1px solid var(--dd-line); border-radius: var(--dd-radius-md); padding: var(--dd-space-4); }
.doc-wrap code { font-family: var(--dd-font-mono); background: var(--dd-bg-sunken); border-radius: 6px; padding: 0.1em 0.4em; font-size: 0.9em; }
.doc-wrap .back { display: inline-flex; align-items: center; gap: 10px; color: var(--dd-ink); font-family: var(--dd-font-display); font-weight: 600; font-size: 1.125rem; text-decoration: none; letter-spacing: -0.01em; }
.doc-wrap .back:hover { color: var(--dd-accent); }
.doc-wrap .date { color: var(--dd-ink-3); font-size: var(--dd-fs-200); margin: 0 0 var(--dd-space-6); }
.doc-wrap table.retention { width: 100%; border-collapse: collapse; margin: var(--dd-space-3) 0; font-size: var(--dd-fs-300); }
.doc-wrap table.retention th, .doc-wrap table.retention td { text-align: left; padding: var(--dd-space-3) var(--dd-space-2); border-bottom: 1px solid var(--dd-line); vertical-align: top; }
.doc-wrap table.retention th { color: var(--dd-ink-3); font-size: var(--dd-fs-100); text-transform: uppercase; letter-spacing: 0.1em; }

/* ---------- Characters ---------- */
.char-nova  { --c1: #ffc874; --c2: #f2a93b; --c3: #e0674a; --c-ink: #3a1d06; }
.char-atlas { --c1: #9fb2ff; --c2: #5b6cff; --c3: #2f3bb8; --c-ink: #0b1040; }
.char-juno  { --c1: #f3b4ff; --c2: #c56cf0; --c3: #6a4be6; --c-ink: #2a0b3d; }
.char-av { position: relative; display: block; width: 56px; height: 56px; flex: none; border-radius: 50%; background: radial-gradient(circle at 32% 28%, var(--c1), var(--c2) 55%, var(--c3)); box-shadow: 0 8px 20px -8px var(--c3), inset 0 -4px 10px rgb(0 0 0 / 0.18), inset 0 2px 4px rgb(255 255 255 / 0.4); }
.char-av svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.char-av .eye { fill: var(--c-ink); transform-origin: center; transform-box: fill-box; animation: dd-blink 5.2s infinite; }
.char-atlas .eye { animation-delay: -1.7s; }
.char-juno .eye { animation-delay: -3.1s; }
.char-av .mouth { fill: none; stroke: var(--c-ink); stroke-width: 2.6; stroke-linecap: round; }
.char-av .spark { fill: #fff; opacity: 0.9; }
@keyframes dd-blink { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(0.1); } }
.char-grid { display: grid; gap: var(--dd-space-3); margin: var(--dd-space-4) 0; }
.char-card {
  position: relative; display: flex; gap: var(--dd-space-4); align-items: center; text-align: left; width: 100%;
  padding: var(--dd-space-4); border-radius: var(--dd-radius-lg); border: 1.5px solid var(--dd-line); background: var(--dd-bg-raised); color: var(--dd-ink);
  transition: border-color var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease), transform var(--dd-dur-1) var(--dd-ease), background var(--dd-dur-2) var(--dd-ease);
}
button.char-card:hover { border-color: var(--dd-line-strong); }
button.char-card:active { transform: scale(0.98); }
.char-card[aria-checked="true"] { border-color: var(--c2); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c2) 20%, transparent), var(--dd-shadow-sm); background: color-mix(in srgb, var(--c2) 6%, var(--dd-bg-raised)); }
.char-card[aria-checked="true"] .char-av { animation: dd-pop var(--dd-dur-3) var(--dd-spring); }
.char-card .who b { font-family: var(--dd-font-display); font-size: 1.25rem; font-weight: 600; display: block; letter-spacing: -0.01em; }
.char-card .who em { font-style: normal; color: color-mix(in srgb, var(--c3) 75%, var(--dd-ink)); font-weight: 600; font-size: var(--dd-fs-200); }
.char-card .who small { display: block; color: var(--dd-ink-2); font-size: var(--dd-fs-200); margin-top: 2px; line-height: 1.45; }
.char-card .who .voice { display: block; color: var(--dd-ink-3); font-size: var(--dd-fs-100); margin-top: 6px; letter-spacing: 0.02em; }
.char-card .check { position: absolute; top: 12px; right: 12px; width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--dd-line-strong); display: grid; place-items: center; }
.char-card[aria-checked="true"] .check { background: var(--c2); border-color: var(--c2); }
.char-card[aria-checked="true"] .check::after { content: ""; width: 9px; height: 5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg) translate(1px, -1px); }
.char-inline { display: inline-flex; align-items: center; gap: 10px; }
.char-inline .char-av { width: 36px; height: 36px; }

/* ---------- Voice session: an immersive night cockpit ---------- */
body.voice-open { overflow: hidden; }
/* ---------- Text chat ---------- */
.voice-entry .btn.block + .btn.block { margin-top: 10px; }
body.chat-open { overflow: hidden; }
.chat-view { position: fixed; inset: 0; z-index: 60; display: flex; flex-direction: column; background: var(--dd-bg); --c1: #ffc874; --c2: #f2a93b; --c3: #e0674a; --c-ink: #2a1a0c; animation: dd-rise var(--dd-dur-3) var(--dd-ease) both; }
.chat-view.char-atlas { --c1: #9fb2ff; --c2: #5b6cff; --c3: #2f3bb8; --c-ink: #0d1240; }
.chat-view.char-juno { --c1: #f3b4ff; --c2: #c56cf0; --c3: #6a4be6; --c-ink: #250b3d; }
.chat-view[hidden] { display: none; }
.chat-view::before { content: ""; position: absolute; inset: 0 0 auto; height: 180px; pointer-events: none; background: radial-gradient(70% 100% at 50% 0%, color-mix(in srgb, var(--c2) 16%, transparent), transparent 70%); }
.chat-top { position: relative; display: flex; align-items: center; gap: var(--dd-space-3); padding: max(12px, env(safe-area-inset-top)) var(--dd-space-4) 12px; border-bottom: 1px solid var(--dd-line); background: color-mix(in srgb, var(--dd-bg) 82%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.chat-back { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 0; background: transparent; color: var(--dd-ink); cursor: pointer; flex: none; }
.chat-back:hover { background: var(--dd-bg-sunken); }
.chat-back svg { width: 20px; height: 20px; }
.chat-who { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.chat-who .char-av { width: 36px; height: 36px; }
.chat-who b { display: block; font-family: var(--dd-font-display); font-weight: 600; font-size: 1.05rem; line-height: 1.2; }
.chat-who small { display: block; color: var(--dd-ink-3); font-size: var(--dd-fs-200); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-who > span { min-width: 0; }
.chat-top, .chat-compose, .chat-note { flex: none; }
.chat-log { position: relative; flex: 1 1 auto; min-height: 0; overscroll-behavior: contain; overflow-y: auto; padding: var(--dd-space-5) var(--dd-space-4) var(--dd-space-4); display: flex; flex-direction: column; gap: var(--dd-space-3); scroll-behavior: smooth; }
.chat-log > * { width: 100%; max-width: 720px; margin-inline: auto; }
.msg { display: flex; align-items: flex-end; gap: 8px; animation: dd-rise var(--dd-dur-2) var(--dd-ease) both; }
.msg .char-av { width: 28px; height: 28px; box-shadow: none; }
.msg .bubble { max-width: min(82%, 560px); padding: 11px 15px; border-radius: 20px; font-size: var(--dd-fs-400); line-height: 1.55; overflow-wrap: anywhere; }
.msg .bubble p { margin: 0; }
.msg .bubble p + p { margin-top: 0.6em; }
.msg.ai .bubble { background: var(--dd-bg-raised); border: 1px solid var(--dd-line); border-bottom-left-radius: 6px; box-shadow: var(--dd-shadow-sm); }
.msg.me { justify-content: flex-end; }
.msg.me .bubble { background: var(--dd-grad-accent); color: #fff; border-bottom-right-radius: 6px; }
.msg.typing .bubble { padding: 14px 16px; }
.dd-dots { display: inline-flex; gap: 5px; }
.dd-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--c2); opacity: 0.35; animation: dd-typing 1.2s infinite ease-in-out; }
.dd-dots i:nth-child(2) { animation-delay: 0.15s; }
.dd-dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes dd-typing { 0%, 80%, 100% { opacity: 0.3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
.chat-error { border: 1px solid color-mix(in srgb, var(--dd-danger) 35%, transparent); background: color-mix(in srgb, var(--dd-danger) 7%, var(--dd-bg-raised)); border-radius: var(--dd-radius-md); padding: 12px 14px; }
.chat-error p { margin: 0; color: var(--dd-ink); font-size: var(--dd-fs-300); }
.chat-error .dd-row { margin-top: 10px; gap: 8px; flex-wrap: wrap; }
.chat-compose { position: relative; display: flex; align-items: flex-end; gap: 8px; width: calc(100% - 2 * var(--dd-space-4)); max-width: 720px; margin: 0 auto; padding: 6px 6px 6px 16px; background: var(--dd-bg-raised); border: 1px solid var(--dd-line-strong); border-radius: 26px; box-shadow: var(--dd-shadow-md); transition: border-color var(--dd-dur-1) var(--dd-ease), box-shadow var(--dd-dur-1) var(--dd-ease); }
.chat-compose:focus-within { border-color: var(--dd-accent); box-shadow: var(--dd-shadow-md), 0 0 0 3px color-mix(in srgb, var(--dd-accent) 18%, transparent); }
.chat-compose textarea { flex: 1; min-height: 40px; max-height: 160px; margin: 0; padding: 9px 0; border: 0; background: transparent; box-shadow: none; resize: none; font: inherit; font-size: var(--dd-fs-400); line-height: 1.45; color: var(--dd-ink); outline: none; }
.chat-compose textarea:focus { box-shadow: none; outline: none; }
.chat-send { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border: 0; border-radius: 50%; background: var(--dd-grad-accent); color: #fff; cursor: pointer; transition: transform var(--dd-dur-1) var(--dd-spring), opacity var(--dd-dur-1); }
.chat-send svg { width: 20px; height: 20px; }
.chat-send:active { transform: scale(0.92); }
.chat-send:disabled { opacity: 0.45; cursor: default; }
.chat-note { margin: 8px auto max(10px, env(safe-area-inset-bottom)); text-align: center; color: var(--dd-ink-3); font-size: var(--dd-fs-100); }
@media (prefers-reduced-motion: reduce) { .dd-dots i, .msg, .chat-view { animation: none; } }
.voice-view {
  position: fixed; inset: 0; z-index: 60; display: flex; flex-direction: column; overflow: hidden;
  --dd-ink: var(--dd-night-ink); --dd-ink-2: var(--dd-night-ink-2); --dd-ink-3: #8c879a; --dd-line: rgb(255 255 255 / 0.1); --dd-line-strong: rgb(255 255 255 / 0.18);
  --dd-bg-raised: #171b30; --dd-bg-sunken: #10132a; --dd-accent: #b4b6ff; --dd-accent-soft: rgb(169 171 255 / 0.14);
  --c1: #ffc874; --c2: #f2a93b; --c3: #e0674a; --lvl: 0;
  color: var(--dd-night-ink);
  background: radial-gradient(70% 50% at 50% 42%, color-mix(in srgb, var(--c3) 26%, transparent), transparent 70%), linear-gradient(180deg, #070913 0%, #0e1120 60%, #141030 100%);
  padding: calc(var(--dd-space-5) + env(safe-area-inset-top)) var(--dd-space-5) calc(var(--dd-space-6) + env(safe-area-inset-bottom));
  animation: dd-fade var(--dd-dur-3) var(--dd-ease);
}
.voice-view.char-atlas { --c1: #9fb2ff; --c2: #5b6cff; --c3: #2f3bb8; }
.voice-view.char-juno { --c1: #f3b4ff; --c2: #c56cf0; --c3: #6a4be6; }
.voice-view[hidden] { display: none; }
/* Full-screen views track the visible viewport (set from JS as --dd-vh / --dd-vt) so the
   controls never slip under browser toolbars or the keyboard. dvh covers browsers without JS. */
.voice-view, .chat-view { top: var(--dd-vt, 0px); bottom: auto; height: 100vh; height: 100dvh; height: var(--dd-vh, 100dvh); }
@keyframes dd-fade { from { opacity: 0; } to { opacity: 1; } }
.voice-top { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; min-height: 44px; }
.voice-who { display: inline-flex; align-items: center; gap: 8px; color: var(--dd-night-ink-2); font-size: var(--dd-fs-100); font-weight: 650; letter-spacing: 0.14em; text-transform: uppercase; }
.voice-who .char-av { width: 22px; height: 22px; box-shadow: none; }
.voice-who[hidden] { display: none; }
.voice-topic { color: var(--dd-night-ink); font-family: var(--dd-font-display); font-weight: 600; font-size: 1.125rem; letter-spacing: -0.01em; max-width: 32ch; }
.voice-balance { color: var(--dd-night-ink-2); font-size: var(--dd-fs-200); font-variant-numeric: tabular-nums; }
.voice-center {
  position: relative; z-index: 2; flex: 1 1 0; min-height: 0; overflow-y: auto; overscroll-behavior: contain; display: flex; flex-direction: column; align-items: center; justify-content: safe center; gap: var(--dd-space-3);
  text-align: center; background: none; border: 0; padding: var(--dd-space-5) 0; color: inherit; cursor: default; width: 100%;
}
.voice-center:focus-visible { outline-offset: -8px; }
.voice-orb { display: block; position: relative; width: 176px; height: 176px; border-radius: 50%; transform: scale(calc(1 + var(--lvl) * 0.16)); transition: transform 90ms linear, filter var(--dd-dur-3) var(--dd-ease), opacity var(--dd-dur-3) var(--dd-ease); }
.voice-orb::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, rgb(255 255 255 / 0.55) 0, transparent 22%), radial-gradient(circle at 35% 30%, var(--c1), var(--c2) 48%, var(--c3) 100%);
  box-shadow: 0 0 calc(44px + var(--lvl) * 60px) color-mix(in srgb, var(--c2) 70%, transparent), inset 0 -18px 40px rgb(0 0 0 / 0.28), inset 0 8px 18px rgb(255 255 255 / 0.25);
}
.voice-orb::after { content: ""; position: absolute; inset: -18px; border-radius: 50%; border: 1.5px solid color-mix(in srgb, var(--c1) 50%, transparent); opacity: 0; }
.voice-status, .voice-sub { display: block; }
.voice-orb[data-state="connecting"], .voice-orb[data-state="reconnecting"] { opacity: 0.85; }
.voice-orb[data-state="connecting"]::before, .voice-orb[data-state="reconnecting"]::before { animation: dd-breathe 1.4s ease-in-out infinite; }
.voice-orb[data-state="connecting"]::after, .voice-orb[data-state="reconnecting"]::after { inset: -12px; opacity: 1; border: 2px solid transparent; border-top-color: var(--c1); border-right-color: color-mix(in srgb, var(--c1) 40%, transparent); animation: dd-spin 1.2s linear infinite; }
.voice-orb[data-state="listening"]::before { animation: dd-breathe 3.6s ease-in-out infinite; }
.voice-orb[data-state="speaking"]::after { animation: dd-ring 1.6s var(--dd-ease) infinite; }
.voice-orb[data-state="thinking"]::before { animation: dd-breathe 1.1s ease-in-out infinite; }
.voice-orb[data-state="thinking"]::after { inset: -14px; opacity: 1; border: 0; background: conic-gradient(from 0deg, transparent 0 70%, color-mix(in srgb, var(--c1) 85%, transparent) 92%, transparent 100%); -webkit-mask: radial-gradient(circle, transparent 64%, #000 65%); mask: radial-gradient(circle, transparent 64%, #000 65%); animation: dd-spin 1.4s linear infinite; }
.voice-orb[data-state="paused"], .voice-orb[data-state="ended"], .voice-orb[data-state="error"] { filter: grayscale(0.85) brightness(0.8); opacity: 0.55; --lvl: 0; }
.voice-orb[data-state="wrapping"] { --c1: #ffd8a0; --c2: #f2a93b; --c3: #d9662b; }
.voice-orb[data-state="wrapping"]::before { animation: dd-breathe 2.2s ease-in-out infinite; }
@keyframes dd-breathe { 0%, 100% { transform: scale(0.96); } 50% { transform: scale(1.03); } }
@keyframes dd-ring { 0% { transform: scale(0.9); opacity: 0.8; } 100% { transform: scale(1.35); opacity: 0; } }
.voice-status { font-family: var(--dd-font-display); font-weight: 500; font-size: clamp(1.875rem, 1.5rem + 2vw, 2.5rem); letter-spacing: -0.025em; margin: var(--dd-space-5) 0 0; color: var(--dd-night-ink); }
.voice-sub { color: var(--dd-night-ink-2); max-width: 34ch; margin: 0; min-height: 1.5em; }
.voice-caption { display: block; max-width: 40ch; min-height: 4.5em; color: var(--dd-night-ink-2); font-size: var(--dd-fs-300); }
.voice-caption[hidden] { display: none; }
.voice-caption span { display: block; margin: 2px 0; }
.voice-caption .ai { color: var(--dd-night-ink); }
.voice-wake { position: relative; z-index: 2; margin-top: var(--dd-space-1); border: 0; background: rgb(255 255 255 / 0.06); color: var(--dd-accent); font-size: var(--dd-fs-100); font-weight: 600; padding: 4px 10px; border-radius: var(--dd-radius-pill); cursor: pointer; letter-spacing: 0.02em; }
.voice-wake.on { color: var(--dd-night-ink-2); cursor: default; }
.voice-wake.on::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #6fd3a2; box-shadow: 0 0 8px #6fd3a2; margin-right: 6px; vertical-align: 1px; }
.voice-controls { position: relative; z-index: 2; flex: none; display: flex; flex-wrap: wrap; gap: var(--dd-space-3); justify-content: center; align-items: center; padding-top: var(--dd-space-4); }
.voice-top { flex: none; }
.btn.voice-ctl { min-height: 56px; min-width: 92px; border-radius: var(--dd-radius-pill); font-size: var(--dd-fs-300); background: rgb(255 255 255 / 0.08); color: var(--dd-night-ink); border-color: rgb(255 255 255 / 0.12); box-shadow: none; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn.voice-ctl:hover { background: rgb(255 255 255 / 0.14); }
.btn.voice-ctl[aria-pressed="true"] { background: var(--dd-night-ink); color: var(--dd-night); border-color: transparent; }
.btn.voice-ctl[hidden] { display: none; }
.btn.end { min-height: 64px; min-width: 150px; border-radius: var(--dd-radius-pill); background: linear-gradient(180deg, #ff6b5e, #e0463a); color: #fff; border-color: transparent; font-size: var(--dd-fs-400); box-shadow: 0 12px 30px -10px rgb(224 70 58 / 0.7), inset 0 1px 0 rgb(255 255 255 / 0.25); }
.btn.end:hover { filter: brightness(1.06); }
.btn.end.done, .btn.end.done:hover { background: var(--dd-night-ink); color: var(--dd-night); box-shadow: none; }
.voice-view.has-summary .voice-orb { width: 84px; height: 84px; }
/* Nothing in the middle may squash to nothing; the middle scrolls instead. */
.voice-orb, .voice-status, .voice-sub, .voice-caption { flex: none; }
.voice-view.has-summary .voice-caption, .voice-view.has-summary .voice-wake { display: none; }
@media (max-height: 640px) {
  .voice-view.has-summary .voice-orb { width: 56px; height: 56px; }
  .voice-view.has-summary .voice-sub, .voice-view.has-summary .voice-who { display: none; }
}
@media (max-height: 720px) {
  .voice-view { padding-top: calc(var(--dd-space-3) + env(safe-area-inset-top)); padding-bottom: calc(var(--dd-space-4) + env(safe-area-inset-bottom)); }
  .voice-orb { width: 132px; height: 132px; }
  .voice-status { font-size: 1.75rem; margin-top: var(--dd-space-3); }
  .voice-caption { min-height: 0; }
  .btn.end { min-height: 56px; min-width: 132px; }
  .btn.voice-ctl { min-height: 48px; min-width: 84px; }
}
@media (max-height: 520px) {
  .voice-orb { width: 84px; height: 84px; }
  .voice-status { font-size: 1.375rem; margin-top: var(--dd-space-2); }
  .voice-sub { display: none; }
  .voice-controls { padding-top: var(--dd-space-2); }
  .btn.end { min-height: 48px; min-width: 112px; }
  .btn.voice-ctl { min-height: 44px; min-width: 76px; }
  .voice-summary { max-height: 38dvh; }
}
.voice-view.has-summary .voice-status { font-size: 1.5rem; margin-top: var(--dd-space-2); }
.voice-summary {
  position: relative; z-index: 2; flex: 0 1 auto; min-height: 0; max-height: 44vh; max-height: 46dvh; overflow: auto; overscroll-behavior: contain; margin: 0 auto var(--dd-space-3); width: min(560px, 100%);
  background: rgb(23 27 48 / 0.82); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgb(255 255 255 / 0.1); border-radius: var(--dd-radius-lg); color: var(--dd-night-ink);
  padding: var(--dd-space-5); box-shadow: 0 20px 50px -20px rgb(0 0 0 / 0.7); animation: dd-rise var(--dd-dur-4) var(--dd-ease);
}
.voice-summary[hidden] { display: none; }
.voice-summary h3 { margin-top: 0; color: var(--dd-night-ink); }
.voice-summary .hint, .voice-summary .muted { color: var(--dd-night-ink-2); }
.vs-block b { display: block; font-size: var(--dd-fs-100); text-transform: uppercase; letter-spacing: 0.12em; color: #8c879a; margin-top: var(--dd-space-4); font-weight: 650; }
.vs-block p { white-space: pre-wrap; margin: var(--dd-space-1) 0 0; }
.vs-transcript { margin-top: var(--dd-space-4); border-top: 1px solid rgb(255 255 255 / 0.1); padding-top: var(--dd-space-3); }
.vs-transcript:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.vs-transcript summary { cursor: pointer; font-weight: 600; color: var(--dd-night-ink); }
.vs-transcript p { margin: var(--dd-space-2) 0; font-size: var(--dd-fs-300); color: var(--dd-night-ink-2); }
.vs-transcript p b { color: var(--dd-night-ink); }
.voice-summary .plan-actions { margin-bottom: var(--dd-space-2); }
.voice-summary textarea { background: rgb(0 0 0 / 0.2); color: var(--dd-night-ink); border-color: rgb(255 255 255 / 0.14); }
.voice-entry { overflow: hidden; }
.voice-entry .partner { display: flex; align-items: center; justify-content: space-between; gap: var(--dd-space-3); margin: 0 0 var(--dd-space-4); }
.voice-entry .partner .char-inline b { font-family: var(--dd-font-display); font-weight: 600; font-size: 1.125rem; display: block; line-height: 1.2; }
.voice-entry .partner .char-inline small { display: block; color: var(--dd-ink-3); font-size: var(--dd-fs-200); }

/* Resume, plan and nudge cards */
.resume-card {
  border-color: transparent; color: var(--dd-night-ink); overflow: hidden;
  background: radial-gradient(90% 120% at 100% 0%, rgb(133 80 220 / 0.45), transparent 60%), radial-gradient(70% 90% at 0% 100%, rgb(242 169 59 / 0.22), transparent 60%), var(--dd-night);
  box-shadow: var(--dd-shadow-lg);
}
.resume-card .dd-eyebrow { color: var(--dd-night-ink-2); }
.resume-card .dd-eyebrow .nav-ic { color: var(--dd-glow); }
.resume-card .title { color: var(--dd-night-ink); font-size: 1.5rem; margin: var(--dd-space-1) 0 var(--dd-space-2); }
.resume-card .muted { color: var(--dd-night-ink-2); }
.resume-card .btn { margin-top: var(--dd-space-4); }
.plan-balance { margin: var(--dd-space-3) 0 0; color: var(--dd-ink-2); }
.plan-balance b { font-family: var(--dd-font-display); font-size: 2.25rem; font-weight: 500; letter-spacing: -0.03em; color: var(--dd-ink); font-variant-numeric: tabular-nums; margin-right: 4px; }
.plan-actions { display: flex; flex-direction: column; gap: var(--dd-space-2); margin-top: var(--dd-space-4); }
.plan-actions .btn { width: 100%; }
.nudge-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--dd-space-3); background: var(--dd-amber-soft); border-color: transparent; }
.nudge-card p { margin: 0; }
.balance-chip {
  display: inline-flex; align-items: center; gap: 8px; margin-top: var(--dd-space-2); padding: 7px 14px 7px 12px;
  border-radius: var(--dd-radius-pill); background: var(--dd-bg-raised); border: 1px solid var(--dd-line); box-shadow: var(--dd-shadow-xs);
  color: var(--dd-ink); font-size: var(--dd-fs-200); font-weight: 600; font-variant-numeric: tabular-nums; text-decoration: none;
  transition: transform var(--dd-dur-1) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease);
}
.balance-chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--dd-glow); box-shadow: 0 0 8px var(--dd-glow); }
.balance-chip:hover { box-shadow: var(--dd-shadow-sm); }
.balance-chip:active { transform: scale(0.96); }
.balance-chip[hidden] { display: none; }
.ts-box { position: fixed; left: 50%; bottom: var(--dd-space-5); transform: translateX(-50%); z-index: 1000; }
.tips { padding-left: 1.2em; margin: var(--dd-space-2) 0 var(--dd-space-4); }
.tips li { margin: 0 0 var(--dd-space-3); color: var(--dd-ink-2); }
.tips li::marker { color: var(--dd-accent); }
.tips.consent li::marker { color: var(--dd-glow); }
body.voice-open .scrim { z-index: 70; }
body.voice-open .sheet { z-index: 71; }

/* Cookie bar (#19): one slim line */
.consent-banner {
  position: fixed; left: 12px; right: 12px; margin: 0 auto; z-index: 80; white-space: nowrap;
  bottom: calc(var(--dd-bottom-nav-h) + 22px + env(safe-area-inset-bottom));
  display: flex; align-items: center; gap: 6px; width: fit-content;
  padding: 6px 6px 6px 14px; border-radius: var(--dd-radius-pill);
  background: color-mix(in srgb, var(--dd-bg-raised) 88%, transparent); border: 1px solid var(--dd-line);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: var(--dd-shadow-md);
  font-size: var(--dd-fs-100); color: var(--dd-ink-2); animation: dd-rise 400ms var(--dd-ease) 1.2s both;
}
.consent-banner[hidden] { display: none; }
.consent-banner p { margin: 0 4px 0 0; }
.consent-banner a { color: inherit; font-weight: 600; }
.cb-btn { border: 0; background: transparent; color: var(--dd-ink-2); font-weight: 650; font-size: var(--dd-fs-100); padding: 6px 10px; border-radius: var(--dd-radius-pill); min-height: 32px; }
.cb-btn.ok { background: var(--dd-ink); color: var(--dd-bg); }
.cb-btn:active { transform: scale(0.96); }
@media (min-width: 960px) { .consent-banner { bottom: 20px; } }

/* ---------- Profile and usage (hidden behind the avatar) ---------- */
.content { position: relative; }
.profile-btn { position: absolute; top: calc(var(--dd-space-5) + env(safe-area-inset-top)); right: var(--dd-space-5); z-index: 5; border-radius: 50%; transition: transform var(--dd-dur-1) var(--dd-ease); }
.profile-btn:active { transform: scale(0.92); }
.page-head { padding-right: 52px; }
@media (min-width: 960px) { .profile-btn { display: none; } .page-head { padding-right: 0; } }
.avatar { position: relative; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; flex: none; font-family: var(--dd-font-display); font-weight: 600; font-size: 1rem; color: var(--dd-ink); background: var(--dd-bg-raised); border: 1px solid var(--dd-line); box-shadow: var(--dd-shadow-sm), var(--dd-highlight); }
.avatar.low::after { content: ""; position: absolute; top: -1px; right: -1px; width: 10px; height: 10px; border-radius: 50%; background: var(--dd-glow); box-shadow: 0 0 0 2px var(--dd-bg), 0 0 8px var(--dd-glow); }
.rail-profile { display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; margin: 0 0 var(--dd-space-4); padding: var(--dd-space-2) var(--dd-space-3) !important; min-height: 56px !important; border-radius: var(--dd-radius-lg) !important; }
.rail-profile span:not(.avatar) { min-width: 0; }
.rail-profile b { display: block; font-size: var(--dd-fs-200); font-weight: 600; color: var(--dd-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 160px; }
.rail-profile small { display: block; font-size: var(--dd-fs-100); color: var(--dd-ink-3); }
.acct-head { display: flex; align-items: center; gap: 14px; margin: var(--dd-space-3) 0 var(--dd-space-5); }
.acct-head .avatar { width: 52px; height: 52px; font-size: 1.375rem; }
.acct-head b { display: block; font-weight: 600; word-break: break-all; }
.acct-head small { color: var(--dd-ink-3); font-size: var(--dd-fs-200); }
.usage-meter { padding: var(--dd-space-4); border-radius: var(--dd-radius-md); background: var(--dd-bg-sunken); border: 1px solid var(--dd-line); }
.usage-meter .row { display: flex; justify-content: space-between; font-size: var(--dd-fs-300); font-weight: 600; margin-bottom: 10px; }
.usage-meter .row span:last-child { color: var(--dd-ink-2); font-weight: 550; font-variant-numeric: tabular-nums; }
.usage-meter .bar { height: 8px; border-radius: var(--dd-radius-pill); background: color-mix(in srgb, var(--dd-ink) 8%, transparent); overflow: hidden; }
.usage-meter .bar i { display: block; height: 100%; border-radius: inherit; background: var(--dd-grad-accent); transition: width var(--dd-dur-4) var(--dd-ease); }
.usage-meter.low .bar i { background: linear-gradient(90deg, #f2a93b, #e0674a); }
.usage-meter small { display: block; margin-top: 10px; color: var(--dd-ink-3); font-size: var(--dd-fs-200); }
.voice-balance { display: none; }

/* ---------- Utility ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.token-display { font-family: var(--dd-font-mono); font-size: var(--dd-fs-200); word-break: break-all; background: var(--dd-bg-sunken); border-radius: var(--dd-radius-md); padding: var(--dd-space-4); border: 1px solid var(--dd-line); }

/* ---------- Reduced motion: keep feedback, drop movement ---------- */
/* ---------- Public pages (#61): homepage content and landing pages ---------- */
body.mk { background: var(--dd-bg); color: var(--dd-ink); }
.mk-static { background: var(--dd-bg); }
.mk-top { display: flex; align-items: center; justify-content: space-between; gap: var(--dd-space-4); max-width: 1080px; margin: 0 auto; padding: calc(14px + env(safe-area-inset-top)) var(--dd-space-5) 14px; }
.mk-brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--dd-font-display); font-weight: 600; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--dd-ink); text-decoration: none; }
.mk-brand svg { width: 34px; height: 34px; }
.mk-top nav { display: flex; align-items: center; gap: var(--dd-space-5); }
.mk-top nav a:not(.btn) { color: var(--dd-ink-2); font-weight: 600; font-size: var(--dd-fs-300); text-decoration: none; }
.mk-top nav a:not(.btn):hover { color: var(--dd-ink); }
@media (max-width: 760px) { .mk-top nav a:not(.btn) { display: none; } }
.mk-main { max-width: 1080px; margin: 0 auto; padding: 0 var(--dd-space-5) var(--dd-space-10); }
.mk-crumbs { display: flex; gap: 8px; align-items: center; color: var(--dd-ink-3); font-size: var(--dd-fs-200); margin: 4px 0 var(--dd-space-4); }
.mk-crumbs a { color: var(--dd-ink-3); text-decoration: none; }
.mk-crumbs a:hover { color: var(--dd-ink); }

.mk-hero { position: relative; overflow: hidden; isolation: isolate; border-radius: var(--dd-radius-xl); padding: clamp(36px, 7vw, 84px) clamp(24px, 6vw, 72px); margin: 8px 0 var(--dd-space-9); color: var(--dd-night-ink);
  background: radial-gradient(70% 90% at 100% 0%, rgb(133 80 220 / 0.55), transparent 60%), radial-gradient(60% 80% at 0% 100%, rgb(242 169 59 / 0.26), transparent 62%), var(--dd-night); box-shadow: var(--dd-shadow-lg); }
.mk-hero::after { content: ""; position: absolute; right: -60px; top: -60px; width: 280px; height: 280px; z-index: -1; border-radius: 50%; background: radial-gradient(circle, rgb(255 213 154 / 0.5), rgb(242 169 59 / 0.18) 45%, transparent 70%); filter: blur(10px); }
.mk-hero h1 { color: var(--dd-night-ink); font-weight: 500; font-size: clamp(2.2rem, 6.4vw, 4rem); line-height: 1.05; letter-spacing: -0.03em; max-width: 18ch; margin: 0 0 var(--dd-space-5); }
.mk-hero h1 em { font-style: italic; background: linear-gradient(120deg, #ffd08a, #f2a93b 40%, #c89bff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mk-lede { max-width: 58ch; font-size: clamp(1.05rem, 2.2vw, 1.25rem); line-height: 1.6; color: var(--dd-night-ink-2); margin: 0 0 var(--dd-space-6); }
.mk-hero .btn:not(.primary), .mk-cta .btn:not(.primary) { background: rgb(255 255 255 / 0.08); color: var(--dd-night-ink); border-color: rgb(255 255 255 / 0.18); box-shadow: none; }
.mk-hero .btn:not(.primary):hover, .mk-cta .btn:not(.primary):hover { background: rgb(255 255 255 / 0.14); }
.mk-cta-row { display: flex; flex-wrap: wrap; gap: var(--dd-space-3); }

.mk-section { margin: 0 auto var(--dd-space-9); }
.mk-section > h2 { font-size: clamp(1.5rem, 3.6vw, 2.125rem); letter-spacing: -0.02em; margin: 0 0 var(--dd-space-4); }
.mk-sub { color: var(--dd-ink-2); margin: 0 0 var(--dd-space-5); max-width: 60ch; }
.mk-prose { max-width: 720px; margin: 0 auto; }
.mk-prose .mk-section { margin-bottom: var(--dd-space-8); }
.mk-prose p, .mk-prose li { font-size: 1.0625rem; line-height: 1.75; color: var(--dd-ink); }
.mk-prose p { margin: 0 0 var(--dd-space-4); }
.mk-prose ul, .mk-prose ol { padding-left: 1.3em; margin: 0 0 var(--dd-space-4); }
.mk-prose li { margin-bottom: var(--dd-space-2); }
.mk-prose h3 { font-size: 1.25rem; margin: 0 0 var(--dd-space-2); }
.mk-prose h2, .mk-section > h2 { max-width: none; }
.mk-prose a, .mk-note a, .mk-faq a { color: var(--dd-accent); text-underline-offset: 3px; }
.mk-note { color: var(--dd-ink-3); font-size: var(--dd-fs-300); margin: var(--dd-space-4) 0 0; }
.mk-two { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--dd-space-5); }
.mk-two > div { padding: var(--dd-space-5); border: 1px solid var(--dd-line); border-radius: var(--dd-radius-lg); background: var(--dd-bg-raised); }
.mk-two p { margin: 0; }

.mk-grid { display: grid; gap: var(--dd-space-4); }
.mk-grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.mk-grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.mk-card { background: var(--dd-bg-raised); border: 1px solid var(--dd-line); border-radius: var(--dd-radius-lg); padding: var(--dd-space-5); box-shadow: var(--dd-shadow-sm); }
.mk-card h3 { font-size: 1.25rem; margin: 0 0 var(--dd-space-2); }
.mk-card p { margin: 0 0 var(--dd-space-2); color: var(--dd-ink-2); font-size: var(--dd-fs-300); line-height: 1.6; }
.mk-link { display: block; color: inherit; text-decoration: none; transition: transform var(--dd-dur-2) var(--dd-ease), box-shadow var(--dd-dur-2) var(--dd-ease), border-color var(--dd-dur-2) var(--dd-ease); }
.mk-link:hover { transform: translateY(-3px); box-shadow: var(--dd-shadow-md); border-color: var(--dd-line-strong); }
.mk-more { color: var(--dd-accent); font-weight: 650; font-size: var(--dd-fs-300); }
.mk-more::after { content: " \2192"; }
.mk-partner { display: flex; flex-direction: column; align-items: flex-start; }
.mk-partner .char-av { margin-bottom: var(--dd-space-3); }
.mk-role { color: var(--dd-amber) !important; font-weight: 650; font-size: var(--dd-fs-200) !important; }
.mk-voice { color: var(--dd-ink-3) !important; font-size: var(--dd-fs-200) !important; }
.mk-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--dd-space-4); grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.mk-steps li { display: flex; gap: var(--dd-space-4); align-items: flex-start; padding: var(--dd-space-5); border: 1px solid var(--dd-line); border-radius: var(--dd-radius-lg); background: var(--dd-bg-raised); }
.mk-steps h3 { font-size: 1.125rem; margin: 0 0 6px; }
.mk-steps p { margin: 0; color: var(--dd-ink-2); font-size: var(--dd-fs-300); line-height: 1.6; }
.mk-num { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--dd-grad-accent); color: #fff; font-weight: 700; }
.mk-price .mk-amount { margin: var(--dd-space-2) 0 0; display: flex; align-items: baseline; gap: 4px; }
.mk-price .mk-amount b { font-family: var(--dd-font-display); font-size: 2.25rem; font-weight: 600; letter-spacing: -0.03em; color: var(--dd-ink); }
.mk-price .mk-amount span { color: var(--dd-ink-3); font-size: var(--dd-fs-300); }
.mk-tokens { color: var(--dd-ink) !important; font-weight: 650; }
.mk-pnote { color: var(--dd-ink-3) !important; font-size: var(--dd-fs-200) !important; margin-top: var(--dd-space-3) !important; }
.mk-price.highlight { border-color: var(--dd-accent); box-shadow: 0 0 0 1px var(--dd-accent), var(--dd-shadow-md); }

.mk-faq { max-width: 720px; border-top: 1px solid var(--dd-line); }
.mk-faq details { border-bottom: 1px solid var(--dd-line); padding: var(--dd-space-4) 0; }
.mk-faq summary { cursor: pointer; font-weight: 650; font-size: 1.0625rem; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: var(--dd-space-4); color: var(--dd-ink); min-height: 0; text-align: left; }
.mk-faq summary::before { display: none; }
.mk-faq summary::-webkit-details-marker { display: none; }
.mk-faq summary::after { content: "+"; color: var(--dd-accent); font-size: 1.4rem; line-height: 1; transition: transform var(--dd-dur-2) var(--dd-ease); }
.mk-faq details[open] summary::after { transform: rotate(45deg); }
.mk-faq p { margin: var(--dd-space-3) 0 0; color: var(--dd-ink-2); line-height: 1.7; }

.mk-cta { text-align: center; border-radius: var(--dd-radius-xl); padding: clamp(36px, 6vw, 64px) var(--dd-space-5); margin: 0 auto var(--dd-space-9); color: var(--dd-night-ink);
  background: radial-gradient(70% 120% at 50% 0%, rgb(133 80 220 / 0.5), transparent 65%), radial-gradient(50% 80% at 10% 100%, rgb(242 169 59 / 0.22), transparent 62%), var(--dd-night); }
.mk-cta h2 { color: var(--dd-night-ink); font-size: clamp(1.6rem, 4vw, 2.4rem); letter-spacing: -0.02em; margin: 0 0 var(--dd-space-3); }
.mk-cta p { color: var(--dd-night-ink-2); margin: 0 auto var(--dd-space-5); max-width: 48ch; }
.mk-cta .mk-cta-row { justify-content: center; }

.mk-table-wrap { overflow-x: auto; border: 1px solid var(--dd-line); border-radius: var(--dd-radius-lg); background: var(--dd-bg-raised); }
.mk-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: var(--dd-fs-300); }
.mk-table th, .mk-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--dd-line); vertical-align: top; }
.mk-table thead th { font-weight: 650; color: var(--dd-ink); background: var(--dd-bg-sunken); }
.mk-table tbody th { color: var(--dd-ink-2); font-weight: 650; white-space: nowrap; }
.mk-table tr:last-child th, .mk-table tr:last-child td { border-bottom: 0; }

.mk-foot { max-width: 1080px; margin: 0 auto; padding: var(--dd-space-8) var(--dd-space-5) calc(var(--dd-space-8) + env(safe-area-inset-bottom)); border-top: 1px solid var(--dd-line); }
.mk-foot-grid { display: grid; gap: var(--dd-space-6); grid-template-columns: 1.4fr repeat(3, 1fr); }
@media (max-width: 760px) { .mk-foot-grid { grid-template-columns: 1fr 1fr; } .mk-foot-grid > div:first-child { grid-column: 1 / -1; } }
.mk-foot h4 { margin: 0 0 var(--dd-space-3); font-family: var(--dd-font-body); font-size: var(--dd-fs-100); letter-spacing: 0.12em; text-transform: uppercase; color: var(--dd-ink-3); }
.mk-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.mk-foot a:not(.mk-brand) { color: var(--dd-ink-2); text-decoration: none; font-size: var(--dd-fs-300); }
.mk-foot a:not(.mk-brand):hover { color: var(--dd-ink); text-decoration: underline; }
.mk-foot p { color: var(--dd-ink-3); font-size: var(--dd-fs-300); margin: var(--dd-space-3) 0 0; max-width: 36ch; }
.mk-legal { margin-top: var(--dd-space-6) !important; max-width: none !important; font-size: var(--dd-fs-200) !important; }
.mk-404 { text-align: center; padding-top: var(--dd-space-9); }
.mk-404 h1 { font-size: clamp(2rem, 6vw, 3.25rem); margin: var(--dd-space-6) 0 var(--dd-space-3); }
.mk-404 h1 em { font-style: italic; background: var(--dd-grad-accent); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mk-404 .mk-lede { color: var(--dd-ink-2); margin-inline: auto; }
.mk-404-links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--dd-space-3); }
.mk-404-links a { display: inline-block; padding: 10px 16px; border: 1px solid var(--dd-line-strong); border-radius: 999px; color: var(--dd-ink); text-decoration: none; font-weight: 600; background: var(--dd-bg-raised); }

/* ---------- Mobile polish (on-the-go use) ---------- */
html, body { overflow-x: clip; }
/* Pull-to-refresh and rubber-banding must never reload the page mid-conversation. */
html:has(body.voice-open), html:has(body.chat-open), body.voice-open, body.chat-open { overscroll-behavior: none; }
.voice-view, .chat-view { touch-action: manipulation; -webkit-user-select: none; user-select: none; }
.chat-log, .chat-compose textarea { -webkit-user-select: text; user-select: text; }
.topic-card .foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--dd-space-2) var(--dd-space-3); }
.card-talk { display: inline-flex; align-items: center; gap: 6px; flex: none; min-height: 40px; padding: 0 14px; border-radius: 999px; background: var(--dd-accent-soft); color: var(--dd-accent); font-size: var(--dd-fs-300); font-weight: 650; border: 1px solid color-mix(in srgb, var(--dd-accent) 25%, transparent); transition: transform var(--dd-dur-1) var(--dd-ease), background var(--dd-dur-1) var(--dd-ease); }
.card-talk .nav-ic { width: 18px; height: 18px; }
.card-talk:active { transform: scale(0.95); }
.install-card .steps { margin: var(--dd-space-3) 0 0; padding-left: 1.2em; color: var(--dd-ink-2); font-size: var(--dd-fs-300); line-height: 1.7; }
.net-banner { max-width: calc(100% - 24px); white-space: normal; text-align: center; }
@media (pointer: coarse) {
  .btn.sm, .chips button, .seg button, .fb-btn, .card-talk, .linkish { min-height: 44px; }
  .profile-btn { min-width: 44px; min-height: 44px; width: 44px; height: 44px; display: grid; place-items: center; }
  .profile-btn .avatar { width: 40px; height: 40px; }
  .hero .top a, .mk-top nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 6px; }
  .stars button { min-width: 38px; min-height: 40px; }
  details > summary { min-height: 44px; }
}
@media (max-width: 640px) {
  .filters label { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .section-title { margin-top: var(--dd-space-6); }
  .action-grid { margin-bottom: var(--dd-space-5); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .voice-orb { transform: none !important; }
}