/* ==========================================================================
   Caption Studio — global styles (design tokens + layout)
   Scoped under .cs-shell / [data-cs-theme] — does not leak to qrdyai pages.
   ========================================================================== */

@font-face {
  font-family: 'SF Pro CS';
  src: url('/captionstudio/fonts/SF-Pro.ttf') format('truetype-variations'),
       url('/captionstudio/fonts/SF-Pro.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;600&display=swap');

.cs-shell {
  /* Brand indigos */
  --qrdy-indigo-900: #1f1399;
  --qrdy-indigo-700: #382acc;
  --qrdy-indigo-500: #5b4df0;
  --qrdy-indigo-300: #a9a0ff;
  --qrdy-indigo-100: #ebe8ff;

  /* Greens */
  --green-50:  #f0fff4;
  --green-100: #c6f6d5;
  --green-200: #9ae6b4;
  --green-300: #68d391;
  --green-400: #48bb78;
  --green-500: #38a169;
  --green-600: #2f855a;
  --green-700: #276749;

  --orange-50:  #fffaf0;
  --orange-100: #feebc8;
  --orange-200: #fbd38d;
  --orange-300: #f6ad55;
  --orange-400: #ed8936;
  --orange-500: #dd6b20;
  --orange-600: #c05621;

  --purple-50:  #faf5ff;
  --purple-100: #e9d8fd;
  --purple-200: #d6bcfa;
  --purple-300: #b794f4;
  --purple-400: #9f7aea;
  --purple-500: #805ad5;
  --purple-600: #6b46c1;

  --teal-400: #38b2ac;
  --teal-500: #319795;

  --red-400: #f56565;
  --red-500: #e53e3e;

  --gray-50:  #f7fafc;
  --gray-100: #edf2f7;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e0;
  --gray-400: #a0aec0;
  --gray-500: #718096;
  --gray-600: #4a5568;
  --gray-700: #2d3748;
  --gray-800: #1a202c;
  --gray-900: #171923;

  /* Surfaces (light default) */
  --cs-max: 1200px;
  --cs-max-narrow: 920px;
  --bg-app:        #ffffff;
  --bg-surface:    #fafbfc;
  --bg-elevated:   #ffffff;
  --bg-muted:      var(--gray-100);
  --bg-sunken:     var(--gray-50);
  --bg-invert:     var(--gray-900);
  --border-hair:   rgba(23,25,35,.08);
  --border-subtle: var(--gray-200);
  --border-default:var(--gray-300);
  --fg-1:          var(--gray-800);
  --fg-2:          var(--gray-600);
  --fg-3:          var(--gray-500);
  --fg-invert:     #ffffff;
  --fg-link:       var(--teal-500);
  --shadow-soft:   0 1px 2px rgba(23,25,35,.04), 0 10px 30px -12px rgba(23,25,35,.12);
  --shadow-pop:    0 20px 60px -20px rgba(23,25,35,.18), 0 2px 6px rgba(23,25,35,.04);
  --accent:        var(--green-400);
  --accent-hover:  var(--green-500);
  --accent-deep:   var(--green-700);
  --accent-soft:   var(--green-50);
  --accent-chip:   var(--green-100);

  --radius-sm:    4px;
  --radius-md:    6px;
  --radius-lg:    8px;
  --radius-xl:    12px;
  --radius-2xl:   16px;
  --radius-full:  9999px;

  --font-body:    "SF Pro CS", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: var(--font-body);
  --font-mono:    "SF Mono", ui-monospace, Menlo, Monaco, "Cascadia Mono", "Segoe UI Mono", "Roboto Mono", Consolas, monospace;
  --font-caveat:  "Caveat", "Kalam", cursive;

  --ease-standard: cubic-bezier(.4, 0, .2, 1);
  --dur-fast:     120ms;
  --dur-base:     200ms;
  --dur-slow:     300ms;

  background: var(--bg-app);
  color: var(--fg-1);
  font-family: var(--font-body);
  min-height: 100vh;
}
.cs-shell[data-cs-theme="dark"] {
  --bg-app:        #0d1017;
  --bg-surface:    #121622;
  --bg-elevated:   #171b28;
  --bg-muted:      #1e2330;
  --bg-sunken:     #0a0d13;
  --bg-invert:     #ffffff;
  --border-hair:   rgba(255,255,255,.06);
  --border-subtle: rgba(255,255,255,.08);
  --border-default:rgba(255,255,255,.14);
  --fg-1:          #ffffff;
  --fg-2:          var(--gray-300);
  --fg-3:          var(--gray-400);
  --fg-invert:     var(--gray-900);
  --shadow-soft:   0 1px 2px rgba(0,0,0,.4), 0 10px 30px -10px rgba(0,0,0,.6);
  --shadow-pop:    0 30px 80px -20px rgba(0,0,0,.7), 0 2px 6px rgba(0,0,0,.3);
  --accent:        #5ec98a;
  --accent-hover:  #48bb78;
  --accent-deep:   #c6f6d5;
  --accent-soft:   rgba(72,187,120,.10);
  --accent-chip:   rgba(72,187,120,.18);
}

.cs-shell, .cs-shell *, .cs-shell *::before, .cs-shell *::after { box-sizing: border-box; }
.cs-shell a { color: inherit; text-decoration: none; }
.cs-shell button { font-family: inherit; cursor: pointer; }

/* ---------- Header --------------------------------------------------------- */
.cs-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg-app) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border-hair);
}
.cs-header-inner {
  max-width: var(--cs-max); margin: 0 auto;
  height: 68px; padding: 0 24px;
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 24px;
}
/* Hub pages hide the marketing nav → collapse the middle column so the
   avatar chip sits flush against the right edge. */
.cs-header[data-variant="hub"] .cs-header-inner {
  grid-template-columns: auto auto;
}
.cs-logo { display: inline-flex; align-items: center; gap: 10px; }
.cs-logomark { display: inline-flex; width: 34px; height: 34px; border-radius: 8px; overflow: hidden; }
.cs-logomark svg { display: block; width: 34px; height: 34px; }
.cs-logomark img { display: block; width: 34px; height: 34px; object-fit: cover; }
.cs-logo-text { display: flex; flex-direction: column; line-height: 1; }
.cs-logo-name { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; color: var(--fg-1); }
.cs-logo-sub { font-size: 11px; color: var(--fg-3); margin-top: 3px; letter-spacing: 0.02em; }

.cs-nav { display: inline-flex; justify-self: center; gap: 4px; }
.cs-nav a {
  font-size: 14px; color: var(--fg-2); padding: 8px 14px; border-radius: 999px;
  transition: background .2s var(--ease-standard), color .2s var(--ease-standard);
}
.cs-nav a:hover, .cs-nav a.is-active { background: var(--bg-muted); color: var(--fg-1); }
.cs-header-actions { display: inline-flex; gap: 8px; align-items: center; justify-self: end; }
@media (max-width: 720px) { .cs-nav { display: none; } .cs-header-inner { grid-template-columns: auto auto; } }

/* ---------- Buttons -------------------------------------------------------- */
.cs-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 18px;
  border-radius: 999px; border: 1px solid transparent;
  font-size: 14px; font-weight: 600; letter-spacing: -0.005em;
  transition: background .2s var(--ease-standard), color .2s var(--ease-standard), border-color .2s, transform .15s;
}
.cs-btn:active { transform: translateY(1px); }
.cs-btn:disabled { cursor: not-allowed; }
.cs-btn-primary { background: var(--accent); color: #0a2818; }
.cs-shell[data-cs-theme="dark"] .cs-btn-primary { color: #09210f; }
.cs-btn-primary:hover { background: var(--accent-hover); }
.cs-btn-ghost { background: transparent; color: var(--fg-1); border-color: var(--border-default); }
.cs-btn-ghost:hover { background: var(--bg-muted); }
.cs-btn-solid { background: var(--fg-1); color: var(--bg-app); }
.cs-btn-lg { height: 52px; padding: 0 26px; font-size: 16px; border-radius: 999px; }

.cs-icon-btn {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--bg-muted); color: var(--fg-1); border: 1px solid var(--border-hair);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s;
}
.cs-icon-btn:hover { background: color-mix(in srgb, var(--bg-muted) 70%, var(--fg-1) 8%); }

/* ---------- User avatar group ---------------------------------------------
   A compact "who am I" chip in the header: avatar + inline name/email, with
   a dropdown showing the full email + a sign-out button.
-----------------------------------------------------------------------------*/
.cs-user { position: relative; display: inline-flex; }
.cs-user-chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 4px 12px 4px 4px;
  border-radius: 999px; border: 1px solid var(--border-hair);
  background: var(--bg-muted); color: var(--fg-1); cursor: pointer;
  transition: background .2s, border-color .2s;
  max-width: 220px;
}
.cs-user-chip:hover {
  background: color-mix(in srgb, var(--bg-muted) 70%, var(--fg-1) 8%);
  border-color: var(--border-subtle);
}
.cs-user-chip-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  overflow: hidden; flex: 0 0 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-elevated); color: var(--fg-1);
  font-size: 12px; font-weight: 700; letter-spacing: 0.02em;
  border: 1px solid var(--border-hair);
}
.cs-user-chip-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cs-user-chip-label {
  font-size: 13px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 140px;
}
@media (max-width: 720px) { .cs-user-chip-label { display: none; } .cs-user-chip { padding: 4px; } }

.cs-user-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 260px;
  background: var(--bg-elevated); color: var(--fg-1);
  border: 1px solid var(--border-subtle);
  border-radius: 14px; padding: 6px;
  box-shadow: 0 16px 40px rgba(0,0,0,.12);
  z-index: 80;
}
.cs-shell[data-cs-theme="dark"] .cs-user-menu {
  box-shadow: 0 16px 40px rgba(0,0,0,.5);
}
.cs-user-menu-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
}
.cs-user-menu-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  overflow: hidden; flex: 0 0 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-muted); color: var(--fg-1);
  font-size: 14px; font-weight: 700;
  border: 1px solid var(--border-hair);
}
.cs-user-menu-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cs-user-menu-meta { min-width: 0; flex: 1 1 auto; }
.cs-user-menu-name {
  font-size: 13px; font-weight: 700; color: var(--fg-1);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cs-user-menu-email {
  font-size: 12px; color: var(--fg-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cs-user-menu-sep { height: 1px; background: var(--border-hair); margin: 6px 8px; }
.cs-user-menu-btn {
  width: 100%; text-align: left;
  padding: 10px 12px; border-radius: 10px;
  background: transparent; border: none; cursor: pointer;
  font-size: 13px; font-weight: 500;
  color: var(--fg-1);
  display: flex; align-items: center; gap: 8px;
  transition: background .15s;
}
.cs-user-menu-btn:hover { background: var(--bg-muted); }
.cs-user-menu-btn.is-danger { color: #c53030; }
.cs-shell[data-cs-theme="dark"] .cs-user-menu-btn.is-danger { color: #fc8181; }
.cs-user-menu-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.cs-seg {
  display: inline-flex; padding: 3px; background: var(--bg-muted);
  border-radius: 999px; border: 1px solid var(--border-hair);
}
.cs-seg button {
  border: 0; background: transparent; color: var(--fg-2);
  height: 32px; padding: 0 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  transition: background .2s, color .2s;
}
.cs-seg button.is-on { background: var(--bg-elevated); color: var(--fg-1); box-shadow: 0 1px 3px rgba(0,0,0,.08); }

/* ---------- Sections / utility --------------------------------------------- */
.cs-section { padding: 96px 24px; }
.cs-section-tight { padding: 56px 24px; }
.cs-inner { max-width: var(--cs-max); margin: 0 auto; }
.cs-inner-narrow { max-width: var(--cs-max-narrow); margin: 0 auto; }

.cs-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 600; color: var(--fg-3);
  text-transform: uppercase; letter-spacing: 0.14em;
}
.cs-eyebrow::before {
  content: ''; display: inline-block; width: 22px; height: 1px; background: var(--border-default);
}

.cs-h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 600; letter-spacing: -0.02em;
  line-height: 1.1; margin: 0; color: var(--fg-1);
  text-wrap: balance;
}
.cs-subh {
  font-size: 17px; color: var(--fg-2); line-height: 1.55; margin: 16px 0 0;
  max-width: 620px; text-wrap: pretty;
}

/* ---------- Hero ----------------------------------------------------------- */
.cs-hero {
  position: relative; padding: 64px 24px 56px;
  overflow: hidden; border-bottom: 1px solid var(--border-hair);
}
.cs-hero-inner {
  max-width: var(--cs-max); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 56px; align-items: center;
}
@media (max-width: 980px) { .cs-hero-inner { grid-template-columns: 1fr; gap: 40px; } }
.cs-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 8px; border-radius: 999px;
  background: var(--accent-chip); color: var(--accent-deep);
  font-size: 12px; font-weight: 600; letter-spacing: 0.01em;
}
.cs-hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 999px; background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 30%, transparent);
}
.cs-hero h1 {
  margin: 22px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 0.98; font-weight: 600;
  letter-spacing: -0.035em; color: var(--fg-1);
  text-wrap: balance;
}
.cs-hero h1 .accent { color: var(--accent); position: relative; white-space: nowrap; }
.cs-hero h1 .accent::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 10px;
  background: var(--accent-chip); z-index: -1; border-radius: 4px;
}
.cs-hero-sub { margin-top: 22px; font-size: 19px; color: var(--fg-2); line-height: 1.5; max-width: 520px; }
.cs-hero-cta { margin-top: 34px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.cs-hero-cta-sub { margin-top: 16px; font-size: 13px; color: var(--fg-3); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.cs-hero-cta-sub .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: 0.6; }

.cs-hero-scribble { position: relative; display: inline-flex; align-items: center; }
.cs-hero-scribble .caveat {
  font-family: var(--font-caveat);
  font-size: 22px; color: var(--accent-deep);
  transform: rotate(-4deg); margin-left: 10px;
}

.cs-hero-viz {
  position: relative; aspect-ratio: 1.05;
  border-radius: 18px; background: var(--bg-elevated);
  border: 1px solid var(--border-hair);
  box-shadow: var(--shadow-pop);
  overflow: hidden; padding: 22px;
}
.cs-shell[data-cs-theme="dark"] .cs-hero-viz { background: linear-gradient(180deg, #161b28, #0f131d); }

.viz-chrome { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--fg-3); }
.viz-chrome .dots { display: inline-flex; gap: 5px; }
.viz-chrome .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-default); display: inline-block; }
.viz-chrome .dots i:nth-child(1) { background: #ff5f57; }
.viz-chrome .dots i:nth-child(2) { background: #febc2e; }
.viz-chrome .dots i:nth-child(3) { background: #28c840; }

.viz-stage { margin-top: 16px; display: grid; grid-template-rows: 1fr auto 1fr; height: calc(100% - 26px); gap: 14px; }
.viz-wave {
  display: grid; grid-template-columns: repeat(64, 1fr); gap: 3px;
  align-items: center; padding: 8px 10px;
  background: var(--bg-sunken); border-radius: 12px;
  min-height: 140px; position: relative; overflow: hidden;
}
.viz-wave .bar {
  height: var(--h, 30%); background: var(--fg-3); border-radius: 2px;
  opacity: 0.55; transition: height .12s linear, background .2s, opacity .2s;
}
.viz-wave .bar.lit { opacity: 1; background: var(--accent); }
.viz-playhead {
  position: absolute; top: 6px; bottom: 6px; width: 2px; background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 2px; pointer-events: none; transition: left .12s linear;
}
.viz-timeline {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); padding: 0 4px;
}
.viz-timeline .chip {
  padding: 3px 8px; border-radius: 999px;
  background: var(--accent-chip); color: var(--accent-deep);
  font-weight: 600; letter-spacing: 0.02em;
}
.viz-caption {
  background: var(--bg-sunken); border-radius: 12px;
  padding: 14px 16px; display: grid; grid-template-rows: auto 1fr; gap: 8px;
}
.viz-caption .cap-meta { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--fg-3); font-family: var(--font-mono); }
.viz-caption .cap-meta .tag { padding: 2px 7px; border-radius: 4px; background: var(--bg-muted); color: var(--fg-2); font-weight: 600; }
.viz-caption .cap-text { font-size: 18px; line-height: 1.35; color: var(--fg-1); font-weight: 500; letter-spacing: -0.01em; }
.viz-caption .cap-text .word { display: inline-block; transition: color .2s, opacity .2s; opacity: 0.42; }
.viz-caption .cap-text .word.said { opacity: 1; color: var(--fg-1); }
.viz-caption .cap-text .word.now {
  color: var(--accent-deep); opacity: 1;
  background: var(--accent-chip); border-radius: 4px; padding: 0 3px; margin: 0 -3px;
}

.viz-toolbar { position: absolute; left: 22px; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 10px; }
.viz-play {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--fg-1); color: var(--bg-app); border: 0;
  display: inline-flex; align-items: center; justify-content: center;
}
.viz-scrub { flex: 1; height: 4px; border-radius: 2px; background: var(--bg-muted); position: relative; cursor: pointer; }
.viz-scrub .fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent); border-radius: 2px; }
.viz-scrub .thumb {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 14px; height: 14px; border-radius: 50%; background: var(--fg-1);
  box-shadow: 0 2px 6px rgba(0,0,0,.2);
}
.viz-formats {
  display: inline-flex; gap: 4px; padding: 3px;
  background: var(--bg-muted); border-radius: 999px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.05em;
}
.viz-formats span { padding: 4px 8px; color: var(--fg-3); border-radius: 999px; }
.viz-formats span.on { background: var(--bg-elevated); color: var(--fg-1); }

/* ---------- Value cards ---------------------------------------------------- */
.cs-value-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 48px; }
.cs-value-card {
  grid-column: span 2; background: var(--bg-elevated);
  border: 1px solid var(--border-subtle); border-radius: 16px;
  padding: 28px 26px 26px;
  display: flex; flex-direction: column; gap: 14px;
  min-height: 210px;
  transition: border-color .2s, transform .2s;
}
.cs-value-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.cs-value-card:nth-child(4) { grid-column: 2 / span 2; }
.cs-value-card:nth-child(5) { grid-column: span 2; }
.cs-value-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); font-weight: 600; letter-spacing: 0.1em; }
.cs-value-t { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; color: var(--fg-1); margin: 0; }
.cs-value-d { font-size: 14px; color: var(--fg-2); line-height: 1.5; margin: 0; }
@media (max-width: 980px) {
  .cs-value-grid { grid-template-columns: 1fr 1fr; }
  .cs-value-card, .cs-value-card:nth-child(4), .cs-value-card:nth-child(5) { grid-column: auto; }
}

/* ---------- Features list -------------------------------------------------- */
.cs-features { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 36px; }
@media (max-width: 820px) { .cs-features { grid-template-columns: 1fr; gap: 24px; } }
.cs-features ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.cs-features li {
  display: grid; grid-template-columns: 24px 1fr; gap: 14px;
  padding: 18px 0; align-items: start;
  border-top: 1px solid var(--border-hair);
  font-size: 16px; color: var(--fg-1); line-height: 1.4;
}
.cs-features li:last-child { border-bottom: 1px solid var(--border-hair); }
.cs-features li .tick {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent-chip); color: var(--accent-deep);
  display: inline-flex; align-items: center; justify-content: center;
}

/* ---------- Signature ------------------------------------------------------ */
.cs-signature { background: var(--bg-invert); color: var(--fg-invert); padding: 120px 24px; position: relative; overflow: hidden; }
.cs-shell[data-cs-theme="dark"] .cs-signature { background: #050811; }
.cs-signature-inner { max-width: var(--cs-max-narrow); margin: 0 auto; text-align: left; position: relative; }
.cs-signature h2 {
  margin: 0; font-size: clamp(44px, 7.5vw, 104px); line-height: 0.95;
  font-weight: 600; letter-spacing: -0.035em; color: #ffffff;
}
.cs-signature h2 .muted { color: rgba(255,255,255,0.35); }
.cs-signature h2 .accent { color: var(--accent); }
.cs-signature-post {
  margin-top: 28px; font-family: var(--font-caveat);
  font-size: 28px; color: rgba(255,255,255,.7);
  transform: rotate(-2deg); display: inline-block;
}
.cs-signature-marks {
  position: absolute; inset: 0; opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.6) 1px, transparent 1px);
  background-size: 48px 48px; pointer-events: none;
}

/* ---------- Positioning ---------------------------------------------------- */
.cs-position { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; align-items: start; }
.cs-position-body {
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.3; color: var(--fg-1);
  letter-spacing: -0.015em; text-wrap: pretty;
}
.cs-position-body em { color: var(--accent); font-style: normal; }
@media (max-width: 820px) { .cs-position { grid-template-columns: 1fr; gap: 24px; } }

/* ---------- Use cases ------------------------------------------------------ */
.cs-usecases {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 12px; margin-top: 40px; counter-reset: uc;
}
.cs-usecase {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 14px; padding: 22px 20px;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 170px; position: relative; counter-increment: uc;
  transition: border-color .2s, background .2s;
}
.cs-usecase::before {
  content: counter(uc, decimal-leading-zero);
  position: absolute; top: 16px; right: 18px;
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-3);
}
.cs-usecase:hover { border-color: var(--accent); background: var(--accent-soft); }
.cs-usecase h4 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.cs-usecase p { margin: 0; font-size: 13px; color: var(--fg-2); line-height: 1.5; }
@media (max-width: 1000px) { .cs-usecases { grid-template-columns: 1fr 1fr; } }

/* ---------- Users band ----------------------------------------------------- */
.cs-users-band {
  background: var(--bg-sunken);
  border-top: 1px solid var(--border-hair);
  border-bottom: 1px solid var(--border-hair);
  padding: 64px 24px; overflow: hidden;
}
.cs-users-inner { max-width: var(--cs-max); margin: 0 auto; display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: center; }
.cs-users-inner h3 { font-size: 22px; margin: 0; font-weight: 600; letter-spacing: -0.01em; }
.cs-users-marquee { display: flex; gap: 10px; flex-wrap: wrap; }
.cs-user-chip {
  padding: 10px 16px; border-radius: 999px;
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  font-size: 14px; color: var(--fg-1); font-weight: 500;
}
@media (max-width: 820px) { .cs-users-inner { grid-template-columns: 1fr; gap: 20px; } }

/* ---------- FAQ ------------------------------------------------------------ */
.cs-faq { max-width: 780px; margin: 40px auto 0; }
.cs-faq-item { border-top: 1px solid var(--border-subtle); }
.cs-faq-item:last-child { border-bottom: 1px solid var(--border-subtle); }
.cs-faq-q {
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  padding: 22px 4px; cursor: pointer;
  font-size: 17px; font-weight: 500; letter-spacing: -0.01em;
  color: var(--fg-1); background: transparent; border: 0; text-align: left; width: 100%;
}
.cs-faq-q .chev {
  width: 28px; height: 28px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-muted); color: var(--fg-1);
  transition: transform .2s, background .2s;
}
.cs-faq-item.open .cs-faq-q .chev { transform: rotate(45deg); background: var(--accent); color: #0a2818; }
.cs-faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .3s var(--ease-standard), padding .3s var(--ease-standard);
  color: var(--fg-2); font-size: 15px; line-height: 1.55;
}
.cs-faq-item.open .cs-faq-a { max-height: 260px; padding: 0 4px 24px; }

/* ---------- Footer --------------------------------------------------------- */
.cs-footer { background: var(--bg-invert); color: #ffffff; padding: 72px 24px 40px; }
.cs-shell[data-cs-theme="dark"] .cs-footer { background: #050811; }
.cs-footer-inner { max-width: var(--cs-max); margin: 0 auto; display: grid; grid-template-columns: 1.3fr 2fr; gap: 64px; }
.cs-footer-brand .cs-footer-brandmark { display: flex; align-items: center; gap: 10px; }
.cs-footer-brand .cs-logo-name { color: #fff; font-size: 16px; font-weight: 600; }
.cs-footer-brand .cs-logo-sub { color: rgba(255,255,255,.55); font-size: 12px; margin-top: 4px; }
.cs-footer-blurb { color: rgba(255,255,255,.6); font-size: 14px; line-height: 1.55; margin-top: 16px; max-width: 320px; }
.cs-footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.cs-footer-cols > div { display: flex; flex-direction: column; gap: 10px; }
.cs-footer-cols a { color: rgba(255,255,255,.65); font-size: 14px; transition: color .2s; }
.cs-footer-cols a:hover { color: #fff; }
.cs-footer-h { color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 6px; letter-spacing: 0.02em; }
.cs-footer-rule { max-width: var(--cs-max); margin: 48px auto 24px; border-top: 1px solid rgba(255,255,255,.08); }
.cs-footer-foot { max-width: var(--cs-max); margin: 0 auto; display: flex; justify-content: space-between; color: rgba(255,255,255,.45); font-size: 12px; }
.cs-footer-domain { font-family: var(--font-mono); letter-spacing: 0.04em; }
@media (max-width: 820px) { .cs-footer-inner { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Demo preview --------------------------------------------------- */
.cs-demo-wrap {
  margin-top: 48px; padding: 0;
  background: var(--bg-sunken); border-radius: 24px;
  border: 1px solid var(--border-subtle); overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.cs-demo-chrome {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; background: var(--bg-muted);
  border-bottom: 1px solid var(--border-hair);
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-3);
}
.cs-demo-chrome .dots { display: inline-flex; gap: 5px; }
.cs-demo-chrome .dots i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.cs-demo-chrome .dots i:nth-child(1) { background: #ff5f57; }
.cs-demo-chrome .dots i:nth-child(2) { background: #febc2e; }
.cs-demo-chrome .dots i:nth-child(3) { background: #28c840; }
.cs-demo-chrome .url { margin-left: auto; }

/* ---------- HUB styles ----------------------------------------------------- */
.cs-hub { display: grid; grid-template-columns: 320px 1fr; min-height: calc(100vh - 68px); }
@media (max-width: 960px) { .cs-hub { grid-template-columns: 1fr; } }
.cs-hub-sidebar {
  border-right: 1px solid var(--border-hair);
  background: var(--bg-surface);
  padding: 28px 20px;
  display: flex; flex-direction: column; gap: 18px;
  min-height: 100%;
}
.cs-hub-main { padding: 40px 48px 80px; max-width: 1080px; width: 100%; }
@media (max-width: 720px) { .cs-hub-main { padding: 24px; } }

.hub-title { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; margin: 0; color: var(--fg-1); }
.hub-sub { margin: 8px 0 0; color: var(--fg-2); font-size: 15px; line-height: 1.55; max-width: 620px; }

/* Dropzone */
.dropzone {
  margin-top: 32px;
  border: 1.5px dashed var(--border-default);
  border-radius: 16px; background: var(--bg-elevated);
  padding: 48px 32px; text-align: center;
  transition: border-color .2s, background .2s;
  position: relative; overflow: hidden;
}
.dropzone.is-drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  border-radius: 16px; background: var(--accent-chip); color: var(--accent-deep);
  display: inline-flex; align-items: center; justify-content: center;
}
.dropzone h3 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; color: var(--fg-1); }
.dropzone h3 b { color: var(--accent); font-weight: 700; }
.dropzone p { margin: 10px 0 0; font-size: 14px; color: var(--fg-3); }
.dropzone-formats { margin-top: 22px; font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.04em; }

/* Options */
.hub-options { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hub-option {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 14px; border: 1px solid var(--border-subtle);
  border-radius: 10px; background: var(--bg-elevated);
  font-size: 14px; cursor: pointer; user-select: none;
  transition: border-color .2s, background .2s;
}
.hub-option:hover { border-color: var(--accent); }
.hub-option.is-on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-deep); }
.hub-option input { display: none; }
.hub-option .box {
  width: 18px; height: 18px; border-radius: 5px;
  border: 1.5px solid var(--border-default);
  display: inline-flex; align-items: center; justify-content: center;
  color: transparent;
  transition: background .2s, border-color .2s, color .2s;
}
.hub-option.is-on .box { background: var(--accent); border-color: var(--accent); color: #0a2818; }
.hub-primary-cta { margin-left: auto; }

/* Processing */
.hub-process {
  margin-top: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px; padding: 22px 22px 20px;
}
.hub-process-head { display: flex; align-items: center; gap: 14px; }
.hub-process-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.hub-process-name { font-weight: 600; font-size: 15px; color: var(--fg-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hub-process-sub { font-size: 12px; color: var(--fg-3); font-family: var(--font-mono); }
.hub-process-status {
  padding: 5px 10px; border-radius: 999px; background: var(--accent-chip); color: var(--accent-deep);
  font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
}
.hub-progress { margin-top: 18px; height: 6px; border-radius: 3px; background: var(--bg-muted); overflow: hidden; position: relative; }
.hub-progress .bar { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent); border-radius: 3px; transition: width .2s; }
.hub-progress-labels { margin-top: 8px; display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); }

.hub-steps {
  margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--border-hair); padding-top: 14px;
}
.hub-step { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--fg-3); }
.hub-step .num {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--border-default);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-family: var(--font-mono); color: var(--fg-3);
}
.hub-step.done .num { background: var(--accent); border-color: var(--accent); color: #0a2818; }
.hub-step.done { color: var(--fg-1); }
.hub-step.active .num { border-color: var(--accent); color: var(--accent); background: transparent; position: relative; }
.hub-step.active .num::before {
  content: ''; position: absolute; inset: -3px; border-radius: 50%;
  border: 2px solid var(--accent); opacity: 0.3;
  animation: cs-pulse 1.4s ease-in-out infinite;
}
.hub-step.active { color: var(--fg-1); font-weight: 600; }
@keyframes cs-pulse { 0%,100% { transform: scale(1); opacity: 0.3; } 50% { transform: scale(1.35); opacity: 0; } }

/* Result */
.hub-result {
  margin-top: 28px; background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px; overflow: hidden;
}
.hub-result-head { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--border-hair); flex-wrap: wrap; }
.hub-result-name { font-weight: 600; font-size: 15px; color: var(--fg-1); }
.hub-result-meta { font-size: 12px; color: var(--fg-3); font-family: var(--font-mono); }
.hub-result-actions { margin-left: auto; display: inline-flex; gap: 8px; flex-wrap: wrap; }
.hub-tabs {
  display: flex; gap: 2px; padding: 10px 14px 0;
  border-bottom: 1px solid var(--border-hair);
  overflow-x: auto;
}
.hub-tab {
  padding: 10px 14px; font-size: 13px; font-weight: 500;
  color: var(--fg-3); border-bottom: 2px solid transparent;
  background: transparent; border-radius: 0; border-top: 0; border-left: 0; border-right: 0;
  font-family: var(--font-mono); letter-spacing: 0.04em; white-space: nowrap;
}
.hub-tab.is-on { color: var(--fg-1); border-bottom-color: var(--accent); }
.hub-code {
  padding: 20px 22px; font-family: var(--font-mono);
  font-size: 13px; line-height: 1.7;
  color: var(--fg-1); background: var(--bg-sunken);
  max-height: 420px; overflow: auto; white-space: pre;
  margin: 0;
}
.hub-code .tok-num { color: var(--purple-400); }
.hub-code .tok-time { color: var(--teal-500); }
.hub-code .tok-key { color: var(--orange-400); }
.hub-code .tok-str { color: var(--accent); }
.hub-code .tok-punct { color: var(--fg-3); }
.hub-code .row-head { color: var(--fg-3); }

/* History sidebar */
.history-h {
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-3); margin: 4px 0 0;
}
.history-note {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 12px 14px;
  background: var(--accent-soft); color: var(--accent-deep);
  border-radius: 10px; font-size: 12px; line-height: 1.45;
}
.history-note svg { flex-shrink: 0; margin-top: 1px; }
.history-list { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; }
.history-item {
  display: grid; grid-template-columns: 28px 1fr auto; gap: 10px;
  padding: 10px 12px; border: 1px solid var(--border-subtle);
  border-radius: 10px; background: var(--bg-elevated);
  cursor: pointer; transition: border-color .2s, background .2s; align-items: center;
}
.history-item:hover, .history-item.is-on { border-color: var(--accent); background: var(--accent-soft); }
.history-icon { width: 28px; height: 28px; border-radius: 8px; background: var(--bg-muted); color: var(--fg-2); display: inline-flex; align-items: center; justify-content: center; }
.history-body { min-width: 0; }
.history-name { font-size: 13px; font-weight: 500; color: var(--fg-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-meta { font-size: 11px; color: var(--fg-3); font-family: var(--font-mono); display: flex; align-items: center; gap: 6px; margin-top: 2px; flex-wrap: wrap; }
.history-meta .pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 6px; border-radius: 999px; background: var(--bg-muted); color: var(--fg-2);
}
.history-meta .pill.warn { background: var(--orange-400); color: #2a1400; }
.history-meta .pill.danger { background: #fed7d7; color: #822727; }
.cs-shell[data-cs-theme="dark"] .history-meta .pill.danger { background: rgba(245,101,101,.2); color: #feb2b2; }
.history-actions { display: inline-flex; gap: 4px; }
.history-actions button {
  width: 26px; height: 26px; border-radius: 7px; border: 0;
  background: transparent; color: var(--fg-3);
  display: inline-flex; align-items: center; justify-content: center;
}
.history-actions button:hover { background: var(--bg-muted); color: var(--fg-1); }
.history-empty {
  padding: 18px; text-align: center; color: var(--fg-3); font-size: 13px;
  border: 1px dashed var(--border-default); border-radius: 10px;
}