:root {
  --ink: #0E1526;
  --muted: rgba(28, 39, 64, 0.62);
  --accent: #4F46E5;       /* Claro indigo (identity kept; Meeting Scribe uses orange) */
  --accent-deep: #4338CA;
  --accent-2: #06B6D4;     /* cyan, decorative only */
  --primary-ink: #FFFFFF;
  --danger: #B42318;
  --ok: #047857;

  /* Liquid Glass surface tokens */
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --glass-soft: rgba(255, 255, 255, 0.38);
  --stroke: rgba(255, 255, 255, 0.6);   /* specular top edge */
  --hairline: rgba(15, 23, 42, 0.10);
  --blur: 22px;
  --radius: 22px;
  --radius-sm: 15px;
  --shadow: 0 10px 34px rgba(2, 6, 23, 0.14);
  --specular: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  --maxw: 640px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  /* soft colorful mesh so the glass has light to refract */
  background:
    radial-gradient(at 14% 10%, rgba(99, 102, 241, 0.55), transparent 46%),
    radial-gradient(at 86% 6%, rgba(6, 182, 212, 0.42), transparent 42%),
    radial-gradient(at 78% 88%, rgba(236, 72, 153, 0.30), transparent 46%),
    radial-gradient(at 8% 92%, rgba(59, 130, 246, 0.38), transparent 46%),
    #EEF1F8;
  background-attachment: fixed;
}

/* glass mixin applied via this list */
.card, .topbar, .output, .iconbtn, .tabs, input, textarea, select, #coach-output {
  backdrop-filter: blur(var(--blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
}

.skip {
  position: absolute; left: -999px; top: 0; background: #fff; color: var(--ink);
  padding: 10px 14px; border-radius: 10px; z-index: 10;
}
.skip:focus { left: 12px; top: 12px; }
.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;
}

.view { min-height: 100vh; display: none; }
.view:not([hidden]) { display: block; }

/* ---- auth / recovery centered card ---- */
#auth-view, #recovery-view { display: none; place-items: center; padding: 24px; padding-top: max(24px, env(safe-area-inset-top)); }
#auth-view:not([hidden]), #recovery-view:not([hidden]) { display: grid; }

.card {
  width: 100%; max-width: 390px;
  background: var(--glass-strong);
  border: 1px solid var(--stroke);
  border-radius: 28px;
  padding: 30px 26px;
  box-shadow: var(--shadow), var(--specular);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 22px; letter-spacing: -0.01em; }
.brand img { border-radius: 9px; box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35); }
.brand.small { font-size: 16px; }
h1 { font-size: 27px; margin: 18px 0 4px; letter-spacing: -0.02em; }
.muted { color: var(--muted); margin: 0 0 18px; }

.tabs {
  display: flex; gap: 4px; background: var(--glass-soft); border: 1px solid var(--stroke);
  padding: 4px; border-radius: 14px; margin-bottom: 18px;
}
.tab {
  flex: 1; border: 0; background: transparent; padding: 10px; border-radius: 11px;
  font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; transition: background .18s, color .18s;
}
.tab[aria-selected="true"] {
  background: var(--glass-strong); color: var(--ink);
  box-shadow: 0 2px 8px rgba(2, 6, 23, 0.12), var(--specular);
}

label { display: block; font-weight: 600; font-size: 14px; margin: 14px 0 6px; }
input, textarea, select {
  width: 100%; font: inherit; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--hairline); border-radius: var(--radius-sm);
  background: var(--glass);
}
input::placeholder, textarea::placeholder { color: rgba(28, 39, 64, 0.45); }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent), var(--specular);
}
textarea { resize: vertical; min-height: 120px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; margin-top: 16px; padding: 14px 18px;
  font: inherit; font-weight: 700; border: 0; border-radius: var(--radius); cursor: pointer;
  letter-spacing: -0.01em; transition: transform .12s ease, box-shadow .18s, filter .18s;
}
.btn.primary {
  color: var(--primary-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}
.btn.primary:hover { filter: brightness(1.05); }
.btn.primary:active { transform: scale(0.985); }
.btn.primary:disabled { opacity: 0.6; cursor: progress; }
.btn.big { font-size: 17px; padding: 16px; }

.linkbtn {
  background: none; border: 0; color: var(--accent-deep); font: inherit; font-weight: 600;
  cursor: pointer; padding: 10px 0; margin-top: 8px;
}
.linkbtn:hover { text-decoration: underline; }

.msg { min-height: 1.2em; margin: 12px 0 0; font-size: 14px; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }

/* ---- app shell ---- */
#app-view:not([hidden]), #profile-view:not([hidden]), #coach-view:not([hidden]) {
  display: flex; flex-direction: column; min-height: 100vh;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: max(12px, env(safe-area-inset-top)) 16px 12px;
  background: var(--glass);
  border-bottom: 1px solid var(--stroke);
  position: sticky; top: 0; z-index: 5;
  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.06);
}
.topnav { display: flex; gap: 6px; }
.iconbtn {
  background: var(--glass-strong); border: 1px solid var(--stroke); border-radius: 12px;
  padding: 9px 13px; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer;
  box-shadow: var(--specular); transition: filter .15s, transform .12s;
}
.iconbtn:hover { filter: brightness(1.04); }
.iconbtn:active { transform: scale(0.97); }
.iconbtn:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 40%, transparent); outline-offset: 2px; }

.improver { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 18px 16px 44px; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .controls { grid-template-columns: 1fr; } }
.field label { margin-top: 0; }

.output-head { display: flex; align-items: center; justify-content: space-between; margin-top: 24px; }
.output-head h2 { font-size: 18px; margin: 0; letter-spacing: -0.01em; }
.output, #coach-output {
  white-space: pre-wrap; word-wrap: break-word;
  background: var(--glass-strong); border: 1px solid var(--stroke); border-radius: 18px;
  padding: 18px; margin-top: 12px; line-height: 1.62;
  box-shadow: var(--shadow), var(--specular);
}

/* ---- library (folders + chats) ---- */
.lib-head { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; }
.lib-h { font-size: 18px; margin: 24px 0 4px; letter-spacing: -0.01em; }
.lib-head .lib-h { margin: 0; }
.lib-card {
  background: var(--glass-strong); border: 1px solid var(--stroke); border-radius: 16px;
  padding: 14px; margin: 10px 0; box-shadow: 0 6px 18px rgba(2,6,23,.08), var(--specular);
  backdrop-filter: blur(var(--blur)) saturate(180%); -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
}
.lib-card strong { display: block; margin-bottom: 8px; }
.folder-desc { min-height: 56px; }
.lib-actions { display: flex; gap: 14px; margin-top: 6px; }
.lib-actions .linkbtn { padding: 4px 0; }
.chat-snippet { color: var(--ink); margin-bottom: 8px; font-size: 14px; }
.chat-move { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.chat-move select { width: auto; flex: 1; padding: 8px 10px; }

/* spinner dots */
.dots::after { content: "…"; animation: dots 1.2s steps(4, end) infinite; }
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }

/* ---- accessibility: respect user reductions ---- */
@media (prefers-reduced-motion: reduce) {
  .dots::after { animation: none; content: "…"; }
  .btn, .iconbtn, .tab { transition: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .card, .topbar, .output, #coach-output, .lib-card, .iconbtn, .tabs, input, textarea, select {
    backdrop-filter: none; -webkit-backdrop-filter: none; background: #FFFFFF;
  }
  .tab[aria-selected="true"] { background: #F1F5F9; }
  body { background: #EEF1F8; }
}

/* ---- dark mode (Liquid Glass adapts) ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F2F5FB; --muted: rgba(226, 232, 240, 0.68);
    --glass: rgba(26, 28, 44, 0.52); --glass-strong: rgba(30, 33, 52, 0.66);
    --glass-soft: rgba(255, 255, 255, 0.06);
    --stroke: rgba(255, 255, 255, 0.14); --hairline: rgba(255, 255, 255, 0.12);
    --accent-deep: #A5B4FC;
  }
  body {
    background:
      radial-gradient(at 14% 10%, rgba(79, 70, 229, 0.45), transparent 46%),
      radial-gradient(at 86% 6%, rgba(6, 182, 212, 0.30), transparent 42%),
      radial-gradient(at 78% 90%, rgba(168, 85, 247, 0.30), transparent 46%),
      #070A14;
  }
  input::placeholder, textarea::placeholder { color: rgba(226, 232, 240, 0.4); }
  @media (prefers-reduced-transparency: reduce) {
    .card, .topbar, .output, #coach-output, .lib-card, .iconbtn, .tabs, input, textarea, select { background: #14182A; }
    body { background: #070A14; }
  }
}