/* ==========================================================
   FDE Matrix — Dynatech Brand Design System
   ========================================================== */

:root {
  --brand-navy: #1F2B61;
  --brand-navy-deep: #141F47;
  --brand-navy-light: #2A3E7E;
  --brand-gold: #F8B62D;
  --brand-gold-dark: #D69A1E;
  --brand-purple: #601986;
  --brand-teal: #009E9F;
  --brand-red: #E60044;
  --brand-deep-blue: #1D2088;

  --bg-page: #0E1936;
  --bg-surface: #142252;
  --bg-surface-light: #1E2D5E;
  --border-soft: #2A3E7E;
  --border-firm: #3D528E;
  --text-primary: #FFFFFF;
  --text-secondary: #C5D0E8;
  --text-muted: #8696BC;
  --text-dark: #1F2937;

  --success: #10B981;
  --error: #E60044;
  --warning: #F8B62D;

  --q-automate: #009E9F;
  --q-augment: #F8B62D;
  --q-agentic: #A855F7;
  --q-craft: #E60044;

  --font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "JetBrains Mono", Menlo, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .3);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, .5);
  --shadow-gold: 0 0 20px rgba(248, 182, 45, .3);

  --t-fast: .12s ease;
  --t-base: .2s ease;
  --t-slow: .4s ease;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  color: var(--text-primary);
  background:
    radial-gradient(circle at 18% 12%, rgba(96, 25, 134, .18), transparent 38%),
    radial-gradient(circle at 82% 88%, rgba(0, 158, 159, .14), transparent 40%),
    var(--bg-page);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.25; }
p { margin: 0; line-height: 1.6; }
a { color: var(--brand-gold); text-decoration: none; }

/* ---------- Layout ---------- */
.wrap { max-width: 1280px; margin: 0 auto; padding: 24px; }
.row { display: flex; gap: 12px; align-items: center; }
.row.wrap-r { flex-wrap: wrap; }
.spacer { flex: 1; }

/* ---------- Brand bar ---------- */
.brandbar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-navy-deep) 65%, #0A1230 100%);
  border-bottom: 3px solid var(--brand-gold);
  box-shadow: var(--shadow-md);
  position: relative; z-index: 5;
}
.brandbar .logo { height: 34px; width: auto; display: block; }
.brandbar .bname { font-size: 12px; letter-spacing: 3px; color: var(--brand-gold); font-weight: 700; }
.brandbar .bsub { font-size: 11px; letter-spacing: 1px; color: var(--text-secondary); }
.brandbar .ptitle { font-size: 15px; font-weight: 700; letter-spacing: .5px; }

/* ---------- Card ---------- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 20px;
}
.card-tight { padding: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 14px; font-weight: 700;
  border-radius: var(--radius-md);
  padding: 11px 22px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--t-fast);
  white-space: nowrap;
}
.btn-primary { background: var(--brand-gold); color: var(--brand-navy-deep); }
.btn-primary:hover { background: var(--brand-gold-dark); box-shadow: var(--shadow-gold); }
.btn-primary:disabled { background: #6b7280; color: #cbd5e1; cursor: not-allowed; box-shadow: none; }
.btn-ghost { background: transparent; color: var(--brand-gold); border-color: var(--brand-gold); }
.btn-ghost:hover { background: var(--brand-gold); color: var(--brand-navy-deep); }
.btn-soft { background: var(--bg-surface-light); color: var(--text-secondary); border-color: var(--border-soft); }
.btn-soft:hover { border-color: var(--border-firm); color: #fff; }
.btn-danger { background: transparent; color: var(--brand-red); border-color: var(--brand-red); }
.btn-danger:hover { background: var(--brand-red); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 12.5px; border-radius: var(--radius-sm); }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- Form ---------- */
label.fl { display: block; font-size: 13px; font-weight: 700; color: var(--text-secondary); margin-bottom: 7px; letter-spacing: .3px; }
.hint { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

input[type=text], input[type=number], select, textarea {
  width: 100%;
  font-family: inherit; font-size: 15px;
  color: var(--text-primary);
  background: var(--brand-navy-deep);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  transition: var(--t-fast);
  -webkit-appearance: none; appearance: none;
}
select {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238696BC' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; background-size: 18px;
  padding-right: 38px;
}
textarea { resize: vertical; min-height: 92px; line-height: 1.55; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand-gold); box-shadow: 0 0 0 3px rgba(248, 182, 45, .15); }
input::placeholder, textarea::placeholder { color: #5c6b93; }

/* ---------- Range slider ---------- */
input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 34px; background: transparent; cursor: grab; margin: 0;
}
input[type=range]:active { cursor: grabbing; }
input[type=range]::-webkit-slider-runnable-track {
  height: 10px; border-radius: 999px;
  background: linear-gradient(90deg, var(--brand-purple), var(--brand-navy-light) 45%, var(--brand-teal));
  border: 1px solid var(--border-soft);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 30px; height: 30px; margin-top: -11px;
  border-radius: 50%;
  background: var(--brand-gold);
  border: 3px solid var(--brand-navy-deep);
  box-shadow: 0 0 0 2px var(--brand-gold), var(--shadow-gold);
}
input[type=range]::-moz-range-track {
  height: 10px; border-radius: 999px;
  background: linear-gradient(90deg, var(--brand-purple), var(--brand-navy-light) 45%, var(--brand-teal));
}
input[type=range]::-moz-range-thumb {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--brand-gold); border: 3px solid var(--brand-navy-deep);
}

/* ---------- Chips / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; letter-spacing: .3px;
  padding: 5px 11px; border-radius: 999px;
  background: var(--bg-surface-light); color: var(--text-secondary);
  border: 1px solid var(--border-soft);
}
.chip.on { background: var(--brand-gold); color: var(--brand-navy-deep); border-color: var(--brand-gold); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }

.qbadge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 800; letter-spacing: .5px;
  padding: 5px 12px; border-radius: 999px;
  border: 1.5px solid currentColor;
}

/* ---------- Code pill ---------- */
.codepill {
  font-family: var(--font-mono); font-weight: 800;
  letter-spacing: 6px; font-size: 30px;
  color: var(--brand-gold);
  background: var(--brand-navy-deep);
  border: 2px dashed var(--brand-gold);
  border-radius: var(--radius-md);
  padding: 8px 10px 8px 16px; text-align: center;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-soft); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-firm); }

/* ---------- Toast ---------- */
#toast-host {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 26px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  background: linear-gradient(135deg, var(--brand-navy) 0%, var(--bg-surface-light) 100%);
  border: 1px solid var(--brand-gold);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  box-shadow: var(--shadow-gold);
  padding: 11px 20px; font-size: 14px; font-weight: 600;
  animation: toastIn .25s ease;
  max-width: 88vw;
}
.toast.err { border-color: var(--brand-red); box-shadow: 0 0 20px rgba(230, 0, 68, .3); }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Utility ---------- */
.mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }
.sec { color: var(--text-secondary); }
.center { text-align: center; }
.hide { display: none !important; }
.grid { display: grid; gap: 14px; }
.stat-n { font-size: 30px; font-weight: 800; line-height: 1; font-family: var(--font-mono); }
.stat-l { font-size: 11.5px; color: var(--text-muted); letter-spacing: .6px; margin-top: 6px; font-weight: 600; }