/* ════════════════════════════════════════════════════════════════
   Query Forge — base.css
   Variables del tema, reset, tipografía, botones y componentes
   base (botones, select, toast).
   ════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Superficies — negro carbón con jerarquía de elevación */
  --bg:  #0c0c0e;
  --bg2: #141418;
  --bg3: #1c1c22;
  --border:   #26262c;
  --bord2:    #32323a;
  --border-rgb: 38,38,44;

  /* Acento marca (naranja) */
  --teal:     #fe4a23;
  --teal-rgb: 254,74,35;

  /* Texto — blanco dominante */
  --text:  #ffffff;
  --text2: #a0a0aa;
  --text2-rgb: 160,160,170;
  --muted: #5c5c66;
  --muted-rgb: 92,92,102;
  --muted2: #28282e;

  /* Estados (no se usan en MVP pero el cluster Forge los referencia) */
  --red:   #ff4d57;  --red-rgb:   255,77,87;
  --gold:  #ffb547;  --gold-rgb:  255,181,71;
  --green: #4dd68a;  --green-rgb: 77,214,138;

  /* Tipografía */
  --font-ui:   'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
  --font-data: 'SF Mono', 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --fw-semibold: 600;
  --fw-bold:     700;

  /* Radios */
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 18px;
  --radius-pill: 100px;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;

  /* Sombras profundas para el glass */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.25);
  --shadow-md: 0 6px 22px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.35);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.7), 0 6px 16px rgba(0,0,0,.45);

  --focus-ring: 0 0 0 3px rgba(var(--teal-rgb),.28);
  --tr: .15s ease;
}

/* ── Reset mínimo ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

/* Glow ambiental sutil — presencia de marca, no protagonismo */
body::before {
  content: "";
  position: fixed;
  top: -240px;
  left: -240px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(var(--teal-rgb),.10), transparent 65%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

/* Scrollbar — sutil, ancho fino */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--bord2);
  border-radius: var(--radius);
}

/* Focus visible global */
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ── Hero header del producto ─────────────────────────────── */
.v-hero {
  padding: 28px 36px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  position: relative;
  z-index: 1;
}
.v-hero-title {
  font-family: var(--font-ui);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--text);
  margin: 0 0 4px;
  display: inline-block;
  cursor: pointer;
  transition: color var(--tr);
  user-select: none;
}
.v-hero-title:hover {
  color: rgba(255,255,255,.78);
}
.v-hero-title:active {
  color: rgba(255,255,255,.65);
}
.v-hero-sub {
  font-family: var(--font-ui);
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

/* ── Botones Nivel B (CTA) — .btn-primary / .tlab-analyze-btn ─
   Único botón con tinte naranja. Gradient suave, sin lift, sin bold. */
.btn-primary,
.tlab-analyze-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #fff;
  font-family: var(--font-ui);
  font-weight: 500;
  letter-spacing: 0;
  font-size: 12.5px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: linear-gradient(180deg, rgba(var(--teal-rgb),.22), rgba(var(--teal-rgb),.10));
  border: 1px solid rgba(var(--teal-rgb),.32);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.08),
    0 1px 2px rgba(0,0,0,.25);
  transition: background var(--tr), border-color var(--tr), box-shadow var(--tr), transform var(--tr);
}
.btn-primary:hover,
.tlab-analyze-btn:hover {
  background: linear-gradient(180deg, rgba(var(--teal-rgb),.30), rgba(var(--teal-rgb),.14));
  border-color: rgba(var(--teal-rgb),.5);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.12),
    0 2px 6px rgba(var(--teal-rgb),.18);
}
.btn-primary:active,
.tlab-analyze-btn:active {
  transform: translateY(1px);
  box-shadow: inset 0 2px 4px rgba(0,0,0,.2);
}
.btn-primary svg, .btn-primary i,
.tlab-analyze-btn svg, .tlab-analyze-btn i {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  fill: none;
  opacity: .9;
}

/* ── Botones Nivel B secundarios — glass blanco ─────────────── */
.btn-secondary,
.tlab-extract-btn,
.forge-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 12.5px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.015));
  border: 1px solid rgba(255,255,255,.1);
  color: var(--text);
  transition: background var(--tr), border-color var(--tr), box-shadow var(--tr);
}
.btn-secondary:hover,
.tlab-extract-btn:hover,
.forge-copy-btn:hover {
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.035));
  border-color: rgba(255,255,255,.28);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.2),
    inset 0 -1px 0 rgba(0,0,0,.2),
    0 0 0 1px rgba(255,255,255,.06),
    0 6px 18px rgba(0,0,0,.4);
}
.btn-secondary svg, .btn-secondary i,
.tlab-extract-btn svg, .tlab-extract-btn i,
.forge-copy-btn svg, .forge-copy-btn i {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
}

button:disabled {
  opacity: .4;
  cursor: not-allowed;
}

/* ── Select unificado (lookback) ──────────────────────────── */
.u-select {
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--text);
  font-family: var(--font-data);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: border-color var(--tr), box-shadow var(--tr);
}
.u-select:hover {
  border-color: rgba(255,255,255,.18);
}
.u-select:focus {
  border-color: rgba(255,255,255,.28);
  box-shadow: 0 0 0 3px rgba(255,255,255,.06);
}

/* ── Input unificado (hermano de u-select para texto libre) ── */
.u-input {
  width: 100%;
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--text);
  font-family: var(--font-data);
  font-size: 12px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--tr), box-shadow var(--tr), background var(--tr);
}
.u-input:hover {
  border-color: rgba(255,255,255,.18);
}
.u-input:focus {
  border-color: rgba(255,255,255,.28);
  background: rgba(255,255,255,.04);
  box-shadow: 0 0 0 3px rgba(255,255,255,.06);
}
.u-input::placeholder {
  color: rgba(255,255,255,.28);
  font-family: var(--font-data);
}

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: linear-gradient(180deg, rgba(28,28,34,.92), rgba(20,20,24,.92));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--text);
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all .3s ease;
  pointer-events: none;
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.08),
    0 16px 48px rgba(0,0,0,.55);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast.ok  { border-color: rgba(var(--teal-rgb),.5); }
.toast.err { border-color: rgba(var(--red-rgb),.5); color: var(--red); }