/* ============================================================================
   SIMULACRO BUILDER — V3 refactor (3D identity + premium feel)
   ----------------------------------------------------------------------------
   Sistema 3D unificado con skill-tree de learn:
   - Chips de área usan color de identidad canónico (--area-*)
   - Pills 3D con depth real (no flat backgrounds)
   - CTA premium (hereda btn-3d desde components/btn-3d.css)
   - Section nums con gradiente identity
   - Card con glow sutil y border premium
   ============================================================================ */

/* ── Page shell ─────────────────────────────────────────────── */
.sb-page {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--sp-2xl) var(--sp-md) var(--sp-3xl);
}

/* ── Back link ──────────────────────────────────────────────── */
.sb-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 12px;
  margin-left: -12px;
  border-radius: 10px;
  transition: color 180ms ease, background-color 180ms ease;
}
.sb-back:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--text-secondary) 8%, transparent);
}
.sb-back .material-symbols-outlined {
  font-size: 18px;
  transition: transform 200ms cubic-bezier(0.23, 1, 0.32, 1);
}
.sb-back:hover .material-symbols-outlined { transform: translateX(-2px); }

/* ── Header ─────────────────────────────────────────────────── */
.sb-header {
  margin-top: var(--sp-md);
  margin-bottom: var(--sp-2xl);
  position: relative;
}
.sb-title {
  font-size: clamp(1.5rem, 2.4vw, 1.95rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin: 0 0 8px;
  line-height: 1.15;
}
.sb-subtitle {
  font-size: 0.95rem;
  font-weight: 450;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.55;
  max-width: 56ch;
}

/* ── Card container (with subtle inner glow) ────────────────── */
.sb-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: var(--sp-xl);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.03),
    0 8px 24px -10px rgba(108, 43, 255, 0.08),
    0 24px 48px -20px rgba(108, 43, 255, 0.06);
  overflow: hidden;
}
.sb-card::before {
  /* radial glow accent — same family as pre-simulacro */
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 0% 0%, rgba(108, 43, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 100% 100%, rgba(0, 229, 255, 0.04) 0%, transparent 65%);
}
.sb-card > * { position: relative; z-index: 1; }

/* ── Section block ──────────────────────────────────────────── */
.sb-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sb-section + .sb-section {
  margin-top: var(--sp-xl);
  padding-top: var(--sp-xl);
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.sb-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sb-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--violet) 0%, color-mix(in srgb, var(--violet), #000 15%) 100%);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  box-shadow:
    0 2px 0 var(--violet-dark),
    0 3px 8px -2px rgba(108, 43, 255, 0.30),
    inset 0 -1px 2px rgba(0, 0, 0, 0.10),
    inset 0 1px 2px rgba(255, 255, 255, 0.25);
}
.sb-section-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.015em;
}
.sb-section-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: -4px;
  padding-left: 38px;
  line-height: 1.5;
  font-weight: 450;
}

/* ── Area chips (3D + identity color) ───────────────────────── */
.sb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-left: 38px;
}
.sb-chip {
  --chip-color: var(--violet);
  --chip-color-dark: var(--violet-dark);

  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px 9px 12px;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  position: relative;
  box-shadow:
    0 2px 0 color-mix(in srgb, var(--text-secondary), transparent 88%),
    0 1px 2px rgba(0, 0, 0, 0.02);
  transition:
    transform 180ms cubic-bezier(0.23, 1, 0.32, 1),
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}
.sb-chip .material-symbols-outlined {
  font-size: 18px;
  color: var(--chip-color);
  transition: color 180ms ease;
}
.sb-chip-count {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-secondary), transparent 88%);
  color: var(--text-secondary);
  min-width: 26px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  transition: background-color 180ms ease, color 180ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .sb-chip:hover:not([data-state="disabled"]):not([data-state="active"]) {
    border-color: color-mix(in srgb, var(--chip-color) 45%, transparent);
    background: color-mix(in srgb, var(--chip-color) 5%, var(--bg-white));
    color: var(--chip-color);
    transform: translateY(-2px);
    box-shadow:
      0 4px 0 color-mix(in srgb, var(--chip-color), transparent 80%),
      0 6px 14px -6px color-mix(in srgb, var(--chip-color), transparent 60%);
  }
  .sb-chip:hover .sb-chip-count {
    background: color-mix(in srgb, var(--chip-color) 10%, transparent);
    color: var(--chip-color);
  }
}

.sb-chip:active:not([data-state="disabled"]) {
  transform: translateY(1px);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--text-secondary), transparent 80%),
    0 1px 3px rgba(0, 0, 0, 0.04);
}

.sb-chip[data-state="active"] {
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--chip-color), #fff 18%) 0%,
    var(--chip-color) 55%,
    color-mix(in srgb, var(--chip-color), #000 10%) 100%);
  border-color: var(--chip-color);
  color: #fff;
  transform: translateY(-2px);
  box-shadow:
    0 5px 0 color-mix(in srgb, var(--chip-color), #000 35%),
    0 8px 22px -6px color-mix(in srgb, var(--chip-color), transparent 50%),
    inset 0 -2px 4px rgba(0, 0, 0, 0.10),
    inset 0 2px 4px rgba(255, 255, 255, 0.25);
}
.sb-chip[data-state="active"] .material-symbols-outlined {
  color: #fff;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.15));
}
.sb-chip[data-state="active"] .sb-chip-count {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}
.sb-chip[data-state="active"]:active {
  transform: translateY(2px);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--chip-color), #000 35%),
    0 2px 6px color-mix(in srgb, var(--chip-color), transparent 65%),
    inset 0 -1px 2px rgba(0, 0, 0, 0.10),
    inset 0 1px 2px rgba(255, 255, 255, 0.20);
}

.sb-chip[data-state="disabled"] {
  opacity: 0.55;
  cursor: not-allowed;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  box-shadow: none;
  filter: grayscale(0.3);
}
.sb-chip[data-state="disabled"] .material-symbols-outlined { color: var(--text-secondary); }
.sb-chip[data-state="disabled"] .sb-chip-count {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text-secondary);
}

/* ── Pills (difficulty + quantity) ──────────────────────────── */
.sb-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 38px;
}
.sb-pill {
  appearance: none;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--text-secondary);
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  min-width: 56px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  box-shadow:
    0 2px 0 color-mix(in srgb, var(--text-secondary), transparent 88%),
    0 1px 2px rgba(0, 0, 0, 0.02);
  transition:
    transform 180ms cubic-bezier(0.23, 1, 0.32, 1),
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}
@media (hover: hover) and (pointer: fine) {
  .sb-pill:hover:not([data-state="active"]) {
    color: var(--text-primary);
    border-color: color-mix(in srgb, var(--violet) 30%, var(--border));
    transform: translateY(-1px);
    box-shadow:
      0 3px 0 color-mix(in srgb, var(--text-secondary), transparent 78%),
      0 4px 10px -4px rgba(108, 43, 255, 0.10);
  }
}
.sb-pill:active:not([data-state="active"]) {
  transform: translateY(1px);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--text-secondary), transparent 80%),
    0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Difficulty pills get color shift per level */
.sb-pills--diff .sb-pill { min-width: 80px; }
.sb-pills--diff .sb-pill[data-diff="basico"]   { --pill-c: #22C55E; --pill-c-dark: #15803D; }
.sb-pills--diff .sb-pill[data-diff="medio"]    { --pill-c: #F59E0B; --pill-c-dark: #B45309; }
.sb-pills--diff .sb-pill[data-diff="avanzado"] { --pill-c: #EF4444; --pill-c-dark: #B91C1C; }
.sb-pills--diff .sb-pill[data-diff="mixto"]    { --pill-c: var(--violet); --pill-c-dark: var(--violet-dark); }
/* Quantity pills default to violet */
.sb-pills:not(.sb-pills--diff) .sb-pill { --pill-c: var(--violet); --pill-c-dark: var(--violet-dark); }

.sb-pill[data-state="active"] {
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--pill-c, var(--violet)), #fff 18%) 0%,
    var(--pill-c, var(--violet)) 55%,
    color-mix(in srgb, var(--pill-c, var(--violet)), #000 10%) 100%);
  border-color: var(--pill-c, var(--violet));
  color: #fff;
  transform: translateY(-2px);
  box-shadow:
    0 5px 0 var(--pill-c-dark, var(--violet-dark)),
    0 8px 22px -6px color-mix(in srgb, var(--pill-c, var(--violet)), transparent 50%),
    inset 0 -2px 4px rgba(0, 0, 0, 0.10),
    inset 0 2px 4px rgba(255, 255, 255, 0.25);
}
.sb-pill[data-state="active"]:active {
  transform: translateY(1px);
  box-shadow:
    0 2px 0 var(--pill-c-dark, var(--violet-dark)),
    0 2px 6px color-mix(in srgb, var(--pill-c, var(--violet)), transparent 65%),
    inset 0 -1px 2px rgba(0, 0, 0, 0.10),
    inset 0 1px 2px rgba(255, 255, 255, 0.20);
}

/* ── Summary card (live feedback) ───────────────────────────── */
.sb-summary {
  margin-top: var(--sp-xl);
  padding: 14px 18px;
  background: color-mix(in srgb, var(--violet) 3%, var(--bg-white));
  border: 1px solid color-mix(in srgb, var(--violet) 10%, transparent);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background-color 200ms ease, border-color 200ms ease;
}
.sb-summary strong {
  color: var(--text-primary);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.sb-summary-dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--text-secondary);
  opacity: 0.4;
  flex-shrink: 0;
}

/* ── Feedback card ──────────────────────────────────────────── */
.sb-feedback {
  margin-top: var(--sp-md);
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 0.86rem;
  line-height: 1.5;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid;
  animation: sb-fade-in 220ms cubic-bezier(0.23, 1, 0.32, 1);
}
.sb-feedback-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.sb-feedback-body { flex: 1; min-width: 0; }
.sb-feedback-title {
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 2px;
  font-size: 0.9rem;
}
.sb-feedback-text { margin: 0; color: var(--text-secondary); font-weight: 450; }

.sb-feedback--success {
  background: color-mix(in srgb, var(--green) 6%, var(--bg-white));
  border-color: color-mix(in srgb, var(--green) 25%, transparent);
}
.sb-feedback--success .sb-feedback-icon { color: var(--green); }
.sb-feedback--warn {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.25);
}
.sb-feedback--warn .sb-feedback-icon { color: #d97706; }
.sb-feedback--error {
  background: color-mix(in srgb, var(--red) 6%, var(--bg-white));
  border-color: color-mix(in srgb, var(--red) 25%, transparent);
}
.sb-feedback--error .sb-feedback-icon { color: var(--red); }

.sb-suggest-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.sb-suggest-chip {
  appearance: none;
  border: 1.5px solid color-mix(in srgb, currentColor 30%, transparent);
  background: var(--bg-white);
  color: var(--text-primary);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-family);
  cursor: pointer;
  box-shadow: 0 2px 0 color-mix(in srgb, var(--text-secondary), transparent 88%);
  transition:
    transform 160ms cubic-bezier(0.23, 1, 0.32, 1),
    background-color 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}
.sb-suggest-chip:hover {
  background: var(--text-primary);
  color: var(--bg-white);
  border-color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: 0 3px 0 var(--text-secondary);
}
.sb-suggest-chip:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--text-secondary); }

/* ── Quotas mini-grid ───────────────────────────────────────── */
.sb-quotas {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.sb-quota-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-variant-numeric: tabular-nums;
}
.sb-quota-chip strong { color: var(--text-primary); font-weight: 700; }

/* ── CTA — uses btn-3d btn-3d--violet btn-3d--lg btn-3d--block ──
   Layout overrides only — visual lives in components/btn-3d.css.
   The CTA element keeps its `sb-cta` class so JS hooks work. */
.sb-cta {
  margin-top: var(--sp-xl);
  width: 100%;
}
.sb-cta .material-symbols-outlined { font-size: 22px; }

.sb-cta-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 999px;
  animation: sb-spin 700ms linear infinite;
}

/* ── Disclaimer ─────────────────────────────────────────────── */
.sb-disclaimer {
  margin-top: var(--sp-md);
  text-align: center;
  font-size: 0.76rem;
  color: var(--text-secondary);
  line-height: 1.5;
  font-weight: 450;
}

/* ── Loading inline ─────────────────────────────────────────── */
.sb-loading-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.sb-loading-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--violet);
  animation: sb-pulse 1s cubic-bezier(0.23, 1, 0.32, 1) infinite;
}

/* ── Motion ─────────────────────────────────────────────────── */
@keyframes sb-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes sb-spin { to { transform: rotate(360deg); } }
@keyframes sb-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.3); }
}

@media (prefers-reduced-motion: reduce) {
  .sb-chip, .sb-pill, .sb-cta, .sb-back, .sb-back .material-symbols-outlined,
  .sb-suggest-chip {
    transition: none !important;
  }
  .sb-feedback { animation: none; }
  .sb-cta-spinner { animation-duration: 1.5s; }
  .sb-loading-dot::before { animation: none; opacity: 0.6; }
}

/* ── Dark mode ──────────────────────────────────────────────── */
[data-theme="dark"] .sb-card {
  background: var(--bg-white);
  border-color: var(--border);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.18),
    0 8px 24px -10px rgba(108, 43, 255, 0.18),
    0 24px 48px -20px rgba(108, 43, 255, 0.10);
}
[data-theme="dark"] .sb-card::before {
  background:
    radial-gradient(ellipse 70% 50% at 0% 0%, rgba(108, 43, 255, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 100% 100%, rgba(0, 229, 255, 0.06) 0%, transparent 65%);
}
[data-theme="dark"] .sb-chip {
  background: var(--bg-secondary);
  border-color: var(--border);
}
[data-theme="dark"] .sb-chip[data-state="disabled"] {
  background: rgba(255, 255, 255, 0.04);
}
[data-theme="dark"] .sb-pill { background: var(--bg-secondary); border-color: var(--border); }
[data-theme="dark"] .sb-summary {
  background: color-mix(in srgb, var(--violet) 8%, var(--bg-secondary));
  border-color: color-mix(in srgb, var(--violet) 18%, transparent);
}
[data-theme="dark"] .sb-quota-chip { background: var(--bg-secondary); }

/* ── Mobile ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .sb-page { padding: var(--sp-lg) var(--sp-md) var(--sp-2xl); }
  .sb-card {
    padding: var(--sp-lg);
    border-radius: 18px;
  }
  .sb-title { font-size: 1.45rem; }
  .sb-section + .sb-section { margin-top: var(--sp-lg); padding-top: var(--sp-lg); }
  .sb-section-num { width: 22px; height: 22px; font-size: 0.72rem; }
  .sb-section-hint, .sb-chips, .sb-pills { padding-left: 0; }
  .sb-chips { gap: 8px; }
  .sb-pills { gap: 6px; }
  .sb-pill { padding: 9px 14px; min-width: 0; flex: 1; }
  /* Difficulty: 2×2 grid so the longest label ("Avanzado") never gets
     squeezed below its text width like it did with equal flex columns. */
  .sb-pills--diff {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .sb-pills--diff .sb-pill { min-width: 0; width: 100%; flex: none; }
  .sb-summary { padding: 12px 14px; gap: 10px; font-size: 0.82rem; }
}

/* Reduce 3D depth on touch */
@media (pointer: coarse) {
  .sb-chip, .sb-pill, .sb-suggest-chip {
    box-shadow:
      0 1px 0 color-mix(in srgb, var(--text-secondary), transparent 88%),
      0 1px 2px rgba(0, 0, 0, 0.02);
  }
}

/* ══════════════════════════════════════════════════════════════════════
   v3: Mode badge + Slider continuo
   ══════════════════════════════════════════════════════════════════════ */

.sb-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(108, 43, 255, 0.12);
  color: var(--violet);
  margin-bottom: 12px;
  width: fit-content;
}

.sb-mode-badge .material-symbols-outlined { font-size: 16px; }

.sb-page[data-builder-mode="focal"] .sb-mode-badge {
  background: rgba(56, 189, 248, 0.14);
  color: #0284C7;
}

/* Slider continuo */
.sb-slider-wrap {
  position: relative;
  padding: 4px 0 8px;
}

.sb-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--violet), #F028D8);
  outline: none;
  cursor: pointer;
}

.sb-page[data-builder-mode="focal"] .sb-slider {
  background: linear-gradient(90deg, #38BDF8, #0284C7);
}

.sb-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--violet);
  box-shadow: 0 4px 12px rgba(108, 43, 255, 0.30);
  cursor: grab;
  transition: transform 120ms;
}

.sb-page[data-builder-mode="focal"] .sb-slider::-webkit-slider-thumb {
  border-color: #0284C7;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.30);
}

.sb-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.sb-slider::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.05); }

.sb-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--violet);
  box-shadow: 0 4px 12px rgba(108, 43, 255, 0.30);
  cursor: grab;
}

.sb-slider-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 700;
  letter-spacing: 0.3px;
}

.sb-slider-value {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--violet);
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

.sb-page[data-builder-mode="focal"] .sb-slider-value {
  color: #0284C7;
}

/* In focal mode, hide unused area chips that would confuse */
.sb-page[data-builder-mode="focal"] .sb-chip[data-state="active"] {
  --chip-color: #0284C7;
}