/**
 * NeuroCore — Aurora Glass Frontend Styles v2.2
 *
 * Calm futurism: glass surfaces, cyan→indigo aurora accents,
 * dual theme (auto / dark / light), informative tiles + layout modes.
 *
 * @package NeuroCore
 * @since   2.2.0
 */

/* ========================================================================
   Design Tokens — Aurora Glass (dark default)
   ======================================================================== */

:root,
[data-nc-theme="dark"] {
  --nc-bg:           #070b12;
  --nc-bg-alt:       #0a101c;
  --nc-surface:      rgba(17, 24, 39, 0.72);
  --nc-surface-solid:#111827;
  --nc-surface-2:    rgba(26, 34, 53, 0.85);
  --nc-surface-3:    #1f2840;
  --nc-border:       rgba(148, 163, 184, 0.14);
  --nc-border-light: rgba(148, 163, 184, 0.28);
  --nc-text:         #f1f5f9;
  --nc-text-secondary: #94a3b8;
  --nc-text-muted:   #64748b;

  --nc-accent:       #22d3ee;
  --nc-accent-2:     #6366f1;
  --nc-accent-hover: #67e8f9;
  --nc-accent-soft:  rgba(34, 211, 238, 0.10);
  --nc-accent-glow:  rgba(34, 211, 238, 0.22);
  --nc-success:      #34d399;
  --nc-success-soft: rgba(52, 211, 153, 0.12);
  --nc-warning:      #fbbf24;
  --nc-warning-soft: rgba(251, 191, 36, 0.12);
  --nc-danger:       #f87171;
  --nc-danger-soft:  rgba(248, 113, 113, 0.12);
  --nc-info:         #38bdf8;
  --nc-info-soft:    rgba(56, 189, 248, 0.12);
  --nc-pink:         #f472b6;
  --nc-pink-soft:    rgba(244, 114, 182, 0.12);

  --nc-gradient-1: linear-gradient(135deg, #06b6d4 0%, #6366f1 55%, #8b5cf6 100%);
  --nc-gradient-2: linear-gradient(135deg, #10b981, #06b6d4);
  --nc-gradient-3: linear-gradient(135deg, #f59e0b, #ef4444);
  --nc-gradient-card: linear-gradient(165deg, rgba(34,211,238,0.07) 0%, transparent 42%);
  --nc-gradient-hero: linear-gradient(135deg, rgba(6,182,212,0.10), rgba(99,102,241,0.06), rgba(139,92,246,0.05));
  --nc-glass:        blur(18px) saturate(1.35);
  --nc-aurora:       radial-gradient(120% 80% at 10% 0%, rgba(34,211,238,0.12), transparent 50%),
                     radial-gradient(90% 60% at 100% 10%, rgba(99,102,241,0.10), transparent 45%);

  --nc-radius:       18px;
  --nc-radius-lg:    22px;
  --nc-radius-sm:    12px;
  --nc-radius-xs:    8px;

  --nc-shadow-sm:    0 1px 2px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.03);
  --nc-shadow:       0 8px 32px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.04);
  --nc-shadow-lg:    0 20px 56px rgba(0,0,0,0.45);
  --nc-transition:   0.28s cubic-bezier(0.22, 1, 0.36, 1);

  --nc-font:         'Segoe UI Variable', 'Segoe UI', 'SF Pro Display', system-ui, sans-serif;
}

/* Light theme */
[data-nc-theme="light"] {
  --nc-bg:           #f4f7fb;
  --nc-bg-alt:       #eef2f7;
  --nc-surface:      rgba(255, 255, 255, 0.78);
  --nc-surface-solid:#ffffff;
  --nc-surface-2:    rgba(241, 245, 249, 0.92);
  --nc-surface-3:    #e2e8f0;
  --nc-border:       rgba(15, 23, 42, 0.08);
  --nc-border-light: rgba(15, 23, 42, 0.14);
  --nc-text:         #0f172a;
  --nc-text-secondary: #475569;
  --nc-text-muted:   #64748b;

  --nc-accent:       #0891b2;
  --nc-accent-2:     #4f46e5;
  --nc-accent-hover: #0e7490;
  --nc-accent-soft:  rgba(8, 145, 178, 0.10);
  --nc-accent-glow:  rgba(8, 145, 178, 0.18);
  --nc-success:      #059669;
  --nc-success-soft: rgba(5, 150, 105, 0.10);
  --nc-warning:      #d97706;
  --nc-warning-soft: rgba(217, 119, 6, 0.10);
  --nc-danger:       #dc2626;
  --nc-danger-soft:  rgba(220, 38, 38, 0.10);
  --nc-info:         #0284c7;
  --nc-info-soft:    rgba(2, 132, 199, 0.10);
  --nc-pink:         #db2777;
  --nc-pink-soft:    rgba(219, 39, 119, 0.10);

  --nc-gradient-1: linear-gradient(135deg, #0891b2 0%, #4f46e5 100%);
  --nc-gradient-2: linear-gradient(135deg, #059669, #0891b2);
  --nc-gradient-card: linear-gradient(165deg, rgba(8,145,178,0.06) 0%, transparent 42%);
  --nc-gradient-hero: linear-gradient(135deg, rgba(8,145,178,0.08), rgba(79,70,229,0.05));
  --nc-aurora:       radial-gradient(120% 80% at 10% 0%, rgba(8,145,178,0.08), transparent 50%),
                     radial-gradient(90% 60% at 100% 10%, rgba(79,70,229,0.07), transparent 45%);

  --nc-shadow-sm:    0 1px 2px rgba(15,23,42,0.06), 0 0 0 1px rgba(15,23,42,0.04);
  --nc-shadow:       0 10px 36px rgba(15,23,42,0.10), 0 0 0 1px rgba(15,23,42,0.05);
  --nc-shadow-lg:    0 24px 60px rgba(15,23,42,0.14);
}

/* auto → follow OS until JS resolves to dark/light */
@media (prefers-color-scheme: light) {
  [data-nc-theme="auto"] {
    --nc-bg:           #f4f7fb;
    --nc-bg-alt:       #eef2f7;
    --nc-surface:      rgba(255, 255, 255, 0.78);
    --nc-surface-solid:#ffffff;
    --nc-surface-2:    rgba(241, 245, 249, 0.92);
    --nc-surface-3:    #e2e8f0;
    --nc-border:       rgba(15, 23, 42, 0.08);
    --nc-border-light: rgba(15, 23, 42, 0.14);
    --nc-text:         #0f172a;
    --nc-text-secondary: #475569;
    --nc-text-muted:   #64748b;
    --nc-accent:       #0891b2;
    --nc-accent-2:     #4f46e5;
    --nc-accent-hover: #0e7490;
    --nc-accent-soft:  rgba(8, 145, 178, 0.10);
    --nc-accent-glow:  rgba(8, 145, 178, 0.18);
    --nc-success:      #059669;
    --nc-success-soft: rgba(5, 150, 105, 0.10);
    --nc-warning:      #d97706;
    --nc-warning-soft: rgba(217, 119, 6, 0.10);
    --nc-danger:       #dc2626;
    --nc-danger-soft:  rgba(220, 38, 38, 0.10);
    --nc-info:         #0284c7;
    --nc-info-soft:    rgba(2, 132, 199, 0.10);
    --nc-gradient-1: linear-gradient(135deg, #0891b2 0%, #4f46e5 100%);
    --nc-gradient-2: linear-gradient(135deg, #059669, #0891b2);
    --nc-gradient-card: linear-gradient(165deg, rgba(8,145,178,0.06) 0%, transparent 42%);
    --nc-shadow-sm:    0 1px 2px rgba(15,23,42,0.06), 0 0 0 1px rgba(15,23,42,0.04);
    --nc-shadow:       0 10px 36px rgba(15,23,42,0.10), 0 0 0 1px rgba(15,23,42,0.05);
    --nc-shadow-lg:    0 24px 60px rgba(15,23,42,0.14);
  }
}

/* ========================================================================
   Reset
   ======================================================================== */

.nc-card, .nc-top5, .nc-catalog, .nc-compare, .nc-ranking, .nc-quiz,
.nc-promo, .nc-search, .nc-grid, .nc-tile, .nc-toolbar {
  font-family: var(--nc-font);
  color: var(--nc-text);
  line-height: 1.65;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}
.nc-card *, .nc-top5 *, .nc-catalog *, .nc-compare *, .nc-ranking *,
.nc-quiz *, .nc-promo *, .nc-search *, .nc-grid *, .nc-tile *, .nc-toolbar * {
  box-sizing: border-box;
}

/* ========================================================================
   Badges
   ======================================================================== */

.nc-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 30px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}
.nc-badge--default   { background: var(--nc-surface-3); color: var(--nc-text-secondary); }
.nc-badge--price     { background: var(--nc-success-soft); color: var(--nc-success); border: 1px solid rgba(16,185,129,0.2); }
.nc-badge--success   { background: var(--nc-success-soft); color: var(--nc-success); border: 1px solid rgba(16,185,129,0.2); }
.nc-badge--danger    { background: var(--nc-danger-soft); color: var(--nc-danger); border: 1px solid rgba(239,68,68,0.2); }
.nc-badge--warning   { background: var(--nc-warning-soft); color: var(--nc-warning); border: 1px solid rgba(245,158,11,0.2); }
.nc-badge--info      { background: var(--nc-info-soft); color: var(--nc-info); border: 1px solid rgba(6,182,212,0.2); }
.nc-badge--accent    { background: var(--nc-accent-soft); color: var(--nc-accent); border: 1px solid rgba(99,102,241,0.2); }
.nc-badge--new       { background: var(--nc-pink-soft); color: var(--nc-pink); border: 1px solid rgba(236,72,153,0.2); }
.nc-badge--hot       { background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(245,158,11,0.15)); color: var(--nc-warning); border: 1px solid rgba(245,158,11,0.25); }

/* ========================================================================
   Buttons
   ======================================================================== */

.nc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 26px;
  border: none;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--nc-transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.nc-btn--primary {
  background: var(--nc-gradient-1);
  color: #fff;
  box-shadow: 0 4px 16px var(--nc-accent-glow);
}
.nc-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.35);
}
.nc-btn--outline {
  background: transparent;
  border: 1.5px solid var(--nc-border-light);
  color: var(--nc-text-secondary);
}
.nc-btn--outline:hover {
  border-color: var(--nc-accent);
  color: var(--nc-accent);
  background: var(--nc-accent-soft);
}
.nc-btn--block { display: flex; width: 100%; }
.nc-btn--sm { padding: 7px 16px; font-size: 0.82rem; border-radius: 10px; }
.nc-btn--lg { padding: 15px 34px; font-size: 1rem; border-radius: 14px; }
.nc-btn--white {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--nc-text);
}
.nc-btn--white:hover { background: rgba(255,255,255,0.12); }

/* ========================================================================
   Stars
   ======================================================================== */

.nc-stars {
  display: inline-flex;
  gap: 2px;
  color: var(--nc-warning);
  font-size: 1.1rem;
  line-height: 1;
}
.nc-stars--sm { font-size: 0.88rem; }
.nc-stars--lg { font-size: 1.3rem; }
.nc-star--empty { color: var(--nc-border); opacity: 0.6; }

/* ========================================================================
   Utility
   ======================================================================== */

.nc-text-success { color: var(--nc-success); }
.nc-text-danger  { color: var(--nc-danger); }
.nc-text-muted   { color: var(--nc-text-muted); }

.nc-link-muted {
  color: var(--nc-text-muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color var(--nc-transition);
}
.nc-link-muted:hover { color: var(--nc-accent); }

.nc-list {
  margin: 6px 0 0;
  padding-left: 18px;
  color: var(--nc-text-secondary);
  list-style: none;
}
.nc-list li { margin-bottom: 4px; position: relative; padding-left: 16px; }
.nc-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--nc-accent);
}
.nc-list--sm { font-size: 0.85rem; }

/* ========================================================================
   Empty / Error
   ======================================================================== */

.nc-empty, .nc-error {
  text-align: center;
  padding: 48px 20px;
  background: var(--nc-surface);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius);
  color: var(--nc-text-muted);
  font-size: 0.95rem;
}
.nc-error { border-color: rgba(239,68,68,0.3); color: var(--nc-danger); }

/* ========================================================================
   Spinner
   ======================================================================== */

.nc-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--nc-border);
  border-top-color: var(--nc-accent);
  border-radius: 50%;
  animation: nc-spin 0.6s linear infinite;
  margin: 0 auto 14px;
}
@keyframes nc-spin { to { transform: rotate(360deg); } }

/* ========================================================================
   SECTION HEADER
   ======================================================================== */

.nc-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.nc-section-title {
  font-size: 1.6rem;
  font-weight: 750;
  letter-spacing: -0.5px;
  margin: 0;
  background: linear-gradient(135deg, var(--nc-text), var(--nc-text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nc-section-subtitle {
  font-size: 0.88rem;
  color: var(--nc-text-muted);
}

/* ========================================================================
   RANKING TABLE — [ai_ranking] (Bookmaker-style)
   ======================================================================== */

.nc-ranking {
  margin: 28px 0;
}
.nc-ranking__intro {
  margin-bottom: 20px;
}
.nc-ranking__intro p {
  color: var(--nc-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* Desktop table */
.nc-ranking__table {
  display: none;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}
@media (min-width: 769px) {
  .nc-ranking__table { display: table; }
}

.nc-ranking__table thead th {
  padding: 10px 16px;
  text-align: left;
  color: var(--nc-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 2px solid var(--nc-border);
}
.nc-ranking__table thead th:first-child { padding-left: 24px; }
.nc-ranking__table thead th:last-child { text-align: center; padding-right: 24px; }

/* Table Row */
.nc-ranking__row {
  transition: all var(--nc-transition);
}
.nc-ranking__row td {
  padding: 20px 16px;
  background: var(--nc-surface);
  vertical-align: middle;
}
.nc-ranking__row td:first-child { border-radius: var(--nc-radius) 0 0 var(--nc-radius); padding-left: 24px; }
.nc-ranking__row td:last-child { border-radius: 0 var(--nc-radius) var(--nc-radius) 0; padding-right: 24px; text-align: center; }

.nc-ranking__row:hover td {
  background: var(--nc-surface-2);
  transform: translateX(2px);
}
.nc-ranking__row:hover {
  box-shadow: 0 0 0 1px var(--nc-accent-glow);
}

/* Row: Position */
.nc-ranking__pos {
  width: 48px;
  text-align: center;
}
.nc-ranking__pos-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 800;
}
.nc-ranking__pos--1 { background: linear-gradient(135deg, #f59e0b, #fbbf24); color: #000; }
.nc-ranking__pos--2 { background: linear-gradient(135deg, #94a3b8, #cbd5e1); color: #000; }
.nc-ranking__pos--3 { background: linear-gradient(135deg, #d97706, #92400e); color: #fff; }
.nc-ranking__pos--default { background: var(--nc-surface-3); color: var(--nc-text-muted); }

/* Row: Service info */
.nc-ranking__info {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.nc-ranking__logo {
  width: 52px; height: 52px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--nc-surface-2);
  border: 1px solid var(--nc-border);
}
.nc-ranking__name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--nc-text);
  text-decoration: none;
  display: block;
  margin-bottom: 3px;
}
.nc-ranking__name:hover { color: var(--nc-accent); }
.nc-ranking__name-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* Row: Rating cell */
.nc-ranking__rating {
  text-align: center;
  min-width: 80px;
}
.nc-ranking__rating-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--nc-text);
  display: block;
  margin-bottom: 3px;
}
.nc-ranking__rating-text {
  font-size: 0.75rem;
  color: var(--nc-text-muted);
}

/* Row: Price cell */
.nc-ranking__price {
  min-width: 100px;
}
.nc-ranking__price-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--nc-success);
  display: block;
}
.nc-ranking__price-label {
  font-size: 0.75rem;
  color: var(--nc-text-muted);
  margin-top: 2px;
}

/* Row: Features cell */
.nc-ranking__features {
  max-width: 280px;
}
.nc-ranking__features-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nc-ranking__feature {
  font-size: 0.82rem;
  color: var(--nc-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nc-ranking__feature::before {
  content: '✓';
  color: var(--nc-success);
  font-weight: 700;
  font-size: 0.8rem;
}

/* Row: CTA cell */
.nc-ranking__cta .nc-btn {
  min-width: 140px;
}

/* ========================================================================
   RANKING MOBILE CARDS
   ======================================================================== */

.nc-ranking__mobile {
  display: grid;
  gap: 12px;
}
@media (min-width: 769px) {
  .nc-ranking__mobile { display: none; }
}

.nc-ranking__mcard {
  background: var(--nc-surface);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius);
  padding: 18px;
  transition: all var(--nc-transition);
}
.nc-ranking__mcard:hover {
  border-color: var(--nc-accent);
  box-shadow: var(--nc-shadow);
}

.nc-ranking__mcard-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.nc-ranking__mcard-rank {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.nc-ranking__mcard-logo {
  width: 44px; height: 44px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--nc-border);
  flex-shrink: 0;
}
.nc-ranking__mcard-name {
  flex: 1;
  font-weight: 700;
  font-size: 1rem;
}
.nc-ranking__mcard-rating {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nc-ranking__mcard-rating-val {
  font-weight: 700;
  font-size: 0.9rem;
}
.nc-ranking__mcard-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.nc-ranking__mcard-features {
  margin-bottom: 14px;
}
.nc-ranking__mcard-features .nc-ranking__feature {
  font-size: 0.8rem;
}
.nc-ranking__mcard-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--nc-border);
}

/* ========================================================================
   CARD — [ai_card] Premium
   ======================================================================== */

.nc-card {
  position: relative;
  background: var(--nc-surface);
  background-image: var(--nc-gradient-card);
  backdrop-filter: var(--nc-glass);
  -webkit-backdrop-filter: var(--nc-glass);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius-lg);
  padding: 30px;
  margin: 24px 0;
  transition: transform var(--nc-transition), border-color var(--nc-transition), box-shadow var(--nc-transition);
  overflow: hidden;
  color: var(--nc-text);
  box-shadow: var(--nc-shadow-sm);
}
.nc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--nc-gradient-1);
  opacity: 0;
  transition: opacity var(--nc-transition);
}
.nc-card:hover::before { opacity: 1; }
.nc-card:hover {
  border-color: color-mix(in srgb, var(--nc-accent) 50%, var(--nc-border));
  box-shadow: var(--nc-shadow);
  transform: translateY(-2px);
}

.nc-card__header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}
.nc-card__logo {
  width: 64px; height: 64px;
  border-radius: 16px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--nc-border);
  background: var(--nc-surface-2);
}
.nc-card__header-text { flex: 1; min-width: 0; }
.nc-card__title {
  margin: 0 0 6px;
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.3px;
}
.nc-card__tagline {
  margin: 0 0 10px;
  color: var(--nc-text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
}
.nc-card__rating {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.nc-card__rating-value {
  color: var(--nc-text-muted);
  font-size: 0.84rem;
}

.nc-card__cta-top { margin-bottom: 20px; }

.nc-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.nc-card__features {
  margin-bottom: 22px;
  padding: 18px;
  background: var(--nc-surface-2);
  border-radius: var(--nc-radius-sm);
  border: 1px solid var(--nc-border);
}
.nc-card__section-title {
  display: block;
  margin-bottom: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--nc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.nc-card__features .nc-list { margin-left: 0; }

.nc-card__proscons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 20px 0;
}
@media (max-width: 520px) {
  .nc-card__proscons { grid-template-columns: 1fr; }
}
.nc-card__proscons > div {
  padding: 16px;
  background: var(--nc-surface-2);
  border-radius: var(--nc-radius-sm);
  border: 1px solid var(--nc-border);
}
.nc-card__proscons strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.88rem;
}

.nc-card__content {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--nc-border);
  font-size: 0.92rem;
  color: var(--nc-text-secondary);
}
.nc-card__cta-bottom { margin-top: 24px; text-align: center; }
.nc-card__footer {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--nc-border);
}

/* ========================================================================
   TOP 5 — [ai_top5] Premium
   ======================================================================== */

.nc-top5 { margin: 28px 0; }
.nc-top5__title {
  font-size: 1.4rem;
  font-weight: 750;
  margin: 0 0 20px;
  letter-spacing: -0.3px;
}
.nc-top5__list {
  display: grid;
  gap: 10px;
}
.nc-top5__item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--nc-surface);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius);
  padding: 16px 22px;
  transition: all var(--nc-transition);
}
.nc-top5__item:hover {
  border-color: var(--nc-accent);
  box-shadow: var(--nc-shadow-sm);
  transform: translateX(3px);
}
.nc-top5__rank {
  font-size: 1.4rem;
  min-width: 40px;
  text-align: center;
  flex-shrink: 0;
  font-weight: 700;
}
.nc-top5__logo {
  width: 42px; height: 42px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--nc-border);
}
.nc-top5__body { flex: 1; min-width: 0; }
.nc-top5__name {
  display: block;
  font-weight: 650;
  font-size: 0.98rem;
  margin-bottom: 3px;
}
.nc-top5__name a { color: var(--nc-text); text-decoration: none; }
.nc-top5__name a:hover { color: var(--nc-accent); }
.nc-top5__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.nc-top5__price {
  color: var(--nc-success);
  font-size: 0.8rem;
  font-weight: 650;
}
.nc-top5__action { flex-shrink: 0; }

/* ========================================================================
   CATALOG — [ai_catalog] Aurora tiles + toolbar
   ======================================================================== */

.nc-catalog {
  margin: 28px 0;
  padding: 4px;
  color: var(--nc-text);
  background: var(--nc-aurora);
  border-radius: var(--nc-radius-lg);
}
.nc-catalog__title {
  font-size: 1.55rem;
  font-weight: 750;
  margin: 0 0 18px;
  letter-spacing: -0.4px;
}

.nc-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  margin-bottom: 18px;
  padding: 12px 14px;
  background: var(--nc-surface);
  backdrop-filter: var(--nc-glass);
  -webkit-backdrop-filter: var(--nc-glass);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius);
  box-shadow: var(--nc-shadow-sm);
}
.nc-toolbar__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
  min-width: 0;
}
.nc-toolbar__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.nc-toolbar__sort {
  appearance: none;
  padding: 8px 32px 8px 12px;
  background: var(--nc-surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%6494a3b8' d='M6 8L0 0h12z'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1px solid var(--nc-border);
  border-radius: 10px;
  color: var(--nc-text);
  font-size: 0.84rem;
  font-weight: 550;
  cursor: pointer;
  transition: border-color var(--nc-transition), box-shadow var(--nc-transition);
}
.nc-toolbar__sort:hover,
.nc-toolbar__sort:focus {
  border-color: var(--nc-accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--nc-accent-soft);
}

.nc-layout-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: var(--nc-surface-2);
  border: 1px solid var(--nc-border);
  border-radius: 12px;
}
.nc-layout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--nc-text-muted);
  cursor: pointer;
  transition: all var(--nc-transition);
}
.nc-layout-btn:hover {
  color: var(--nc-text);
  background: var(--nc-accent-soft);
}
.nc-layout-btn--active {
  color: var(--nc-accent);
  background: var(--nc-surface-solid);
  box-shadow: var(--nc-shadow-sm);
}
.nc-layout-btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nc-filter {
  padding: 8px 16px;
  background: var(--nc-surface-2);
  border: 1px solid var(--nc-border);
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 550;
  color: var(--nc-text-secondary);
  transition: all var(--nc-transition);
}
.nc-filter:hover {
  border-color: var(--nc-accent);
  color: var(--nc-text);
  background: var(--nc-accent-soft);
}
.nc-filter--active {
  background: var(--nc-gradient-1);
  color: #fff !important;
  border-color: transparent;
  box-shadow: 0 4px 14px var(--nc-accent-glow);
}
.nc-filter--free {
  border-color: rgba(52, 211, 153, 0.35);
  color: var(--nc-success);
}
.nc-filter--free.nc-filter--active {
  background: var(--nc-gradient-2);
  box-shadow: 0 4px 12px rgba(16,185,129,0.25);
}

.nc-catalog__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 14px;
}
.nc-catalog__count {
  color: var(--nc-text-muted);
  font-size: 0.84rem;
  margin: 0;
}

/* Layout shells */
.nc-catalog__grid {
  display: grid;
  gap: 16px;
  transition: opacity 0.2s ease;
}
.nc-catalog--layout-grid .nc-catalog__grid,
.nc-catalog--layout-dense .nc-catalog__grid {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.nc-catalog--layout-dense .nc-catalog__grid {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.nc-catalog--layout-list .nc-catalog__grid {
  grid-template-columns: 1fr;
  gap: 10px;
}
.nc-catalog--cols-2.nc-catalog--layout-grid .nc-catalog__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.nc-catalog--cols-3.nc-catalog--layout-grid .nc-catalog__grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.nc-catalog--cols-4.nc-catalog--layout-grid .nc-catalog__grid {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
@media (max-width: 720px) {
  .nc-catalog--cols-2.nc-catalog--layout-grid .nc-catalog__grid,
  .nc-catalog--cols-3.nc-catalog--layout-grid .nc-catalog__grid,
  .nc-catalog--cols-4.nc-catalog--layout-grid .nc-catalog__grid,
  .nc-catalog--layout-grid .nc-catalog__grid,
  .nc-catalog--layout-dense .nc-catalog__grid {
    grid-template-columns: 1fr;
  }
  .nc-toolbar { flex-direction: column; align-items: stretch; }
  .nc-toolbar__controls { justify-content: space-between; }
}

/* Unified tile */
.nc-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--nc-surface);
  background-image: var(--nc-gradient-card);
  backdrop-filter: var(--nc-glass);
  -webkit-backdrop-filter: var(--nc-glass);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius);
  box-shadow: var(--nc-shadow-sm);
  transition: transform var(--nc-transition), border-color var(--nc-transition), box-shadow var(--nc-transition);
  overflow: hidden;
  color: var(--nc-text);
}
.nc-tile::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--nc-gradient-1);
  opacity: 0;
  transition: opacity var(--nc-transition);
}
.nc-tile:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--nc-accent) 55%, var(--nc-border));
  box-shadow: var(--nc-shadow);
}
.nc-tile:hover::before { opacity: 1; }

.nc-tile__top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.nc-tile__logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--nc-border);
  background: var(--nc-surface-2);
}
.nc-tile__logo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 750;
  font-size: 1.1rem;
  color: var(--nc-accent);
  background: var(--nc-accent-soft);
}
.nc-tile__body { flex: 1; min-width: 0; }
.nc-tile__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.2px;
}
.nc-tile__title a {
  color: var(--nc-text);
  text-decoration: none;
  transition: color var(--nc-transition);
}
.nc-tile__title a:hover { color: var(--nc-accent); }
.nc-tile__rating {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.nc-tile__rating-num {
  font-size: 0.8rem;
  color: var(--nc-text-muted);
  font-weight: 600;
}
.nc-tile__price {
  margin: 0;
  color: var(--nc-success);
  font-size: 0.88rem;
  font-weight: 650;
}
.nc-tile__tagline {
  margin: 4px 0 0;
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--nc-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nc-tile__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.nc-tile__features {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nc-tile__feature {
  font-size: 0.8rem;
  color: var(--nc-text-secondary);
  padding-left: 14px;
  position: relative;
  line-height: 1.4;
}
.nc-tile__feature::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--nc-accent);
  opacity: 0.85;
}
.nc-tile__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  align-items: center;
}
.nc-tile__actions .nc-btn--primary { flex: 1; min-width: 120px; }
.nc-tile__action { margin-top: auto; }

/* List layout */
.nc-catalog--layout-list .nc-tile {
  flex-direction: row;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
}
.nc-catalog--layout-list .nc-tile:hover { transform: translateX(3px); }
.nc-catalog--layout-list .nc-tile__top { flex: 1; min-width: 0; align-items: center; }
.nc-catalog--layout-list .nc-tile__logo { width: 44px; height: 44px; border-radius: 12px; }
.nc-catalog--layout-list .nc-tile__price { white-space: nowrap; }
.nc-catalog--layout-list .nc-tile__badges { flex-shrink: 0; max-width: 280px; }
.nc-catalog--layout-list .nc-tile__features { display: none; }
.nc-catalog--layout-list .nc-tile__tagline { -webkit-line-clamp: 1; }
.nc-catalog--layout-list .nc-tile__actions {
  margin-top: 0;
  flex-shrink: 0;
  flex-wrap: nowrap;
}
.nc-catalog--layout-list .nc-tile__actions .nc-btn { width: auto; flex: 0 0 auto; }

@media (max-width: 720px) {
  .nc-catalog--layout-list .nc-tile {
    flex-direction: column;
    align-items: stretch;
  }
  .nc-catalog--layout-list .nc-tile__actions .nc-btn { width: 100%; }
}

/* Dense layout */
.nc-catalog--layout-dense .nc-tile {
  padding: 14px;
  gap: 8px;
  border-radius: var(--nc-radius-sm);
}
.nc-catalog--layout-dense .nc-tile__logo { width: 40px; height: 40px; border-radius: 10px; }
.nc-catalog--layout-dense .nc-tile__title { font-size: 0.92rem; margin-bottom: 4px; }
.nc-catalog--layout-dense .nc-tile__features { display: none; }
.nc-catalog--layout-dense .nc-tile__badges .nc-badge:nth-child(n+3) { display: none; }
.nc-catalog--layout-dense .nc-btn--sm { padding: 6px 12px; font-size: 0.78rem; }

.nc-catalog__empty {
  text-align: center;
  padding: 56px 20px;
  color: var(--nc-text-muted);
  background: var(--nc-surface);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius);
  font-size: 0.95rem;
}

/* ========================================================================
   GRID — [ai_grid] uses same tiles
   ======================================================================== */

.nc-grid {
  display: grid;
  gap: 16px;
  margin: 28px 0;
  color: var(--nc-text);
  background: var(--nc-aurora);
  border-radius: var(--nc-radius-lg);
  padding: 4px;
}
.nc-grid--layout-grid.nc-grid--cols-1 { grid-template-columns: 1fr; }
.nc-grid--layout-grid.nc-grid--cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.nc-grid--layout-grid.nc-grid--cols-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.nc-grid--layout-grid.nc-grid--cols-4 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.nc-grid--layout-dense {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.nc-grid--layout-list {
  grid-template-columns: 1fr;
  gap: 10px;
}
.nc-grid--layout-list .nc-tile {
  flex-direction: row;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
}
.nc-grid--layout-list .nc-tile:hover { transform: translateX(3px); }
.nc-grid--layout-list .nc-tile__features { display: none; }
.nc-grid--layout-list .nc-tile__actions { margin-top: 0; flex-shrink: 0; }
.nc-grid--layout-list .nc-tile__actions .nc-btn { width: auto; flex: 0 0 auto; }
.nc-grid--layout-dense .nc-tile {
  padding: 14px;
  gap: 8px;
}
.nc-grid--layout-dense .nc-tile__features { display: none; }
@media (max-width: 720px) {
  .nc-grid--layout-grid.nc-grid--cols-2,
  .nc-grid--layout-grid.nc-grid--cols-3,
  .nc-grid--layout-grid.nc-grid--cols-4,
  .nc-grid--layout-dense {
    grid-template-columns: 1fr;
  }
  .nc-grid--layout-list .nc-tile { flex-direction: column; align-items: stretch; }
  .nc-grid--layout-list .nc-tile__actions .nc-btn { width: 100%; }
}

/* Legacy aliases kept for safety */
.nc-grid--cols-1 { grid-template-columns: 1fr; }
.nc-grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.nc-grid--cols-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.nc-grid--cols-4 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.nc-catalog__item { /* compat: tiles also carry this class */ }

/* ========================================================================
   Responsive + motion
   ======================================================================== */

@media (max-width: 600px) {
  .nc-card { padding: 20px; }
  .nc-card__header { flex-direction: column; align-items: flex-start; }
  .nc-compare__table { font-size: 0.8rem; }
  .nc-compare__table th, .nc-compare__table td { padding: 8px 10px; }
  .nc-section-title { font-size: 1.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  .nc-tile,
  .nc-card,
  .nc-top5__item,
  .nc-ranking__row,
  .nc-filter,
  .nc-btn,
  .nc-layout-btn {
    transition: none !important;
  }
  .nc-tile:hover,
  .nc-catalog--layout-list .nc-tile:hover,
  .nc-top5__item:hover {
    transform: none !important;
  }
}

/* ========================================================================
   COMPARE TABLE — [ai_compare]
   ======================================================================== */

.nc-compare {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--nc-radius);
  border: 1px solid var(--nc-border);
}
.nc-compare__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--nc-surface);
}
.nc-compare__table th {
  padding: 14px 18px;
  background: var(--nc-surface-2);
  color: var(--nc-text-muted);
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--nc-border);
}
.nc-compare__table td {
  padding: 13px 18px;
  text-align: center;
  border-bottom: 1px solid var(--nc-border);
}
.nc-compare__label {
  text-align: left !important;
  color: var(--nc-text-secondary);
  font-weight: 550;
}
.nc-compare__table tfoot td {
  background: var(--nc-surface-2);
  padding: 16px 18px;
}
.nc-compare__table tbody tr:hover td {
  background: var(--nc-surface-2);
}

/* ========================================================================
   QUIZ — [ai_quiz]
   ======================================================================== */

.nc-quiz {
  background: var(--nc-surface);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius-lg);
  padding: 32px;
  max-width: 580px;
  margin: 28px auto;
  box-shadow: var(--nc-shadow-sm);
}
.nc-quiz__step { border: none; padding: 0; margin: 0; }
.nc-quiz__question {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--nc-text);
  padding: 0;
  float: none;
  width: auto;
}
.nc-quiz__options { display: grid; gap: 10px; }
.nc-quiz__option {
  display: block; width: 100%;
  text-align: left;
  padding: 15px 20px;
  background: var(--nc-surface-2);
  border: 1.5px solid var(--nc-border);
  border-radius: var(--nc-radius-sm);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 550;
  color: var(--nc-text);
  transition: all var(--nc-transition);
}
.nc-quiz__option:hover {
  border-color: var(--nc-accent);
  background: var(--nc-accent-soft);
  transform: translateX(4px);
}
.nc-quiz__progress { margin-top: 24px; text-align: center; }
.nc-quiz__progress-bar {
  width: 100%; height: 4px;
  background: var(--nc-border);
  border-radius: 4px;
  margin-bottom: 10px;
  overflow: hidden;
}
.nc-quiz__progress-bar::after {
  content: '';
  display: block; height: 100%;
  background: var(--nc-gradient-1);
  border-radius: 4px;
  width: var(--nc-quiz-progress, 33%);
  transition: width 0.3s;
}
.nc-quiz__progress-text { font-size: 0.82rem; color: var(--nc-text-muted); }
.nc-quiz__result { text-align: center; }
.nc-quiz__result-title {
  font-size: 1.2rem;
  margin: 0 0 20px;
  color: var(--nc-success);
  font-weight: 700;
}
.nc-quiz__result-item {
  background: var(--nc-surface-2);
  border: 1px solid var(--nc-border);
  border-radius: var(--nc-radius-sm);
  padding: 18px;
  margin-bottom: 12px;
  text-align: left;
  transition: border-color var(--nc-transition);
}
.nc-quiz__result-item:hover { border-color: var(--nc-accent); }
.nc-quiz__result-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}
.nc-quiz__result-item .nc-btn { margin-top: 12px; }
.nc-quiz__retake { margin-top: 20px; }
.nc-quiz__loading { text-align: center; padding: 40px; color: var(--nc-text-muted); }

/* ========================================================================
   PROMO BOX — [ai_promo_box]
   ======================================================================== */

.nc-promo {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--nc-gradient-hero);
  border: 1px solid rgba(99,102,241,0.18);
  border-radius: var(--nc-radius);
  padding: 22px 26px;
  margin: 26px 0;
  backdrop-filter: blur(8px);
}
.nc-promo__body {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
}
.nc-promo__logo {
  width: 48px; height: 48px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--nc-border);
}
.nc-promo__text { display: flex; flex-direction: column; gap: 4px; }
.nc-promo__text strong { color: var(--nc-text); font-size: 0.98rem; }
.nc-promo__price {
  color: var(--nc-success);
  font-size: 0.82rem;
  font-weight: 650;
}
@media (max-width: 520px) {
  .nc-promo { flex-direction: column; text-align: center; }
  .nc-promo__body { flex-direction: column; }
}

/* ========================================================================
   SEARCH — [ai_search]
   ======================================================================== */

.nc-search {
  position: relative;
  margin: 28px 0;
}
.nc-search__form {
  display: flex;
  gap: 0;
  box-shadow: var(--nc-shadow-sm);
  border-radius: var(--nc-radius);
  overflow: hidden;
}
.nc-search__input {
  flex: 1;
  padding: 15px 22px;
  background: var(--nc-surface);
  border: 1.5px solid var(--nc-border);
  border-right: none;
  border-radius: var(--nc-radius) 0 0 var(--nc-radius);
  color: var(--nc-text);
  font-size: 1.02rem;
  font-family: var(--nc-font);
  outline: none;
  transition: border-color var(--nc-transition);
}
.nc-search__input:focus { border-color: var(--nc-accent); }
.nc-search__input::placeholder { color: var(--nc-text-muted); }
.nc-search__submit {
  padding: 15px 26px;
  background: var(--nc-gradient-1);
  border: none;
  border-radius: 0 var(--nc-radius) var(--nc-radius) 0;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: opacity var(--nc-transition);
}
.nc-search__submit:hover { opacity: 0.9; }
.nc-search__suggestions {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--nc-surface);
  border: 1px solid var(--nc-border);
  border-top: none;
  border-radius: 0 0 var(--nc-radius) var(--nc-radius);
  z-index: 100;
  max-height: 340px;
  overflow-y: auto;
  box-shadow: var(--nc-shadow);
}
.nc-search__suggestion {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 22px;
  cursor: pointer;
  transition: background var(--nc-transition);
}
.nc-search__suggestion:hover { background: var(--nc-accent-soft); }
.nc-search__suggestion-img {
  width: 36px; height: 36px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}
.nc-search__suggestion-text { flex: 1; font-size: 0.92rem; font-weight: 550; }
.nc-search__suggestion-rating { color: var(--nc-warning); font-size: 0.84rem; }