/* ============================================================
   Nootropedia — dark, modern, premium
   ============================================================ */
:root {
  --bg: #070b14;
  --bg-soft: #0d1424;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #e8edf7;
  --text-dim: #94a3b8;
  --accent: #34d399;
  --accent-2: #60a5fa;
  --accent-3: #a78bfa;
  --gold: #fbbf24;
  --danger: #fb7185;
  --radius: 16px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --font-head: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ---------- Latar dekoratif ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 40%, transparent 100%);
}

.bg-glow {
  position: fixed;
  z-index: -2;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
}

.bg-glow-1 {
  width: 520px;
  height: 520px;
  top: -160px;
  left: -120px;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
}

.bg-glow-2 {
  width: 620px;
  height: 620px;
  top: 30%;
  right: -200px;
  background: radial-gradient(circle, var(--accent-3), transparent 70%);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 11, 20, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
}

.brand-icon { font-size: 1.5rem; }

.brand-accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.header-nav {
  display: flex;
  gap: 22px;
}

.header-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}

.header-nav a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  max-width: 880px;
  margin: 0 auto;
  padding: 88px 24px 56px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.25);
  margin-bottom: 22px;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.grad-text {
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.08rem;
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-sub strong { color: var(--text); }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 38px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 14px 22px;
  min-width: 120px;
  backdrop-filter: blur(8px);
}

.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.7rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

/* ---------- Tombol ---------- */
.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 30px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #04121a;
  box-shadow: 0 8px 30px rgba(52, 211, 153, 0.3);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(52, 211, 153, 0.45); }

/* ---------- Section tabel ---------- */
.table-section,
.method-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

.section-head { text-align: center; margin-bottom: 30px; }

.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-sub { color: var(--text-dim); margin-top: 6px; }

/* ---------- Kontrol ---------- */
.controls { margin-bottom: 18px; }

.search-wrap {
  position: relative;
  max-width: 560px;
  margin: 0 auto 18px;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  opacity: 0.7;
}

#search {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 14px 44px 14px 46px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(8px);
}

#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.15);
}

.clear-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.8rem;
}

.clear-btn:hover { background: rgba(255, 255, 255, 0.2); }

.filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.chip {
  font: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.chip:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.2); }

.chip.active {
  color: #04121a;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-color: transparent;
}

.result-count {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

/* ---------- Tabel ---------- */
.table-wrap {
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--card);
  backdrop-filter: blur(10px);
  display: block;
}

.nootable {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.nootable thead th {
  text-align: left;
  font-family: var(--font-head);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}

.nootable tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.045);
  transition: background 0.15s;
}

.nootable tbody tr:last-child { border-bottom: none; }

.nootable tbody tr:hover { background: rgba(255, 255, 255, 0.04); }

.nootable tbody td {
  padding: 13px 16px;
  vertical-align: top;
  color: var(--text-dim);
}

.nootable tbody td.rank-col {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.nootable tbody td.name-col {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

/* Medali top-3 */
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-size: 0.8rem;
  font-weight: 800;
}

.rank-1 { background: linear-gradient(135deg, #fde68a, #f59e0b); color: #3a2400; box-shadow: 0 4px 16px rgba(251, 191, 36, 0.4); }
.rank-2 { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #1e293b; box-shadow: 0 4px 16px rgba(148, 163, 184, 0.4); }
.rank-3 { background: linear-gradient(135deg, #fcd9b8, #d97706); color: #3c1c00; box-shadow: 0 4px 16px rgba(217, 119, 6, 0.4); }
.rank-plain { color: var(--text-dim); font-weight: 600; }

/* Badge bukti */
.ev-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.ev-strong   { background: rgba(52, 211, 153, 0.14);  color: #6ee7b7; border: 1px solid rgba(52, 211, 153, 0.3); }
.ev-moderate { background: rgba(96, 165, 250, 0.14);  color: #93c5fd; border: 1px solid rgba(96, 165, 250, 0.3); }
.ev-weak     { background: rgba(167, 139, 250, 0.14); color: #c4b5fd; border: 1px solid rgba(167, 139, 250, 0.3); }
.ev-research { background: rgba(148, 163, 184, 0.14); color: #94a3b8; border: 1px solid rgba(148, 163, 184, 0.3); }
.ev-avoid    { background: rgba(251, 113, 133, 0.14); color: #fda4af; border: 1px solid rgba(251, 113, 133, 0.35); }

/* Badge kategori */
.cat-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--text-dim);
}

/* Sorting */
.sortable { cursor: pointer; user-select: none; }
.sortable:hover { color: var(--text); }
.sort-arrow { font-size: 0.7rem; opacity: 0.6; }

/* ---------- Kartu mobile ---------- */
.card-list { display: none; flex-direction: column; gap: 12px; }

.noot-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px;
  backdrop-filter: blur(8px);
}

.noot-card .card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.noot-card .card-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  flex: 1;
}

.noot-card .card-body { font-size: 0.9rem; color: var(--text-dim); }

.noot-card .card-row { margin-top: 8px; }

.noot-card .card-row strong {
  color: var(--text);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 2px;
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 40px 0;
  font-size: 1.05rem;
}

/* ---------- Metodologi ---------- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.method-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.method-card:hover { transform: translateY(-4px); border-color: rgba(52, 211, 153, 0.3); }

.method-icon { font-size: 1.8rem; display: block; margin-bottom: 12px; }

.method-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  margin-bottom: 8px;
}

.method-card p { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.disclaimer-box {
  background: rgba(251, 113, 133, 0.06);
  border: 1px solid rgba(251, 113, 133, 0.2);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 24px;
}

.disclaimer-box strong { color: var(--danger); }

.disclaimer-box p {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin-top: 8px;
}

.footer-note {
  text-align: center;
  color: rgba(148, 163, 184, 0.7);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .table-wrap { display: none; }
  .card-list { display: flex; }
}

@media (min-width: 901px) {
  .card-list { display: none; }
}

@media (max-width: 640px) {
  .header-nav { display: none; }
  .hero { padding-top: 60px; }
  .hero-stats { gap: 10px; }
  .stat { min-width: 88px; padding: 12px 14px; }
  .table-section, .method-section { padding: 36px 16px; }
}