/* shared/study.css — MEA Study */

@import url("https://meaecosystem.biz.id/shared/token/token-color.css");

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

/* Variable lama di bawah ini dipertahankan (dipakai di ratusan tempat
   di file ini + shell.css + home.css + pengaturan.css) tapi sekarang
   isinya di-mapping ke token warna resmi MEA Ecosystem (--mea-*) dari
   token-color.css, supaya satu sumber warna dan tetap konsisten kalau
   token pusat berubah. JANGAN hardcode hex baru di sini lagi. */
:root {
  --bg:          var(--mea-bg);
  --bg-2:        var(--mea-surface);
  --surface:     var(--mea-surface);
  --surface-2:   var(--mea-surface-raised);
  --border:      var(--mea-border);
  --border-2:    var(--mea-border-strong);
  --text:        var(--mea-text-primary);
  --text-2:      var(--mea-text-secondary);
  --text-3:      var(--mea-text-muted);
  --accent:      var(--mea-accent);
  --accent-dim:  var(--mea-accent-muted);
  --accent-glow: rgba(59, 130, 246, 0.25);
  --green:       var(--mea-success);
  --green-dim:   rgba(34,197,94,0.08);
  --yellow:      var(--mea-warning);
  --red:         var(--mea-danger);
  --r:           var(--mea-radius-sm);
  --r-lg:        var(--mea-radius-md);
  --r-xl:        var(--mea-radius-lg);
  --font-mono:   'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  position: relative;
  min-height: 100vh;
}

/* ── Gradient mesh dekoratif — fixed di belakang seluruh layar, supaya
   sidebar/topbar/card yang pakai backdrop-filter (efek "glass" ala
   Windows 11 Mica/Acrylic) benar-benar punya sesuatu untuk di-blur.
   Tanpa ini backdrop-filter tidak kelihatan efeknya di atas background
   solid flat. Warnanya dari token brand (--mea-accent + turunannya),
   jadi tetap satu keluarga warna dengan aksen aplikasi. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 8%,  rgba(59, 130, 246, 0.16) 0%, transparent 42%),
    radial-gradient(circle at 88% 18%, rgba(37, 99, 235, 0.14)  0%, transparent 45%),
    radial-gradient(circle at 25% 82%, rgba(59, 130, 246, 0.10) 0%, transparent 40%),
    radial-gradient(circle at 78% 90%, rgba(34, 197, 94, 0.06)  0%, transparent 38%),
    var(--bg);
}

/* ── TOPBAR ─────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--glass-bg, rgba(22,22,22,0.55));
  backdrop-filter: blur(var(--glass-blur, 16px));
  -webkit-backdrop-filter: blur(var(--glass-blur, 16px));
  border-bottom: 1px solid var(--glass-border, var(--border));
  height: 52px; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: nowrap;
}
.topbar-left  { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.topbar-eco {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px; letter-spacing: 2px;
  color: var(--accent); text-decoration: none;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}
.topbar-sep   { color: var(--text-3); font-size: 14px; }
.topbar-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px; letter-spacing: 2px;
  color: var(--text);
}

.nav-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-dim); border: 1px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--accent);
  cursor: pointer; overflow: hidden;
}
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--r); border: none;
  font-size: 13px; font-weight: 600; cursor: pointer;
  text-decoration: none; transition: all .15s; white-space: nowrap;
}
.btn-sm  { padding: 5px 12px; font-size: 12px; }
.btn-lg  { padding: 13px 32px; font-size: 15px; border-radius: var(--r-lg); }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #00bfe8; box-shadow: 0 0 20px var(--accent-glow); }
.btn-ghost {
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-2); background: var(--surface); }

/* ── SEARCHBAR — sticky di bawah topbar ─────────────────────── */
.searchbar-wrap {
  position: sticky; top: 52px; z-index: 90;
  background: rgba(9,12,16,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
}
.searchbar-inner {
  max-width: 680px; margin: 0 auto;
  position: relative;
}
.searchbar-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  padding: 12px 16px;
  transition: border-color .15s, box-shadow .15s;
}
.searchbar-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.search-icon { width: 17px; height: 17px; color: var(--text-3); flex-shrink: 0; }
.searchbar-input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-size: 15px; font-family: inherit;
  min-width: 0;
}
.searchbar-input::placeholder { color: var(--text-3); }
.search-clear {
  background: none; border: none; cursor: pointer;
  color: var(--text-3); font-size: 13px; padding: 2px 6px;
  border-radius: 4px; flex-shrink: 0;
}
.search-clear:hover { color: var(--text); background: var(--surface-2); }

/* ── DOMAIN FILTER DROPDOWN ──────────────────────────────────── */
.domain-filter-wrap {
  display: flex; justify-content: center;
  margin-top: 10px;
}
.domain-filter-select {
  appearance: none; -webkit-appearance: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg, 10px);
  color: var(--text-2);
  font-size: 12px; font-weight: 600;
  padding: 7px 32px 7px 14px;
  cursor: pointer;
  transition: border-color .15s, color .15s;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
}
.domain-filter-select:hover,
.domain-filter-select:focus {
  border-color: var(--accent);
  color: var(--text);
  outline: none;
}

/* ── SEARCH RESULTS DROPDOWN ─────────────────────────────────── */
.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  overflow: hidden; z-index: 50;
  max-height: 400px; overflow-y: auto;
}
.search-result-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 13px 16px; cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
  text-decoration: none;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--surface-2); }
.result-icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent-dim); border: 1px solid rgba(0,212,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; flex-shrink: 0; margin-top: 2px;
}
.result-body  { flex: 1; min-width: 0; }
.result-title-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-bottom: 3px;
}
.result-title { font-size: 13px; font-weight: 700; color: var(--text); }
.result-badge {
  font-size: 9px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-dim);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 4px; padding: 2px 6px; flex-shrink: 0;
  white-space: nowrap;
}
.result-snippet {
  font-size: 12px; color: var(--text-3);
  overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.search-empty {
  padding: 28px; text-align: center;
  font-size: 13px; color: var(--text-3);
}
.search-loading {
  padding: 20px; text-align: center;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 13px; color: var(--text-3);
}

/* ── SUGGEST DROPDOWN ────────────────────────────────────────── */
.suggest-box {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  overflow: hidden; z-index: 60;
}
.suggest-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.suggest-item:last-child { border-bottom: none; }
.suggest-item:hover, .suggest-item.active { background: var(--surface-2); }
.suggest-icon { width: 14px; height: 14px; color: var(--text-3); flex-shrink: 0; }
.suggest-text { font-size: 13px; color: var(--text-2); }
.suggest-text strong { color: var(--text); font-weight: 600; }

/* ── HERO — ringkas ──────────────────────────────────────────── */
.hero {
  padding: 48px 24px 40px;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0,212,255,0.05) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.hero-inner { max-width: 560px; margin: 0 auto; }
.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 8vw, 60px);
  letter-spacing: .03em; line-height: 1.05;
  color: var(--text); margin-bottom: 14px;
  font-style: normal;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
  filter: drop-shadow(0 0 16px var(--accent-glow));
}
.hero-sub {
  font-size: 14px; color: var(--text-3);
  max-width: 420px; margin: 0 auto; line-height: 1.6;
}

/* ── SECTION ─────────────────────────────────────────────────── */
.section { padding: 48px 20px; }
.section-inner { max-width: 900px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 28px; }
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(22px, 4vw, 32px);
  letter-spacing: .04em; color: var(--text);
  margin-bottom: 6px;
}
.section-sub { font-size: 13px; color: var(--text-3); }

.section-cta {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ── TRENDING LIST ───────────────────────────────────────────── */
.trending-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.trending-item {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: background .1s;
  cursor: pointer;
}
.trending-item:last-child { border-bottom: none; }
.trending-item:hover { background: var(--surface); }
.trending-num {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--text-3);
  width: 20px; flex-shrink: 0; text-align: right;
}
.trending-title {
  flex: 1; font-size: 14px; font-weight: 600;
  color: var(--text); min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.trending-views {
  font-size: 11px; color: var(--text-3);
  flex-shrink: 0; font-family: var(--font-mono);
}
.trending-skeleton {
  height: 46px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
.trending-skeleton:last-child { border-bottom: none; }
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── CTA GRID ────────────────────────────────────────────────── */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 560px) {
  .cta-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 860px) {
  .cta-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
.cta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  transition: border-color .15s, transform .15s;
}
.cta-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}
.cta-icon  { font-size: 30px; margin-bottom: 6px; line-height: 1; }
.cta-title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.cta-desc  { font-size: 13px; color: var(--text-3); line-height: 1.65; max-width: 240px; }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 18px 20px; }
.footer-inner {
  max-width: 900px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.footer-brand { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.footer-eco   { color: var(--accent); text-decoration: none; font-weight: 700; }
.footer-sep   { color: var(--text-3); }
.footer-product { color: var(--text-2); font-weight: 600; }
.footer-ver   { color: var(--text-3); font-family: var(--font-mono); font-size: 11px; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { font-size: 12px; color: var(--text-3); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* ── SPINNER ─────────────────────────────────────────────────── */
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--border-2);
  border-top-color: var(--accent);
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── ARTICLE PAGE ────────────────────────────────────────────── */
/* Floating search button di halaman artikel */
.fab-search {
  position: fixed; bottom: 24px; right: 20px; z-index: 200;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: #000;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(0,212,255,0.35);
  transition: transform .15s, box-shadow .15s;
}
.fab-search:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(0,212,255,0.5); }
.fab-search svg { width: 20px; height: 20px; }

/* Search overlay untuk artikel */
.search-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(9,12,16,0.85);
  backdrop-filter: blur(8px);
  display: flex; flex-direction: column;
  align-items: center; padding: 80px 20px 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.search-overlay.open { opacity: 1; pointer-events: all; }
.overlay-box {
  width: 100%; max-width: 600px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 0 0 3px var(--accent-dim);
  border-color: var(--accent);
}
.overlay-input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-size: 16px; font-family: inherit;
}
.overlay-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-3); font-size: 18px; padding: 2px 4px;
  line-height: 1;
}
.overlay-results {
  width: 100%; max-width: 600px;
  margin-top: 8px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  max-height: 60vh; overflow-y: auto;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 600px) {
  .topbar { padding: 0 14px; }
  .searchbar-wrap { padding: 8px 14px; }
  .hero { padding: 36px 16px 32px; }
  .section { padding: 36px 16px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .fab-search { bottom: 20px; right: 16px; }
}

/* ── Custom scrollbar — tipis, minimalis, matching tema dark glass ──
   Berlaku global (file ini di-load semua halaman). Scrollbar bawaan
   browser (lebar, kotak, warna default OS) diganti versi tipis yang
   nyatu sama --mea-border / --mea-accent, bukan dihilangkan total. */
* {
  scrollbar-width: thin;                                   /* Firefox */
  scrollbar-color: var(--mea-border-strong) transparent;    /* Firefox */
}
*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background: var(--mea-border-strong);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover {
  background: var(--mea-accent-muted, rgba(59,130,246,0.35));
  background-clip: padding-box;
}
*::-webkit-scrollbar-corner {
  background: transparent;
}