/* =========================================================
   GlobalHot – style.css
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Noto+Sans+KR:wght@400;500;700&display=swap');

/* ── Variables ── */
:root {
  --font: 'Noto Sans KR', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bg:        #0d0d14;
  --bg2:       #13131f;
  --bg3:       #1b1b2c;
  --card:      #181828;
  --card-h:    #1f1f35;
  --border:    #252540;
  --text:      #e4e4f0;
  --text2:     #8888aa;
  --text3:     #55556a;
  --accent:    #7c6fff;
  --accent-h:  #9b8fff;
  --green:     #2ecc71;
  --yellow:    #f0c040;
  --shadow:    0 4px 20px rgba(0,0,0,.45);
  --radius:    12px;
  --radius-sm: 6px;
}

[data-theme="light"] {
  --bg:        #f0f0f8;
  --bg2:       #e8e8f4;
  --bg3:       #ffffff;
  --card:      #ffffff;
  --card-h:    #f5f5fe;
  --border:    #ddddf0;
  --text:      #1a1a2e;
  --text2:     #55556a;
  --text3:     #aaaacc;
  --shadow:    0 2px 12px rgba(0,0,0,.08);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background .25s, color .25s;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
select, input { font-family: var(--font); }
ul, ol { list-style: none; }

/* ── Header ── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 20px;
  height: 58px; display: flex; align-items: center; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-globe { font-size: 22px; }
.logo-text { font-size: 18px; font-weight: 700; color: var(--accent); letter-spacing: -.5px; }
.logo-badge {
  font-size: 9px; font-weight: 700;
  background: var(--accent); color: #fff;
  padding: 1px 5px; border-radius: 4px;
  letter-spacing: .5px; margin-top: -8px;
}
.search-wrap { flex: 1; max-width: 440px; position: relative; display: flex; align-items: center; }
.search-icon { position: absolute; left: 12px; color: var(--text3); font-size: 18px; pointer-events: none; transform: scaleX(-1); }
.search-input {
  width: 100%; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 24px; padding: 8px 16px 8px 36px;
  color: var(--text); font-size: 13.5px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124,111,255,.15); }
.search-input::placeholder { color: var(--text3); }
.header-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.icon-btn {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text2); transition: background .2s, color .2s;
}
.icon-btn:hover { background: var(--bg3); color: var(--text); }
.icon-btn.spinning svg { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Tabs ── */
.tabs-bar {
  background: var(--bg2); border-bottom: 1px solid var(--border);
  position: sticky; top: 58px; z-index: 99;
  display: flex; align-items: center; padding: 0 20px;
  max-width: 100%;
}
.tabs { display: flex; gap: 2px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 14px 18px; font-size: 13.5px; font-weight: 500;
  color: var(--text2); white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.sort-wrap { display: flex; align-items: center; gap: 8px; flex-shrink: 0; margin-left: 12px; }
.sort-label { font-size: 12px; color: var(--text3); }
.sort-select {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 13px; padding: 5px 10px; outline: none; cursor: pointer;
}

/* ── Main Layout ── */
.main {
  max-width: 1280px; margin: 0 auto; padding: 24px 20px;
  display: grid; grid-template-columns: 1fr 300px;
  gap: 24px; align-items: start;
}

/* ── Feed ── */
.feed { display: flex; flex-direction: column; gap: 10px; }

/* ── Post Card ── */
.post-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
  cursor: pointer; display: flex; gap: 14px;
  transition: background .2s, border-color .2s, transform .15s, box-shadow .2s;
}
.post-card:hover {
  background: var(--card-h); border-color: var(--accent);
  transform: translateY(-1px); box-shadow: var(--shadow);
}
.post-rank { font-size: 18px; font-weight: 700; color: var(--text3); min-width: 28px; text-align: center; padding-top: 2px; flex-shrink: 0; }
.post-rank.top3 { color: var(--yellow); }
.post-body { flex: 1; min-width: 0; }
.post-meta { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
.source-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 600; padding: 2px 8px;
  border-radius: 20px; color: #fff; letter-spacing: .2px; flex-shrink: 0;
}
.flag { font-size: 13px; }
.post-time { font-size: 11.5px; color: var(--text3); margin-left: auto; }
.post-title {
  font-size: 14.5px; font-weight: 500; color: var(--text);
  line-height: 1.55; margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-stats { display: flex; align-items: center; gap: 14px; font-size: 12px; color: var(--text3); }
.stat { display: flex; align-items: center; gap: 4px; }
.post-subreddit { font-size: 11px; color: var(--text3); }
.preview-hint { margin-left: auto !important; font-size: 11px; color: var(--accent) !important; opacity: .7; }
.post-card:hover .preview-hint { opacity: 1; }

/* ── Skeleton ── */
.skeleton-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.skeleton-line {
  height: 14px; border-radius: 4px;
  background: linear-gradient(90deg, var(--bg3) 25%, var(--bg2) 50%, var(--bg3) 75%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite;
}
.skeleton-line.w80 { width: 80%; } .skeleton-line.w60 { width: 60%; }
.skeleton-line.w40 { width: 40%; } .skeleton-line.w30 { width: 30%; }
.skeleton-line.h8  { height: 8px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Load More ── */
.load-more-wrap { text-align: center; margin-top: 16px; }
.load-more-wrap.hidden { display: none; }
.load-more-btn {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 24px;
  padding: 10px 32px; font-size: 13.5px; color: var(--text2); font-weight: 500;
  transition: background .2s, color .2s, border-color .2s;
}
.load-more-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Sidebar ── */
.sidebar { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 120px; }
.sidebar-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.sidebar-title { font-size: 12px; font-weight: 700; color: var(--text2); margin-bottom: 12px; letter-spacing: .3px; text-transform: uppercase; }
.hot-list { display: flex; flex-direction: column; gap: 10px; }
.hot-item { display: flex; align-items: flex-start; gap: 8px; cursor: pointer; transition: opacity .2s; }
.hot-item:hover { opacity: .7; }
.hot-num { font-size: 12px; font-weight: 700; color: var(--text3); min-width: 16px; flex-shrink: 0; padding-top: 2px; }
.hot-num.gold   { color: #ffd700; }
.hot-num.silver { color: #c0c0c0; }
.hot-num.bronze { color: #cd7f32; }
.hot-title { font-size: 12px; color: var(--text); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hot-source-badge { font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 4px; color: #fff; }
.source-status-list { display: flex; flex-direction: column; gap: 8px; }
.source-status-item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text2); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.status-dot.ok      { background: var(--green); }
.status-dot.loading { background: var(--yellow); animation: pulse 1s infinite; }
.status-dot.error   { background: #ff4d4d; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.source-count { margin-left: auto; font-size: 11px; color: var(--text3); }
.update-card { padding: 10px 16px; }
.update-time { font-size: 11.5px; color: var(--text3); }

/* ── Empty State ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text3); }
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; }

/* =========================================================
   Preview Panel (Side Drawer)
   ========================================================= */
.preview-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 200;
  backdrop-filter: blur(3px);
  transition: opacity .3s;
}
.preview-overlay.hidden { display: none; }

.preview-panel {
  position: fixed; top: 0; right: 0;
  width: 480px; max-width: 100vw; height: 100vh;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  z-index: 201;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.preview-panel.hidden { display: none; }
.preview-panel.open   { transform: translateX(0); }

.preview-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  flex-shrink: 0; gap: 12px;
}
.preview-meta { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; flex-wrap: wrap; }
.preview-close {
  font-size: 16px; color: var(--text3);
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s; flex-shrink: 0;
}
.preview-close:hover { background: var(--bg3); color: var(--text); }

.preview-img {
  width: 100%; max-height: 220px; overflow: hidden;
  flex-shrink: 0; display: none;
}
.preview-img img {
  width: 100%; height: 220px; object-fit: cover; display: block;
}

.preview-content {
  flex: 1; padding: 20px; overflow-y: auto;
}
.preview-title {
  font-size: 17px; font-weight: 700; line-height: 1.55;
  color: var(--text); margin-bottom: 14px;
}
.preview-desc {
  font-size: 13.5px; color: var(--text2); line-height: 1.75;
  margin-bottom: 16px; white-space: pre-wrap;
}
.preview-desc.loading { color: var(--text3); font-style: italic; }
.preview-stats {
  font-size: 12.5px; color: var(--text3);
  padding: 12px 0 0; border-top: 1px solid var(--border);
  display: flex; gap: 12px; flex-wrap: wrap;
}
.preview-stat-item {
  display: flex; align-items: center; gap: 4px;
}

.preview-footer {
  padding: 16px 20px; border-top: 1px solid var(--border); flex-shrink: 0;
}
.preview-link-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; background: var(--accent); color: #fff;
  padding: 13px 24px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600;
  transition: background .2s, transform .15s;
}
.preview-link-btn:hover { background: var(--accent-h); transform: translateY(-1px); }

/* ── Footer ── */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 24px 20px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 13px;
  color: var(--text3);
  transition: color .2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  font-size: 12px;
  color: var(--text3);
  line-height: 1.6;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .main { grid-template-columns: 1fr; }
  .sidebar { position: static; order: -1; display: grid; grid-template-columns: 1fr 1fr; }
  .update-card { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .header-inner { padding: 0 14px; gap: 10px; }
  .logo-badge { display: none; }
  .main { padding: 14px; gap: 14px; }
  .sidebar { grid-template-columns: 1fr; }
  .tab { padding: 12px 12px; font-size: 13px; }
  .sort-label { display: none; }
  .preview-panel { width: 100vw; }
}