/* ============================================================
   設計 tokens
   ============================================================ */
:root {
  --bg:            #08080a;
  --card:          rgba(255,255,255,0.025);
  --card-b:        rgba(255,255,255,0.06);
  --card-solid:    #121214;
  --text:          #f0f0f2;
  --dim:           #8b8d94;
  --faint:         #4f5058;

  --ps:            #4a92ff;
  --xbox:          #38cf6a;
  --ns:            #ff4f68;
  --ambient:       #1f8fff;

  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  --gap: 12px;
}

* { box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background-image: radial-gradient(ellipse 900px 550px at 20% -15%, rgba(31,143,255,0.13), transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
  position: relative;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  z-index: 999;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--ambient); color: #fff; }
:focus-visible { outline: 2px solid var(--ambient); outline-offset: 2px; border-radius: 4px; }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 60px;
  width: 100%;
}
@media (min-width: 480px) {
  .wrap { padding: 0 20px 60px; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero { padding-top: 34px; }

.hero-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.avatar {
  flex: none;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--card-solid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: var(--dim);
  position: relative;
  overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.avatar::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(150deg, var(--ambient), transparent 55%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.hero-text h1 {
  font-size: 25px;
  font-weight: 800;
  margin: 0 0 5px;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 13.5px;
  color: var(--dim);
  margin: 0;
}
.tagline .p { color: var(--ambient); }

.cursor {
  display: inline-block;
  width: 6px;
  color: var(--ambient);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ============================================================
   Tabs — 固定同寬、可隨小螢幕等比縮小、不撐滿整行
   ============================================================ */
/* 手機優先：預設是壓縮過的安全尺寸，四個按鈕保證塞得進最小的手機螢幕。
   overflow-x:auto 是最後一道防線 —— 萬一遇到極端窄的裝置，會變成可橫向
   滑動而不是把版面撐壞或截斷文字。正常情況下不會觸發到。 */
.tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 22px;
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--card-b);
  border-radius: 11px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  flex: none;
  width: 72px;
  height: 34px;
  position: relative;
  background: transparent;
  border: none;
  color: var(--dim);
  font-family: var(--mono);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.18s ease;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.tab .ghost {
  position: absolute;
  right: 6px;
  bottom: 4px;
  font-size: 9px;
  font-weight: 500;
  color: var(--faint);
  opacity: 0.4;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-align: right;
  filter: blur(0.8px);
  transform: scale(0.9);
  transition: all 0.22s ease;
  pointer-events: none;
}

.tab .lbl {
  position: relative;
  z-index: 1;
  display: block;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--dim);
  transition: color 0.18s ease;
  white-space: nowrap;
}

.tab.active {
  background: rgba(31,143,255,0.16);
  box-shadow: 0 0 0 1px rgba(31,143,255,0.3), 0 3px 14px rgba(31,143,255,0.16);
}
.tab.active .lbl {
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.55), 0 0 1px rgba(255,255,255,0.15);
}
.tab.active .ghost {
  color: var(--dim);
  opacity: 0.8;
  font-weight: 500;
  filter: blur(0);
  transform: scale(1);
}

/* 螢幕夠寬時，放大到完整定案版本（≥ 480px，一般大尺寸手機/平板起） */
@media (min-width: 480px) {
  .tabs { gap: 3px; padding: 6px; border-radius: 14px; }
  .tab { width: 94px; height: 37px; border-radius: 9px; }
  .tab .lbl { font-size: 16px; }
  .tab .ghost { font-size: 10px; right: 8px; bottom: 5px; }
}

/* ============================================================
   Grid & Cards
   ============================================================ */
main { padding-top: 4px; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

@media (min-width: 480px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 720px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 980px) {
  .grid { grid-template-columns: repeat(5, 1fr); }
}

.card {
  background: var(--card-solid);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  padding: 1.6px;
  cursor: default;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,0.45); }

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
  padding: 1.6px;
  background: linear-gradient(150deg, var(--edge, rgba(255,255,255,0.1)), transparent 55%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card-inner { background: var(--card-solid); border-radius: 11px; overflow: hidden; }

.card-cover {
  aspect-ratio: 1 / 1;
  width: 100%;
  background: #191a1d;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-cover.placeholder::before {
  content: attr(data-letter);
  font-size: 28px;
  font-weight: 800;
  color: var(--faint);
}

.card-body { padding: 9px 10px 10px; }

.card-en {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  height: 2.7em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-zh {
  font-size: 12px;
  color: var(--dim);
  margin-top: 3px;
  line-height: 1.3;
  height: 1.3em;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--faint);
  font-size: 13px;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  text-align: center;
  padding: 24px 0 0;
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.03em;
}