/**
 * ============================================================================
 * WC Sports — 全局視覺規範 (Global Design System)
 * ============================================================================
 * 用法：
 *   純 HTML：  <link rel="stylesheet" href="styles/global.css">
 * ============================================================================
 */

/* ── 1. Design Tokens ───────────────────────────────────────────────────── */

:root {
  /* 淺色基調 */
  --color-pitch: #f8fafc;
  --color-pitch-light: #f8fafc;
  --color-carbon: #f1f5f9;
  --color-night: #e2e8f0;
  --color-ink: #0f172a;

  /* 答題回饋（淺底深字，符合易讀性） */
  --color-answer-correct-bg: rgba(110, 231, 183, 0.88);
  --color-answer-correct-border: #14b8a6;
  --color-answer-wrong-bg: rgba(252, 165, 165, 0.9);
  --color-answer-wrong-border: #ef4444;
  --color-answer-feedback-text: #0f172a;

  /* 足球 / 體育核心色 */
  --color-neon-green: #22c55e;
  --color-neon-green-dim: #16a34a;
  --color-neon-green-glow: rgba(34, 197, 94, 0.15);
  --color-amber-gold: #d97706;
  --color-amber-gold-dim: #b45309;
  --color-amber-glow: rgba(217, 119, 6, 0.12);
  --color-neon-purple: #8b5cf6;
  --color-neon-magenta: #ec4899;
  --color-purple-glow: rgba(139, 92, 246, 0.12);
  --color-sky: #0ea5e9;
  --color-sky-dim: #0284c7;
  --color-sky-glow: rgba(14, 165, 233, 0.12);

  /* 玻璃擬態（淺色卡片 — 磨砂質感與適度不透明白底） */
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-bg-hover: rgba(255, 255, 255, 0.94);
  --glass-border: rgba(255, 255, 255, 0.9);
  --glass-border-hover: #cbd5e1;
  --glass-blur: 16px;
  --glass-shadow:
    0 10px 36px rgba(15, 23, 42, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);

  /* 文字 */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  /* 圓角 / 間距 */
  --radius-card: 24px;
  --radius-badge: 20px;
  --radius-glass: 20px;
  --pad-card: 1.75rem;
  --pad-section: 2rem;

  /* 微互動 */
  --transition-micro: all 0.3s ease;

  /* 字體 */
  --font-sans: "Inter", "Segoe UI", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-display: "Orbitron", "Rajdhani", "Segoe UI", sans-serif;
  --font-stat: "JetBrains Mono", "Consolas", ui-monospace, monospace;
}

/* ── 2. Base / 全局背景 ─────────────────────────────────────────────────── */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.wc-theme,
.wc-theme {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--color-pitch);
}

/** shadcn 風格 grid 背景（對應 grid-background.tsx） */
.page-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--color-pitch);
  background-image:
    linear-gradient(to right, rgba(203, 213, 225, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(203, 213, 225, 0.55) 1px, transparent 1px);
  background-size: 6rem 4rem;
}

/**
 * 馬卡龍多色夢幻光暈 — 襯托磨砂玻璃卡片透光感
 * 薄荷綠 / 粉天藍 / 柔粉 / 淡紫，blur 高、opacity 柔和
 */
.page-background__glow {
  position: absolute;
  inset: -6%;
  opacity: 0.78;
  filter: blur(90px);
  background:
    radial-gradient(ellipse 75% 55% at 12% 18%, rgba(110, 231, 183, 0.95) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 88% 22%, rgba(125, 211, 252, 0.9) 0%, transparent 52%),
    radial-gradient(ellipse 65% 55% at 72% 78%, rgba(196, 181, 253, 0.85) 0%, transparent 50%),
    radial-gradient(ellipse 60% 48% at 28% 82%, rgba(251, 182, 193, 0.82) 0%, transparent 48%),
    radial-gradient(ellipse 55% 45% at 50% 48%, rgba(186, 230, 253, 0.7) 0%, transparent 58%);
}

.wc-theme > *:not(.page-background):not(.lang-switcher):not(#copy-toast) {
  position: relative;
  z-index: 1;
}

/* ── 3. 玻璃擬態（Glassmorphism）────────────────────────────────────────── */

.glass,
.glass-card,
.glass-nav,
.glass-modal {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.05);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.05);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-micro);
}

.glass-card {
  border-radius: var(--radius-card);
  padding: var(--pad-card);
}

.glass-nav {
  border-radius: var(--radius-glass);
  padding: 0.875rem 1.25rem;
}

.glass-modal {
  border-radius: var(--radius-card);
  padding: var(--pad-section);
}

.glass:hover,
.glass-card:hover,
.glass-nav:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
}

/** Live / Active 狀態 — 螢光綠外發光 */
.glass--live,
.glass-card--live {
  border-color: rgba(93, 224, 66, 0.35);
  box-shadow: var(--glass-shadow);
}

.glass--live:hover,
.glass-card--live:hover {
  border-color: rgba(93, 224, 66, 0.45);
}

/** Ongoing / Warning — 琥珀金 */
.glass--warning {
  border-color: rgba(245, 185, 66, 0.35);
  box-shadow: var(--glass-shadow);
}

/** Special / Highlight */
.glass--highlight {
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: var(--glass-shadow);
}

/* ── 4. 按鈕 ───────────────────────────────────────────────────────────── */

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  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(--radius-badge);
  cursor: pointer;
  transition: var(--transition-micro);
  text-decoration: none;
}

.btn-glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
}

.btn-neon {
  color: #fff;
  background: var(--color-neon-green);
  border: 1px solid rgba(34, 197, 94, 0.45);
  box-shadow: var(--glass-shadow);
}

.btn-neon:hover {
  filter: brightness(1.06);
}

.btn-amber {
  color: #fff;
  background: var(--color-amber-gold);
  border: 1px solid rgba(217, 119, 6, 0.4);
  box-shadow: var(--glass-shadow);
}

.btn-purple {
  color: #fff;
  background: linear-gradient(135deg, var(--color-neon-purple), var(--color-neon-magenta));
  border: 1px solid rgba(191, 90, 242, 0.4);
  box-shadow: var(--glass-shadow);
}

/* ── 5. 標籤 Badge ─────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-badge);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  transition: var(--transition-micro);
}

.badge--live {
  color: var(--color-neon-green);
  border-color: rgba(93, 224, 66, 0.4);
}

.badge--ongoing {
  color: var(--color-amber-gold);
  border-color: rgba(255, 176, 32, 0.4);
}

.badge--special {
  color: var(--color-sky);
  border-color: rgba(56, 189, 248, 0.4);
}

.badge__icon {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
}

/* ── 6. 數據字體 Typography ────────────────────────────────────────────── */

.stat-value {
  font-family: var(--font-stat);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.stat-value--live {
  color: var(--color-neon-green);
}

.stat-value--warning {
  color: var(--color-amber-gold);
}

.stat-value--highlight {
  color: var(--color-amber-gold);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-unit {
  font-family: var(--font-stat);
  font-size: 0.85em;
  font-weight: 600;
  color: var(--text-muted);
}

/* ── 7. 線性刻度尺 Linear Ruler / Timeline ─────────────────────────────── */
/**
 * 用於時間、進度、數值範圍 — 取代傳統 progress bar
 * HTML 範例：
 * <div class="linear-ruler" style="--ruler-value: 65;">
 *   <div class="linear-ruler__track">...</div>
 *   <div class="linear-ruler__cursor"></div>
 * </div>
 */

.linear-ruler {
  --ruler-value: 50;
  position: relative;
  width: 100%;
  padding: 0 0 0.25rem;
}

/** 數字 + 刻度尺本體（指針僅在 track 區域定位，避免與 header 重疊） */
.linear-ruler__meter {
  position: relative;
  padding-top: 1.625rem;
}

.linear-ruler__track-wrap {
  position: relative;
}

.linear-ruler__track {
  position: relative;
  height: 2rem;
  border-top: 1px solid var(--glass-border);
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.03) 0%,
    transparent 100%
  );
}

/** 刻度線 */
.linear-ruler__track::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.12) 0,
    rgba(0, 0, 0, 0.12) 1px,
    transparent 1px,
    transparent calc(100% / 20)
  );
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

/** 主刻度（每 25%） */
.linear-ruler__track::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.2) 0,
    rgba(0, 0, 0, 0.2) 2px,
    transparent 2px,
    transparent 25%
  );
}

.linear-ruler__cursor {
  position: absolute;
  top: -2px;
  left: calc(var(--ruler-value) * 1%);
  transform: translateX(-50%);
  width: 3px;
  height: 2.25rem;
  background: var(--color-neon-green);
  border-radius: 2px;
  box-shadow: 0 0 6px var(--color-neon-green-glow);
  transition: left 0.4s ease;
}

.linear-ruler__cursor::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-neon-green);
  border-radius: 50%;
  background: #fff;
}

.linear-ruler--warning .linear-ruler__cursor {
  background: var(--color-amber-gold);
  box-shadow: 0 0 6px var(--color-amber-glow);
}

.linear-ruler--warning .linear-ruler__cursor::before {
  border-color: var(--color-amber-gold);
}

.linear-ruler__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.625rem;
  font-family: var(--font-stat);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.linear-ruler__value {
  position: absolute;
  top: 0;
  left: calc(var(--ruler-value) * 1%);
  transform: translateX(-50%);
  font-family: var(--font-stat);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-neon-green);
  white-space: nowrap;
  pointer-events: none;
}

/* ── 8. 音量波形圖 Audio-wave Data Visuals ─────────────────────────────── */

.audio-wave {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  height: 4rem;
  padding: 0.5rem 0;
}

.audio-wave__bar {
  width: 4px;
  min-height: 8px;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(
    180deg,
    var(--color-neon-green) 0%,
    rgba(93, 224, 66, 0.25) 100%
  );
  transform-origin: bottom;
  transition: height 0.3s ease, opacity 0.3s ease;
}

.audio-wave--animated .audio-wave__bar {
  animation: wc-wave-bar 1.2s ease-in-out infinite;
}

.audio-wave--animated .audio-wave__bar:nth-child(odd) {
  animation-delay: 0.15s;
}

.audio-wave--animated .audio-wave__bar:nth-child(3n) {
  animation-delay: 0.3s;
}

.audio-wave--warning .audio-wave__bar {
  background: linear-gradient(180deg, var(--color-amber-gold) 0%, rgba(255, 176, 32, 0.25) 100%);
}

.audio-wave--highlight .audio-wave__bar {
  background: linear-gradient(180deg, var(--color-neon-purple) 0%, rgba(191, 90, 242, 0.25) 100%);
}

@keyframes wc-wave-bar {
  0%, 100% { transform: scaleY(0.4); opacity: 0.6; }
  50% { transform: scaleY(1); opacity: 1; }
}

/** 統計卡片容器 */
.stat-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.stat-panel__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── 9. 佈局輔助 ───────────────────────────────────────────────────────── */

.wc-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.wc-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.wc-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .wc-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wc-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .wc-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── 10. 文字色彩工具類 ─────────────────────────────────────────────────── */

.text-live { color: var(--color-neon-green); }
.text-ongoing { color: var(--color-amber-gold); }
.text-special { color: var(--color-neon-purple); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.glow-green { box-shadow: var(--glass-shadow); }
.glow-amber { box-shadow: var(--glass-shadow); }
.glow-purple { box-shadow: var(--glass-shadow); }

/* ── 11. 無障礙：減少動態 ─────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}