/* ========== 旺來麻將 — 全域主題 ========== */
/* 賽博朋克霓虹 · 深紫藍漸層 · 玻璃態 · 金色點綴 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700;900&display=swap');

:root {
  /* 主色 */
  --bg-dark: #0a0a1a;
  --bg-gradient: linear-gradient(135deg, #0d0b2e 0%, #1a0a3e 40%, #0a1628 100%);
  --purple-deep: #2a1052;
  --purple-mid: #6c2bd9;
  --purple-light: #a855f7;
  --blue-deep: #0c1445;
  --blue-mid: #2563eb;
  --blue-light: #38bdf8;
  --cyan-neon: #00f0ff;
  --pink-neon: #ff2d95;
  --gold: #fbbf24;
  --gold-light: #fde68a;
  --gold-dark: #b8860b;

  /* 語義色 */
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #38bdf8;

  /* 玻璃態 */
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-blur: 16px;

  /* 文字 */
  --text-primary: #f0f0ff;
  --text-secondary: rgba(240, 240, 255, 0.6);
  --text-muted: rgba(240, 240, 255, 0.35);

  /* 霓虹發光 */
  --glow-purple: 0 0 20px rgba(168, 85, 247, 0.4);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.4);
  --glow-gold: 0 0 20px rgba(251, 191, 36, 0.4);
  --glow-pink: 0 0 20px rgba(255, 45, 149, 0.4);

  /* 圓角 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 字型 */
  --font-main: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-main);
  background: var(--bg-gradient);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

#app {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

/* ===== 螢幕容器 ===== */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.screen.landscape {
  flex-direction: row;
}

/* ===== 玻璃態卡片 ===== */
.glass {
  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-md);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
}

/* ===== 霓虹文字 ===== */
.neon-text {
  text-shadow:
    0 0 7px var(--cyan-neon),
    0 0 20px var(--cyan-neon),
    0 0 42px rgba(0, 240, 255, 0.3);
}

.neon-text-purple {
  text-shadow:
    0 0 7px var(--purple-light),
    0 0 20px var(--purple-light),
    0 0 42px rgba(168, 85, 247, 0.3);
}

.neon-text-gold {
  color: var(--gold);
  text-shadow:
    0 0 7px var(--gold),
    0 0 20px rgba(251, 191, 36, 0.5);
}

/* ===== 按鈕 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple-mid), var(--blue-mid));
  color: #fff;
  box-shadow: var(--glow-purple);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #1a0a2e;
  box-shadow: var(--glow-gold);
}

.btn-cyan {
  background: linear-gradient(135deg, #0891b2, var(--cyan-neon));
  color: #0a0a1a;
  box-shadow: var(--glow-cyan);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-outline:active {
  background: rgba(255,255,255,0.08);
}

.btn-green {
  background: linear-gradient(135deg, #15803d, #22c55e);
  color: #fff;
}

.btn-pink {
  background: linear-gradient(135deg, #be185d, var(--pink-neon));
  color: #fff;
  box-shadow: var(--glow-pink);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 18px;
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

/* ===== 頭像 ===== */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-mid), var(--blue-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  border: 2px solid var(--gold);
  flex-shrink: 0;
}

.avatar-sm { width: 36px; height: 36px; font-size: 15px; }
.avatar-lg { width: 64px; height: 64px; font-size: 28px; }

/* ===== 動畫 ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 240, 255, 0.3); }
  50% { box-shadow: 0 0 30px rgba(0, 240, 255, 0.6); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.animate-fade-in { animation: fadeIn 0.4s ease-out; }
.animate-pulse-glow { animation: pulseGlow 2s infinite; }
.animate-float { animation: floatUp 3s ease-in-out infinite; }

/* ===== 隱藏滾動條 ===== */
.screen::-webkit-scrollbar { display: none; }
.screen { -ms-overflow-style: none; scrollbar-width: none; }

/* ===== 安全區域 ===== */
@supports (padding: env(safe-area-inset-top)) {
  .safe-top { padding-top: env(safe-area-inset-top); }
  .safe-bottom { padding-bottom: env(safe-area-inset-bottom); }
}