/* theme.css - 八字冷暖表 手機 Apps 風格增強最終版 (2026.02.19) */
/* 保留原始主題變數，優化按鈕、表格、觸控體驗 */

:root {
  --bg-body: linear-gradient(145deg, #fdf5f0 0%, #f0e7db 100%);
  --bg-container: rgba(255,255,255,0.9);
  --backdrop: blur(8px);
  --shadow-container: 0 12px 30px rgba(0,0,0,0.15);
  --border-container: 1px solid rgba(255,245,235,0.6);
  --text-main: #4a3b2c;
  --text-sub: #9b7b6b;
  --text-light: #7a5d4e;
  --text-muted: #836e5f;
  --primary: #cfa189;
  --primary-hover: #b8866b;
  --primary-shadow: rgba(170,130,100,0.3);
  --bg-form: #fff8f2;
  --bg-ad: #f3ede7;
  --border-ad: 1px dashed #b9a291;
  --text-ad: #7d6657;
  --bg-privacy: #d4edda;
  --text-privacy: #155724;
  --border-privacy: 4px solid #28a745;
  --bg-charity: #e9dad1;
  --text-charity: #4e3e33;
  --border-charity: 6px solid #b3927e;
  --bg-preview: #f0e0d0;
  --border-input: #dccbbd;
  --focus-border: #b28b7a;
  --focus-ring: rgba(210,150,130,0.3);
  --required: #c44536;
  --table-header-bg: #bda79b;
  --table-header-text: white;
  --table-even: #faf3ed;
  --table-border: #ecdacf;
  --dayun-header: #dccbbd;
  --positive-color: #c44536;
  --negative-color: #1e90ff;
  --footer-font: 0.95rem;
  --footer-small: 0.82rem;
  --footer-opacity: 0.85;
  --spacing: 1rem;
  --font-base: 16px;
  --ripple-color: rgba(255,255,255,0.3);
  --card-shadow: 0 4px 12px rgba(0,0,0,0.08);
  --btn-shadow: 0 8px 16px rgba(170,130,100,0.3);
  --btn-shadow-hover: 0 12px 24px rgba(170,130,100,0.4);
  --btn-press-scale: 0.97;
  --border-radius-card: 28px;
  --border-radius-button: 40px;
  --border-radius-item: 24px;
}

/* 新年紅主題 */
[data-theme="red"] {
  --bg-body: linear-gradient(145deg, #9d2a2a 0%, #c0392b 100%);
  --bg-container: rgba(220, 20, 20, 0.9);
  --text-main: #ffecb3;
  --text-sub: #ffe082;
  --text-light: #ffd54f;
  --text-muted: #ffb74d;
  --primary: #ff4d4d;
  --primary-hover: #e03a3a;
  --primary-shadow: rgba(255, 215, 0, 0.5);
  --bg-form: #b22222;
  --bg-ad: #8b1a1a;
  --border-ad: 1px dashed #ffd700;
  --text-ad: #ffecb3;
  --bg-privacy: #ffd700;
  --text-privacy: #8b0000;
  --border-privacy: 4px solid #b8860b;
  --bg-charity: #d4af37;
  --text-charity: #8b0000;
  --border-charity: 6px solid #b22222;
  --bg-preview: #b03a2e;
  --border-input: #ffd700;
  --focus-border: #ffaa00;
  --focus-ring: rgba(255, 215, 0, 0.5);
  --table-header-bg: #b22222;
  --table-header-text: #ffd700;
  --table-even: #a52a2a;
  --table-border: #ffd700;
  --dayun-header: #8b1a1a;
  --positive-color: #ffaa00;
  --negative-color: #ffe082;
  --ripple-color: rgba(255,255,255,0.3);
  --card-shadow: 0 4px 12px rgba(0,0,0,0.2);
  --btn-shadow: 0 8px 16px rgba(255, 215, 0, 0.5);
  --btn-shadow-hover: 0 12px 24px rgba(255, 215, 0, 0.6);
}

/* 神秘黑主題 */
[data-theme="dark"] {
  --bg-body: #000000;
  --bg-container: #0a0a0a;
  --backdrop: none;
  --shadow-container: 0 12px 30px rgba(0,0,0,0.5);
  --border-container: 1px solid #222;
  --text-main: #ffffff;
  --text-sub: #cccccc;
  --text-light: #aaaaaa;
  --text-muted: #888888;
  --primary: #58A6FF;
  --primary-hover: #79b8ff;
  --primary-shadow: rgba(88,166,255,0.3);
  --bg-form: #111111;
  --bg-ad: #1a1a1a;
  --border-ad: 1px solid #333;
  --text-ad: #cccccc;
  --bg-privacy: #1a1a1a;
  --text-privacy: #ffffff;
  --border-privacy: none;
  --bg-charity: #1a1a1a;
  --text-charity: #ffffff;
  --border-charity: none;
  --bg-preview: #1a1a1a;
  --border-input: #333;
  --focus-border: #58A6FF;
  --focus-ring: rgba(88,166,255,0.3);
  --required: #FF5555;
  --table-header-bg: #1a1a1a;
  --table-header-text: #FFD966;
  --table-even: #111111;
  --table-border: #333;
  --dayun-header: #1a1a1a;
  --positive-color: #FF5555;
  --negative-color: #58A6FF;
  --ripple-color: rgba(255,255,255,0.1);
  --card-shadow: 0 4px 12px rgba(0,0,0,0.5);
  --btn-shadow: 0 8px 16px rgba(88,166,255,0.3);
  --btn-shadow-hover: 0 12px 24px rgba(88,166,255,0.4);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
html {
  font-size: var(--font-base);
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-body);
  margin: 0;
  padding: calc(var(--spacing) * 0.8);
  color: var(--text-main);
  line-height: 1.6;
  transition: background 0.3s ease;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  background: var(--bg-container);
  backdrop-filter: var(--backdrop);
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow-container);
  padding: 1.5rem;
  border: var(--border-container);
  transition: all 0.3s ease;
}

h1 {
  margin-top: 0;
  font-size: 2.2em;
  font-weight: 500;
  color: var(--text-main);
  text-align: center;
  border-bottom: 2px solid var(--border-input);
  padding-bottom: 20px;
  letter-spacing: 1px;
}
.sub {
  text-align: center;
  font-size: 1.2em;
  color: var(--text-sub);
  margin-bottom: 30px;
  font-style: italic;
}

.charity-note {
  background: var(--bg-charity);
  color: var(--text-charity);
  padding: 16px 24px;
  border-radius: 80px;
  margin: 20px 0;
  text-align: center;
  font-size: 1.1em;
  border-left: var(--border-charity);
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: var(--card-shadow);
}
.charity-note:hover {
  transform: scale(1.01);
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

.ad-container {
  margin: 30px 0;
  padding: 20px;
  background: var(--bg-ad);
  border-radius: 50px;
  text-align: center;
  border: var(--border-ad);
  color: var(--text-ad);
  box-shadow: var(--card-shadow);
}

.form-section {
  background: var(--bg-form);
  border-radius: var(--border-radius-item);
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.05), var(--card-shadow);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 25px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 25px;
}
.form-group { margin-bottom: 10px; }
label {
  display: block;
  font-size: 0.9em;
  color: var(--text-light);
  margin-bottom: 6px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
input, select {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-input);
  border-radius: var(--border-radius-button);
  font-size: 1em;
  background: rgba(255,255,255,0.1);
  color: var(--text-main);
  transition: all 0.2s ease;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
input:focus, select:focus {
  border-color: var(--focus-border);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* 按鈕 - Apps 風格 */
.btn {
  position: relative;
  overflow: hidden;
  background: var(--primary);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: var(--border-radius-button);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 8px 16px var(--primary-shadow);
  min-width: 200px;
  margin: 0.5rem 0;
  letter-spacing: 0.5px;
  width: auto;
  display: inline-block;
}
.btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px var(--primary-shadow);
}
.btn:active {
  transform: scale(var(--btn-press-scale));
  box-shadow: 0 4px 8px var(--primary-shadow);
}
.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--ripple-color);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%, -50%);
  transform-origin: 50% 50%;
}
.btn:focus:not(:active)::after {
  animation: ripple 0.6s ease-out;
}
@keyframes ripple {
  0% { transform: scale(0, 0); opacity: 0.5; }
  100% { transform: scale(20, 20); opacity: 0; }
}

.privacy-note {
  background: var(--bg-privacy);
  color: var(--text-privacy);
  padding: 12px 20px;
  border-radius: 40px;
  margin: 25px 0 10px;
  text-align: center;
  font-size: 0.95em;
  border-left: var(--border-privacy);
  box-shadow: var(--card-shadow);
}

.footer {
  margin-top: 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--footer-font);
  border-top: 1px solid var(--border-input);
  padding-top: 25px;
  line-height: 1.6;
}
.footer small {
  display: block;
  margin-top: 8px;
  font-size: var(--footer-small);
  opacity: var(--footer-opacity);
}
.required-star { color: var(--required); margin-left: 2px; }
#baziPreview {
  font-size: 1.2em;
  font-weight: bold;
  text-align: center;
  background: var(--bg-preview);
  padding: 15px;
  border-radius: var(--border-radius-item);
  box-shadow: var(--card-shadow);
}

/* 電腦表格 */
.result-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-form);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-container);
}
.result-table th {
  background: var(--table-header-bg);
  color: var(--table-header-text);
  padding: 12px 8px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.result-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--table-border);
  text-align: center;
}
.result-table tr:nth-child(even) { background: var(--table-even); }
.dayun-header td {
  background: var(--dayun-header);
  font-weight: bold;
  padding: 12px;
  text-align: left;
}
.score { font-weight: bold; color: var(--primary); }

/* 手機卡片版 (最終強化) */
@media (max-width: 768px) {
  body { padding: 0.6rem; font-size: 15px; }
  .container { padding: 1.2rem; border-radius: 20px; }
  h1 { font-size: 1.9rem; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 1rem; }
  input, select { padding: 0.9rem 1.1rem; font-size: 1.05rem; border-radius: 40px; }

  /* 手機上按鈕滿版加大 */
  .btn {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.2rem;
    min-height: 56px;
    margin: 0.5rem 0;
  }

  .footer { font-size: 0.9rem; padding-top: 1.2rem; }
  .footer small { font-size: 0.8rem; }

  /* 表格轉卡片列表 */
  .result-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
    background: transparent;
    box-shadow: none;
  }
  .result-table thead { display: none; }
  .result-table tr {
    display: block;
    margin-bottom: 1.2rem;
    background: var(--bg-form);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--table-border);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .result-table tr:active {
    transform: scale(0.98);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  }
  .result-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid var(--table-border);
    text-align: right;
    background: transparent;
    font-size: 1rem;
  }
  .result-table td:last-child { border-bottom: none; }
  .result-table td:before {
    content: attr(data-label);
    font-weight: bold;
    color: var(--text-sub);
    flex: 0 0 45%;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.95rem;
  }
  .dayun-header td {
    display: block;
    text-align: center;
    background: var(--dayun-header);
    color: var(--table-header-text);
    padding: 1rem;
    font-size: 1.15rem;
    font-weight: bold;
    border-radius: 16px 16px 0 0;
    margin-bottom: 0;
  }
  .dayun-header td:before { content: none !important; }

  /* 移除漣漪效果以提升效能 */
  .btn::after { display: none; }
}

/* 主題切換按鈕 */
#theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.1s;
}
#theme-toggle:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}
#theme-toggle:active {
  transform: scale(0.95);
}