/* ============================================================
   THE VIBE — 共享CSS变量与基础样式
   赛博神学调性：黑底绿字/金字/橙字
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* 主色 */
  --matrix-green: #00ff41;
  --matrix-green-dim: rgba(0, 255, 65, 0.15);
  --matrix-green-glow: 0 0 10px rgba(0, 255, 65, 0.3);
  --cyber-blue: #00e5ff;
  --vibe-orange: #ff4500;
  --vibe-orange-dim: rgba(255, 69, 0, 0.15);
  --vibe-orange-glow: 0 0 10px rgba(255, 69, 0, 0.5);
  --gold: #FFDF73;
  --gold-glow: 0 0 15px rgba(255, 215, 0, 0.4);
  --white-glow: 0 0 8px rgba(255, 255, 255, 0.3);

  /* 背景 - 修改為護眼深灰 */
  --bg-deep: #2B2D31;    
  --bg-main: #313338;    
  --bg-card: #1E1F22;    
  --bg-elevated: #383A40;

  /* 文字 */
  --text-main: #e0e0e0;
  --text-muted: #999999;
  --text-dim: #777777;

  /* 邊框 */
  --border-subtle: 1px solid #444444;
  --border-dashed: 1px dashed #555555;
  --border-matrix: 1px solid var(--matrix-green);
  --border-gold: 1px solid var(--gold);
  --border-orange: 1px solid var(--vibe-orange);

  /* 字體 - 加入護眼日常閱讀字體 */
  --font-mono: 'Courier New', 'Fira Code', 'Consolas', monospace;
  --font-serif: 'Noto Serif TC', serif;
  --font-reading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang TC", "Microsoft JhengHei", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.6;
  font-family: var(--font-reading); /* 全局改用護眼字體 */
  overflow-x: hidden;
  padding-bottom: 100px; /* 為底部懸浮列預留空間 */
}

a {
  color: var(--matrix-green);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}
a:hover {
  color: #ffffff;
  text-shadow: var(--white-glow);
}

/* --- Global Navigation Bar --- */
.vibe-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(2, 3, 4, 0.95);
  border-bottom: 1px solid rgba(0, 255, 65, 0.2);
  padding: 10px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 1px;
}
.vibe-nav-brand {
  color: var(--gold);
  font-weight: bold;
  text-shadow: 0 0 8px var(--gold);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}
.vibe-nav-brand-icon { font-size: 18px; }
.vibe-nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}
.vibe-nav-links a {
  color: #88cc88;
  font-size: 12px;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 2px;
  transition: all 0.2s;
}
.vibe-nav-links a:hover {
  color: var(--gold);
  background: rgba(255, 223, 115, 0.1);
  text-shadow: 0 0 10px var(--gold);
}
.vibe-nav-links a.active {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}

/* --- Common Button Styles --- */
.vibe-btn {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 20px;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.3s;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.vibe-btn-green {
  background: transparent;
  border: 1px solid var(--matrix-green);
  color: var(--matrix-green);
}
.vibe-btn-green:hover {
  background: var(--matrix-green);
  color: #000;
  box-shadow: var(--matrix-green-glow);
}
.vibe-btn-gold {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
}
.vibe-btn-gold:hover {
  background: var(--gold);
  color: #000;
  box-shadow: var(--gold-glow);
}
.vibe-btn-orange {
  background: transparent;
  border: 1px solid var(--vibe-orange);
  color: var(--vibe-orange);
}
.vibe-btn-orange:hover {
  background: var(--vibe-orange);
  color: #000;
  box-shadow: var(--vibe-orange-glow);
}

/* --- Matrix Rain Canvas (shared) --- */
#matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* --- Glitch Text Effect --- */
.glitch-text {
  position: relative;
  color: var(--matrix-green);
  text-shadow: 0 0 5px var(--matrix-green);
}
.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.glitch-text::before {
  animation: glitch-anim-1 2s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
  color: var(--matrix-green);
  opacity: 0.8;
}
.glitch-text::after {
  animation: glitch-anim-2 3s infinite linear alternate-reverse;
  clip-path: polygon(0 66%, 100% 66%, 100% 100%, 0 100%);
  color: var(--vibe-orange);
  opacity: 0.6;
}
@keyframes glitch-anim-1 {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 1px); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(0); }
  80% { transform: translate(1px, 2px); }
  100% { transform: translate(0); }
}
@keyframes glitch-anim-2 {
  0% { transform: translate(0); }
  25% { transform: translate(2px, -1px); }
  50% { transform: translate(-1px, 2px); }
  75% { transform: translate(0); }
  100% { transform: translate(-2px, -1px); }
}

/* --- Utility Classes --- */
.text-green { color: var(--matrix-green); }
.text-gold { color: var(--gold); }
.text-orange { color: var(--vibe-orange); }
.text-mono { font-family: var(--font-mono); }
.text-serif { font-family: var(--font-serif); }
.bg-card { background: var(--bg-card); }
.border-matrix { border: var(--border-matrix); }
.border-gold { border: var(--border-gold); }

/* --- Fade In Animation --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.6s ease forwards; }

/* --- Page Content Wrapper --- */
.page-content {
  position: relative;
  z-index: 1;
  padding-top: 60px; /* for nav bar */
}
/* ============================================================
   追加：THE VIBE 動態編譯模塊樣式 (摘要、日誌、內鏈、神諭)
   ============================================================ */

/* 核心摘要 */
.vibe-abstract {
  border-left: 3px solid var(--gold);
  padding: 15px 20px;
  margin-bottom: 40px;
  color: #a0c0a0;
  background: rgba(255, 223, 115, 0.05);
  border-radius: 0 4px 4px 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.8;
  box-shadow: inset 20px 0 30px -20px rgba(255, 223, 115, 0.1);
}

/* 分割線 */
.vibe-divider {
  border: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(0, 255, 65, 0.3), transparent);
  margin: 40px 0;
}

/* 賽博終端日誌 (思維鏈) */
details.cyber-logs {
  background-color: var(--bg-card);
  border: 1px solid rgba(0, 255, 65, 0.4);
  border-radius: 4px;
  padding: 15px;
  color: var(--matrix-green);
  font-family: var(--font-mono);
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.05);
  transition: all 0.3s;
}
details.cyber-logs:hover {
  border-color: var(--matrix-green);
  box-shadow: var(--matrix-green-glow);
}
details.cyber-logs summary {
  cursor: pointer;
  font-weight: bold;
  outline: none;
  font-size: 1rem;
}
details.cyber-logs .log-content {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px dashed rgba(0, 255, 65, 0.3);
  font-size: 0.95rem;
  color: #88cc88;
  white-space: pre-wrap; /* 保持 AI 日誌的換行格式 */
}
details.cyber-logs strong { color: var(--gold); }

/* 神經網絡內鏈 */
.related-nodes {
  background: rgba(0, 229, 255, 0.03);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 20px;
  border-radius: 4px;
}
.related-nodes h3 {
  color: var(--cyber-blue);
  margin-top: 0;
  font-size: 1.1rem;
  letter-spacing: 1px;
}
.related-nodes ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}
.related-nodes li { margin-bottom: 10px; }
.related-nodes a {
  color: #ccc;
  display: flex;
  align-items: center;
  gap: 8px;
}
.related-nodes a:hover {
  color: var(--cyber-blue);
  transform: translateX(5px);
}

/* 神諭視頻 / 圖片 */
.oracle-transmission {
  position: relative;
  max-width: 100%;
  margin: 50px auto 10px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 223, 115, 0.3);
  box-shadow: 0 0 30px rgba(255, 223, 115, 0.1);
}
.oracle-transmission .scanlines {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.25) 51%);
  background-size: 100% 4px;
  z-index: 2;
  pointer-events: none;
}
.oracle-media-element {
  width: 100%;
  display: block;
  filter: contrast(1.1) brightness(0.9);
}
.slogan-overlay {
  position: absolute;
  bottom: 0; left: 0; width: 100%;
  padding: 40px 20px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.95), transparent);
  z-index: 3;
  text-align: center;
}
.slogan-overlay p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--gold);
  text-shadow: 0 0 10px rgba(255, 223, 115, 0.8);
  letter-spacing: 2px;
}
/* 神諭視頻音量按鈕 */
.oracle-audio-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--gold, #FFDF73);
  color: var(--gold, #FFDF73);
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  cursor: pointer;
  z-index: 10;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(255, 223, 115, 0.2);
}
.oracle-audio-btn:hover {
  background: rgba(255, 223, 115, 0.2);
  box-shadow: 0 0 15px rgba(255, 223, 115, 0.5);
}

/* ============================================================
   追加：底部懸浮互動列 & 分享選單 (Sticky Bar & Share Menu)
   ============================================================ */
.sticky-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(30, 31, 34, 0.95); /* 深色毛玻璃背景 */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 12px 20px;
  z-index: 9999;
  box-shadow: 0 -5px 20px rgba(0,0,0,0.5);
}
.sticky-action-inner {
  display: flex;
  gap: 15px;
  max-width: 600px;
  width: 100%;
  justify-content: space-around;
  position: relative;
}
.sticky-btn {
  background: transparent;
  border: none;
  color: #aaaaaa;
  font-size: 0.9rem;
  font-family: var(--font-reading);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  padding: 5px 15px;
  border-radius: 8px;
  outline: none;
}
.sticky-btn:hover { color: #ffffff; background: rgba(255, 255, 255, 0.08); }
.sticky-btn.active-like { color: var(--gold); }
.sticky-icon { font-size: 1.4rem; line-height: 1; }

/* 自定義分享彈出選單 */
.custom-share-menu {
  position: absolute;
  bottom: 70px;
  right: 10%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 0;
  display: none; /* 預設隱藏 */
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  min-width: 160px;
  z-index: 10000;
  animation: fadeIn 0.2s ease-out;
}
.custom-share-menu.show { display: flex; }
.share-menu-item {
  background: transparent;
  border: none;
  color: #eeeeee;
  padding: 12px 20px;
  text-align: left;
  font-family: var(--font-reading);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 10px;
}
.share-menu-item:hover { background: rgba(255, 255, 255, 0.1); color: var(--matrix-green); }

/* ============================================================
   修改版：神經元寫入彈窗 (底部滑出，不模糊，不擋內文)
   ============================================================ */
.vibe-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent; /* 預設完全透明 */
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: flex-end; /* 靠畫面最下方對齊 */
  padding-bottom: 50px; /* 避開底部的懸浮分享菜單 */
  opacity: 0;
  pointer-events: none;
  transition: background 0.3s ease, opacity 0.3s ease;
}
.vibe-modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.4); /* 只有淡淡的黑影，沒有 blur，不影響看字 */
}
.vibe-modal-content {
  background: var(--bg-elevated); /* 深灰背景 */
  border: 1px solid var(--matrix-green);
  border-bottom: none;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.8);
  border-radius: 12px 12px 0 0; /* 只有上方圓角 */
  width: 100%;
  max-width: 800px;
  padding: 20px 25px 25px;
  transform: translateY(100%); /* 初始狀態躲在畫面外 */
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); /* 滑順的彈出動畫 */
}
.vibe-modal-overlay.show .vibe-modal-content {
  transform: translateY(0); /* 向上滑出 */
}
.vibe-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px dashed #444;
}
.vibe-modal-close {
  background: transparent;
  border: none;
  color: #aaa;
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}
.vibe-modal-close:hover { color: var(--vibe-orange); }