/* ====== 1. 變數與基礎設定 ====== */
:root {
  --color-bg-start: #f4f6f9; 
  --color-bg-end: #e5edf5;   
  --color-card: #ffffff;
  --color-text-main: #1f2937; 
  --color-text-muted: #64748b;
  --color-accent: #ff6b00;
  --color-accent-orange: #f97316;
  --color-trust-blue: #2563eb; 
  --color-trust-blue-bg: #eff6ff;
  --color-main: #115e59; 
  --color-red: #e11d48;
  --color-red-bg: #fff1f2;
  --color-green: #059669;
  --color-green-bg: #ecfdf5;
  --color-view: #d97706;
  --color-view-bg: #fffbeb;
  
  --color-tag-news-bg: #fef9c3; 
  --color-tag-news-text: #ca8a04;
  --color-tag-rent-bg: #4b5563; 
  --color-tag-rent-text: #f3f4f6;
  --color-tag-buy-bg: #ffedd5; 
  --color-tag-buy-text: #ea580c;

  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-h1: 24px;
  --radius-lg: 16px;
  --radius-btn: 16px;
  --motion-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --motion-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
  --shadow-base: 0 8px 20px rgba(0,0,0,0.04);
  --shadow-lg: 0 15px 35px rgba(0,0,0,0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  min-height: 100vh;
  width: 100vw;
  font-family: 'Inter', 'Noto Sans TC', system-ui, sans-serif;
  background: linear-gradient(135deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: var(--color-text-main);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-behavior: smooth; 
}

/* ====== 2. 佈局與排版 ====== */
.dashboard {
  max-width: 600px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 12px 12px calc(110px + env(safe-area-inset-bottom)) 12px; 
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ratio-16-9 { aspect-ratio: 16 / 9; height: auto !important; min-height: auto !important; }
.ratio-4-5 { aspect-ratio: 4 / 5; height: auto !important; min-height: auto !important; }
.ratio-1-1 { aspect-ratio: 1 / 1; height: auto !important; min-height: auto !important; }
.ratio-9-16 { aspect-ratio: 9 / 16; height: auto !important; min-height: auto !important; }

/* ====== 3. 頂部 Header ====== */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: opacity var(--motion-fast);
}

.brand-group:hover { opacity: 0.8; }

.brand-icon {
  width: 24px;
  height: 24px;
  color: var(--color-trust-blue);
  stroke-width: 2.5;
}

header h1 {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--color-text-main) 0%, #4b5563 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pulse-orange { animation: pulse-orange 2s infinite; animation-delay: 0s; }
.pulse-blue { animation: pulse-blue 2.3s infinite; animation-delay: 0.6s; }
.pulse-green { animation: pulse-green 2.6s infinite; animation-delay: 1.2s; }

@keyframes pulse-orange {
  0% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(249, 115, 22, 0); }
  100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
}
@keyframes pulse-blue {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}
@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(17, 94, 89, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(17, 94, 89, 0); }
  100% { box-shadow: 0 0 0 0 rgba(17, 94, 89, 0); }
}

.status-badge {
  font-size: 13px;
  color: var(--color-trust-blue);
  background-color: var(--color-trust-blue-bg);
  padding: 6px 14px;
  border-radius: 100px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
}

.stream-btn {
  color: var(--color-accent-orange) !important;
  background-color: var(--color-view-bg) !important;
  border: 1px solid rgba(249, 115, 22, 0.2) !important;
}

.badge-blue {
  background-color: #dbeafe !important;
  color: #1d4ed8 !important;
  border: 1px solid #93c5fd !important;
}
.badge-green {
  background-color: #d1fae5 !important;
  color: #047857 !important;
  border: 1px solid #6ee7b7 !important;
}

/* ====== 4. 通用卡片元件 (Widget) ====== */
.widget {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-base);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: transform var(--motion-base), box-shadow var(--motion-base);
}

.widget:hover {
  transform: translateY(-4px); 
  box-shadow: var(--shadow-lg);
}

.widget-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.widget-title { font-size: 18px; font-weight: 800; color: var(--color-text-main); }
.widget-icon { width: 22px; height: 22px; color: var(--color-trust-blue); }
.color-red { color: var(--color-red); }
.color-view { color: var(--color-view); }
.color-orange { color: var(--color-accent-orange); }
.color-green { color: var(--color-green); }
.color-main { color: var(--color-main); }

/* ====== 5. 圖片卡片與 Bento 網格 ====== */
.img-card {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  text-decoration: none; color: white; display: flex; flex-direction: column;
  justify-content: flex-end; padding: 16px; box-shadow: var(--shadow-base);
  transition: var(--motion-base); transform: translateZ(0);
}
.img-card:active { transform: scale(0.96); box-shadow: var(--shadow-sm); }
.img-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-size: cover; background-position: center; z-index: 1; transition: transform 0.5s var(--motion-base); }
.img-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 60%, rgba(0, 0, 0, 0.1) 100%); z-index: 2; }
.img-card.no-overlay::after { display: none; }
.img-card:hover::before { transform: scale(1.05); }
.img-card-content { position: relative; z-index: 3; display: flex; flex-direction: column; gap: 6px; }
.img-card-title { font-size: 17px; font-weight: 900; text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5); }
.img-card-subtitle { font-size: 13px; font-weight: 600; color: #ffeb3b; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6); }

.dynamic-bg::before { background-image: var(--dynamic-bg); background-color: #8e8e93; }

.bento-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; flex: 1; }
.bento-item { border-radius: var(--radius-lg); padding: 16px; font-size: 15px; overflow: hidden; }

.training-roll-card { 
  flex: 0 0 182px;
  text-decoration: none; 
  display: flex; 
  flex-direction: column; 
}
@media (max-width: 400px) { 
  .training-roll-card { flex: 0 0 169px; } 
}
.training-roll-img { 
  width: 100%; 
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-btn); 
  object-fit: cover; 
  box-shadow: var(--shadow-sm); 
  background-color: #f1f5f9;
  display: block; 
}
body.dark-mode .training-roll-img { background-color: #334155; }

/* ====== 6. 跑馬燈與專業化廣告 ====== */
.news-ticker {
  background-color: var(--color-card); border-radius: 100px; padding: 8px 12px;
  display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow-base);
  border: 1px solid rgba(255, 255, 255, 0.8); transition: transform var(--motion-fast);
}
.news-ticker-badge { font-size: 12px; font-weight: 800; padding: 5px 10px; border-radius: 100px; white-space: nowrap; flex-shrink: 0; }
.news-ticker-content { flex: 1; overflow: hidden; }

#new-case-link, #rent-sale-link {
  display: block; color: var(--color-text-main); text-decoration: none; font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: opacity 0.4s ease, transform 0.4s ease;
}
#new-case-link.fade-out, #rent-sale-link.fade-out { opacity: 0; transform: translateY(-8px); }

.ad-card { background: var(--color-card); border-radius: var(--radius-lg); padding: 16px 20px; display: flex; align-items: center; justify-content: center; gap: 12px; border: 2px dashed #e2e8f0; }
.ad-text { color: var(--color-text-muted); font-size: 14px; text-align: center; font-weight: 500;}
.ad-icon { width: 18px; height: 18px; color: var(--color-text-muted); animation: pulse-text 2s infinite; }

/* ====== 7. 新聞、觀點與骨架屏載入 ====== */
.skeleton-loader {
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
  background-size: 200% 100%; animation: loading 1.5s infinite; color: transparent !important;
  border-radius: 8px; padding: 15px; text-align: center; width: 100%;
}
@keyframes loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.rich-news-list { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; max-height: 250px; overflow-y: auto; padding-right: 4px; }
.rich-news-list::-webkit-scrollbar { width: 4px; }
.rich-news-list::-webkit-scrollbar-thumb { background: #e2e8f0; border-radius: 4px; }

.news-item { display: flex; align-items: center; gap: 12px; padding: 8px 12px; border-radius: var(--radius-btn); background-color: #f8fafc; text-decoration: none; }
.news-tag { font-size: 11px; font-weight: 800; padding: 4px 8px; border-radius: 6px; white-space: nowrap; flex-shrink: 0; }
.tag-news { background-color: var(--color-tag-news-bg); color: var(--color-tag-news-text); }       
.tag-rent { background-color: var(--color-tag-rent-bg); color: var(--color-tag-rent-text); }       
.tag-buy { background-color: var(--color-tag-buy-bg); color: var(--color-tag-buy-text); }       
.tag-view { background-color: var(--color-view-bg); color: var(--color-view); }       
.tag-sale { background-color: var(--color-trust-blue-bg); color: var(--color-trust-blue); }       

/* 新增：快訊來源的自訂顏色標籤 */
.tag-market { background-color: #fef08a; color: #ea580c; } /* 房市：黃底橘字 */
.tag-rent-new { background-color: #f3f4f6; color: #4b5563; } /* 租售：淺灰底深灰字 */
.tag-buy-new { background-color: #ffedd5; color: #c2410c; } /* 首購：淺橘底深橘字 */
.tag-deco { background-color: #f3e8ff; color: #7e22ce; } /* 裝潢：淺紫底深紫字 */

.news-title { font-size: 14px; font-weight: 500; color: var(--color-text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }

.viewpoint-row { display: flex; overflow-x: auto; gap: 16px; padding-bottom: 12px; -webkit-overflow-scrolling: touch; }
.viewpoint-row::-webkit-scrollbar { display: none; }
.viewpoint-card { flex: 0 0 182px; text-decoration: none; display: flex; flex-direction: column; gap: 8px; }
.viewpoint-img { width: 100%; aspect-ratio: 4 / 5; border-radius: var(--radius-btn); object-fit: cover; background-color: #f1f5f9; box-shadow: var(--shadow-sm); }
.viewpoint-title { font-size: 13px; font-weight: 600; color: var(--color-text-main); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ====== 8. Shorts 短影音區塊 ====== */
.shorts-row { display: flex; overflow-x: auto; gap: 12px; padding-bottom: 12px; scroll-behavior: auto; -webkit-overflow-scrolling: touch; }
.shorts-row::-webkit-scrollbar { height: 4px; }
.shorts-row::-webkit-scrollbar-thumb { background: #e5e5ea; border-radius: 4px; }
.short-card { flex: 0 0 120px; aspect-ratio: 9 / 16; border-radius: 16px; display: flex; flex-direction: column; justify-content: flex-end; padding: 12px; text-decoration: none; color: white; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); transition: transform var(--motion-fast); position: relative; overflow: hidden; background-size: cover; background-position: center; }
.short-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.4) 100%); z-index: 1; }
.short-card > * { z-index: 2; }
.short-play-icon { position: absolute; top: 12px; left: 12px; width: 24px; height: 24px; opacity: 0.9; }
.short-title { font-size: 14px; font-weight: 800; line-height: 1.3; }

/* ====== 9. 社群群組分類 ====== */
.group-tabs { 
  display: grid; 
  grid-template-columns: repeat(3, 1fr); 
  gap: 8px; 
  margin-bottom: 16px; 
}

.group-tab-btn { 
  width: 100%; 
  padding: 10px 2px; 
  border-radius: 12px; 
  border: 1px solid #e5e5ea; 
  background-color: #ffffff; 
  color: var(--color-text-muted); 
  font-size: 14.5px; 
  font-weight: 600; 
  cursor: pointer; 
  transition: var(--motion-fast); 
  text-align: center; 
  white-space: nowrap; 
  letter-spacing: 0.02em; 
}

@media (max-width: 400px) { 
  .group-tab-btn { font-size: 12.5px; padding: 8px 1px; } 
}

.group-content { display: none; }
.group-content.active { display: block; animation: fadeIn 0.4s ease; }

.grid-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }

.grid-btn { 
  padding: 10px 2px; 
  border-radius: 8px; 
  border: 1px solid #e5e5ea; 
  background-color: #ffffff; 
  color: var(--color-text-main); 
  font-size: 14.5px; 
  font-weight: 600; 
  text-align: center; 
  text-decoration: none; 
  white-space: nowrap;
}

@media (max-width: 480px) { 
  .grid-btn { font-size: 12.5px; padding: 8px 1px; } 
}

/* --- A. 艾巴柴居家群 (紫色系) --- */
.group-tab-btn.theme-ai { background-color: #faf5ff; border-color: #e9d5ff; color: #9333ea; }
.group-tab-btn.theme-ai.active { background-color: #f3e8ff; border-color: #9333ea; box-shadow: 0 0 0 1px #9333ea; }
.grid-btn.theme-ai { background-color: #faf5ff; border-color: #e9d5ff; color: #9333ea; }
.grid-btn.theme-ai:active { background-color: #f3e8ff; border-color: #9333ea; }

/* --- B. 壞巴柴租售群 (灰色系) --- */
.group-tab-btn.theme-bad { background-color: #f8fafc; border-color: #e2e8f0; color: #475569; }
.group-tab-btn.theme-bad.active { background-color: #f1f5f9; border-color: #475569; box-shadow: 0 0 0 1px #475569; }
.grid-btn.theme-bad { background-color: #f8fafc; border-color: #e2e8f0; color: #475569; }
.grid-btn.theme-bad:active { background-color: #f1f5f9; border-color: #475569; }

/* --- C. 歐巴柴房市群 (橘色系) --- */
.group-tab-btn.theme-regional { background-color: #fff7ed; border-color: #ffedd5; color: #ea580c; }
.group-tab-btn.theme-regional.active { background-color: #ffedd5; border-color: #ea580c; box-shadow: 0 0 0 1px #ea580c; }
.grid-btn.theme-regional { background-color: #fff7ed; border-color: #ffedd5; color: #ea580c; }
.grid-btn.theme-regional:active { background-color: #ffedd5; border-color: #ea580c; }

/* --- D. 住宅週報社群 (紅色系) --- */
.group-tab-btn.theme-official { background-color: #fff1f2; border-color: #ffe4e6; color: #e11d48; }
.group-tab-btn.theme-official.active { background-color: #ffe4e6; border-color: #e11d48; box-shadow: 0 0 0 1px #e11d48; }
.grid-btn.theme-official { background-color: #fff1f2; border-color: #ffe4e6; color: #e11d48; }
.grid-btn.theme-official:active { background-color: #ffe4e6; border-color: #e11d48; }

/* --- E. 推薦優站 (藍色系) --- */
.group-tab-btn.theme-trust { background-color: #eff6ff; border-color: #dbeafe; color: #2563eb; }
.group-tab-btn.theme-trust.active { background-color: #dbeafe; border-color: #2563eb; box-shadow: 0 0 0 1px #2563eb; }
.grid-btn.theme-trust { background-color: #eff6ff; border-color: #dbeafe; color: #2563eb; }
.grid-btn.theme-trust:active { background-color: #dbeafe; border-color: #2563eb; }

/* ====== 10. 搜尋膠囊與表單元素 ====== */
.select-wrapper { position: relative; }
.select-wrapper::after { content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke-width='3' stroke='%232563eb' class='w-6 h-6'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M8.25 15L12 18.75 15.75 15m-7.5-6L12 5.25 15.75 9'/%3E%3C/svg%3E"); position: absolute; right: 18px; top: 50%; transform: translateY(-50%); pointer-events: none; }
select { width: 100%; appearance: none; background-color: var(--color-trust-blue-bg); border: 1px solid transparent; color: var(--color-trust-blue); padding: 18px 20px; border-radius: var(--radius-btn); font-size: 16px; font-weight: 700; cursor: pointer; }

.search-pill { display: flex; align-items: center; background-color: var(--color-trust-blue-bg); border-radius: 100px; padding: 4px 6px 4px 18px; }
#nav-search-input { flex: 1; background: transparent; border: none; color: var(--color-text-main); font-size: 14px; font-weight: 600; padding: 8px 0; }
#nav-search-btn { background-color: var(--color-trust-blue); color: white; border: none; width: 36px; height: 36px; border-radius: 50%; display: flex; justify-content: center; align-items: center; }

.nav-autocomplete-list { position: absolute; top: calc(100% + 8px); left: 0; right: 0; background: white; border: 1px solid #ebedf0; border-radius: 16px; box-shadow: var(--shadow-lg); display: none; z-index: 1000; }
.nav-autocomplete-list .suggestion-item { padding: 12px 16px; border-bottom: 1px solid #f5f5f7; font-size: 14px; font-weight: 600; }
.match-highlight { color: var(--color-trust-blue); font-weight: 800; }

/* ====== 11. 頁尾與導覽列 ====== */
footer { margin-top: 32px; display: flex; flex-direction: column; align-items: center; }
.footer-nav { display: flex; justify-content: center; gap: 6px; width: 100%; padding-bottom: 20px; }
.footer-nav button { margin: 0; border: none; padding: 8px 4px; border-radius: 6px; font-size: 13px; font-weight: bold; flex: 1; display: flex; justify-content: center; align-items: center; background: linear-gradient(135deg, var(--color-accent-orange) 0%, #ff8c00 100%); color: white; }
.footer-copyright { font-size: var(--text-sm); color: var(--color-text-muted); text-align: center; line-height: 1.6; }

.bottom-bar {
  position: fixed; bottom: 0; left: 0; width: 100%;
  background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px);
  border-top: 1px solid rgba(0, 0, 0, 0.05); display: flex; justify-content: space-around;
  padding: 10px 0 calc(10px + env(safe-area-inset-bottom)); box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.04); z-index: 1000;
}
.bottom-bar a { display: flex; flex-direction: column; align-items: center; text-decoration: none; color: var(--color-text-muted); font-size: 11px; font-weight: 600; gap: 6px; flex: 1; }
.bottom-bar .icon { display: flex; justify-content: center; align-items: center; height: 24px; transition: color var(--motion-fast); }
.bottom-bar a:hover { color: var(--color-trust-blue); }

/* ====== 12. 回到頁首按鈕 ====== */
.back-to-top {
  position: fixed; bottom: calc(95px + env(safe-area-inset-bottom)); right: 20px;
  background: linear-gradient(135deg, var(--color-accent-orange) 0%, #ff8c00 100%);
  color: white; width: 44px; height: 44px; border-radius: 50%;
  display: flex; justify-content: center; align-items: center;
  font-size: 11px; font-weight: 900; border: none; cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4); z-index: 999; 
  opacity: 0; pointer-events: none; transform: translateY(20px); transition: 0.3s;
}
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ====== 13. 彈出視窗 (Modal) ====== */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; z-index: 2000; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content { background: var(--color-card); width: 90%; max-width: 480px; max-height: 85dvh; border-radius: 16px; padding: 0; display: flex; flex-direction: column; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid #ebedf0; }
.modal-title { font-size: 18px; font-weight: 800; color: var(--color-accent-orange); }
.modal-close { background: transparent; border: none; width: 32px; height: 32px; font-size: 22px; cursor: pointer; display: flex; justify-content: center; align-items: center; }
.modal-body { padding: 24px 20px; font-size: 15px; line-height: 1.7; overflow-y: auto; }

/* 輔助動畫 */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes breathe-text-anim { 0% { opacity: 0.3; } 50% { opacity: 1; } 100% { opacity: 0.3; } }
.breathe-text { animation: breathe-text-anim 2.5s infinite; }
@keyframes glow-search-anim { 0% { box-shadow: 0 0 5px rgba(37, 99, 235, 0.2); } 50% { box-shadow: 0 0 15px rgba(37, 99, 235, 0.6); } 100% { box-shadow: 0 0 5px rgba(37, 99, 235, 0.2); } }
.glowing-search { animation: glow-search-anim 2.5s infinite ease-in-out; }

/* 遊戲區塊卡片 */
.game-card { flex: 0 0 240px; text-decoration: none; display: flex; flex-direction: column; }
.game-img { width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius-btn); object-fit: cover; box-shadow: var(--shadow-sm); }

/* ====== 16. 深色/夜間模式 (Dark Mode) ====== */
body.dark-mode {
  --color-bg-start: #0f172a; 
  --color-bg-end: #1e293b;   
  --color-card: #1e293b;
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-trust-blue-bg: rgba(37, 99, 235, 0.15);
  --color-view-bg: rgba(217, 119, 6, 0.15);
  --color-tag-news-bg: rgba(202, 138, 4, 0.15); 
  --color-tag-news-text: #fde047;
  --color-tag-rent-bg: #374151; 
  --color-tag-rent-text: #e5e7eb;
  --color-tag-buy-bg: rgba(234, 88, 12, 0.15); 
  --color-tag-buy-text: #fdba74;
}

body.dark-mode .widget, body.dark-mode .news-ticker { border: 1px solid rgba(255, 255, 255, 0.05); }
body.dark-mode header h1 { background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 100%); -webkit-background-clip: text; }
body.dark-mode .news-item { background-color: #334155; }
body.dark-mode .viewpoint-img, body.dark-mode .game-img { background-color: #334155; }
body.dark-mode select, body.dark-mode .search-pill, body.dark-mode .nav-autocomplete-list { background-color: #334155; border-color: #475569; }
body.dark-mode .bottom-bar { background-color: rgba(30, 41, 59, 0.95); }
body.dark-mode .modal-content { background: var(--color-card); }
body.dark-mode .group-tab-btn { background-color: #334155; }
body.dark-mode .skeleton-loader { background: linear-gradient(90deg, #334155 25%, #475569 50%, #334155 75%); background-size: 200% 100%; }

body.dark-mode .badge-blue { background-color: rgba(37, 99, 235, 0.25) !important; color: #93c5fd !important; border-color: rgba(37, 99, 235, 0.5) !important; }
body.dark-mode .badge-green { background-color: rgba(5, 150, 105, 0.25) !important; color: #6ee7b7 !important; border-color: rgba(5, 150, 105, 0.5) !important; }
/* 夜間模式的群組標籤常駐色微調 */
body.dark-mode .group-tab-btn.theme-ai { background-color: rgba(147, 51, 234, 0.15); border-color: rgba(147, 51, 234, 0.3); color: #c084fc; }
body.dark-mode .group-tab-btn.theme-bad { background-color: rgba(71, 85, 105, 0.2); border-color: rgba(71, 85, 105, 0.4); color: #94a3b8; }
body.dark-mode .group-tab-btn.theme-regional { background-color: rgba(234, 88, 12, 0.15); border-color: rgba(234, 88, 12, 0.3); color: #fb923c; }
body.dark-mode .group-tab-btn.theme-official { background-color: rgba(225, 29, 72, 0.15); border-color: rgba(225, 29, 72, 0.3); color: #fb7185; }
body.dark-mode .group-tab-btn.theme-trust { background-color: rgba(37, 99, 235, 0.15); border-color: rgba(37, 99, 235, 0.3); color: #60a5fa; }

/* ====== 17. 封面故事 ====== */
.cover-story-wrapper { overflow: hidden; transition: all 0.8s; background-size: cover; background-position: center; position: relative; border-radius: var(--radius-lg); display: flex; flex-direction: column; justify-content: flex-end; }
.cover-story-wrapper.expanded { height: 500px; padding: 24px; }
.cover-story-wrapper.collapsed { height: 85px; padding: 10px 20px; justify-content: center; }
.cover-story-wrapper::after { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 100%); z-index: 1; }
.cover-content { position: relative; z-index: 2; }
.cover-tag { display: inline-block; background: var(--color-red); color: white; padding: 4px 10px; border-radius: 100px; font-size: 12px; margin-bottom: 8px; }
.cover-title { font-size: 24px; font-weight: 900; color: white; margin-bottom: 8px; }
.cover-subtitle { font-size: 14px; color: #f8fafc; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cover-story-wrapper.collapsed .cover-subtitle { opacity: 0; height: 0; }
.cover-toggle-btn { position: absolute; right: 16px; width: 30px; height: 30px; border-radius: 50%; background: rgba(0, 0, 0, 0.4); color: white; border: 1px solid rgba(255, 255, 255, 0.3); display: flex; align-items: center; justify-content: center; z-index: 10; }

/* ====== 18. 資訊流 (Feed) ====== */
.feed-container { max-width: 100%; margin: 0 auto; padding-bottom: 20px; }

.feed-card {
  border-radius: 16px; overflow: hidden; margin-bottom: 20px;
  box-shadow: var(--shadow-base); text-decoration: none; display: flex; flex-direction: column;
  transition: transform var(--motion-fast); 
  background: var(--color-card); 
  border: 1px solid #f1f5f9; 
}
.feed-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.feed-card.theme-default { background: #ffffff; border-color: #f1f5f9; } 
.feed-card.theme-rent { background: #f8fafc; border-color: #e2e8f0; }    
.feed-card.theme-tool { background: #ecfdf5; border-color: #d1fae5; }    
.feed-card.theme-news { background: #fffbeb; border-color: #fef08a; }    
.feed-card.theme-buy  { background: #fff7ed; border-color: #ffedd5; }    
.feed-card.theme-game { background: #faf5ff; border-color: #f3e8ff; }    
.feed-card.theme-social { background: #f0f9ff; border-color: #e0f2fe; }  
.feed-card.theme-video { background: #fff1f2; border-color: #ffe4e6; }   

.feed-card.theme-ad { background: #ffffff; border: 1px solid #fbbf24; box-shadow: 0 4px 15px rgba(245, 158, 11, 0.08); }
.feed-card.theme-ad-alt1 { background: #ffffff; border: 1px solid #34d399; box-shadow: 0 4px 15px rgba(16, 185, 129, 0.08); }
.feed-card.theme-ad-alt2 { background: #ffffff; border: 1px solid #c084fc; box-shadow: 0 4px 15px rgba(168, 85, 247, 0.08); }

.feed-card.theme-ad .feed-title, .feed-card.theme-ad-alt1 .feed-title, .feed-card.theme-ad-alt2 .feed-title { color: var(--color-text-main); text-shadow: none; }
.feed-card.theme-ad .feed-snippet, .feed-card.theme-ad-alt1 .feed-snippet, .feed-card.theme-ad-alt2 .feed-snippet { color: var(--color-text-muted); font-weight: normal; }

body.dark-mode .feed-card { background: var(--color-card); border-color: rgba(255,255,255,0.05); }
body.dark-mode .feed-card.theme-default { background: var(--color-card); border-color: rgba(255, 255, 255, 0.05); }
body.dark-mode .feed-card.theme-news { background: rgba(251, 191, 36, 0.03); border-color: rgba(251, 191, 36, 0.15); }
body.dark-mode .feed-card.theme-rent { background: rgba(148, 163, 184, 0.05); border-color: rgba(148, 163, 184, 0.15); }
body.dark-mode .feed-card.theme-buy  { background: rgba(249, 115, 22, 0.03); border-color: rgba(249, 115, 22, 0.15); }
body.dark-mode .feed-card.theme-tool { background: rgba(16, 185, 129, 0.03); border-color: rgba(16, 185, 129, 0.15); }

body.dark-mode .feed-card.theme-ad { background: rgba(245, 158, 11, 0.05); border-color: rgba(245, 158, 11, 0.3); box-shadow: 0 4px 15px rgba(245, 158, 11, 0.05); }
body.dark-mode .feed-card.theme-ad-alt1 { background: rgba(16, 185, 129, 0.05); border-color: rgba(16, 185, 129, 0.3); box-shadow: 0 4px 15px rgba(16, 185, 129, 0.05); }
body.dark-mode .feed-card.theme-ad-alt2 { background: rgba(168, 85, 247, 0.05); border-color: rgba(168, 85, 247, 0.3); box-shadow: 0 4px 15px rgba(168, 85, 247, 0.05); }

body.dark-mode .feed-card.theme-ad .feed-title, body.dark-mode .feed-card.theme-ad-alt1 .feed-title, body.dark-mode .feed-card.theme-ad-alt2 .feed-title { color: #f8fafc; text-shadow: none; }
body.dark-mode .feed-card.theme-ad .feed-snippet, body.dark-mode .feed-card.theme-ad-alt1 .feed-snippet, body.dark-mode .feed-card.theme-ad-alt2 .feed-snippet { color: #94a3b8; }

.feed-img-wrap { width: 100%; overflow: hidden; background-color: #f1f5f9; position: relative; }
body.dark-mode .feed-img-wrap { background-color: #334155; }
.feed-img { width: 100%; height: 100%; object-fit: cover; display: block; }

.feed-content { padding: 18px 20px; }
.feed-title { font-size: 20px; line-height: 1.4; margin: 0 0 8px 0; color: var(--color-text-main); font-weight: 800; }
.feed-snippet { font-size: 15px; color: var(--color-text-muted); line-height: 1.6; margin: 0; }

.feed-badge { display: inline-block; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 800; margin-bottom: 12px; letter-spacing: 0.05em; border: 1px solid transparent; }
.feed-badge.type-view { background-color: var(--color-view-bg); color: var(--color-view); }
.feed-badge.type-column { background-color: var(--color-green-bg); color: var(--color-green); }
.feed-badge.type-news { background-color: var(--color-tag-news-bg); color: var(--color-tag-news-text); }
.feed-badge.type-rent { background-color: var(--color-tag-rent-bg); color: var(--color-tag-rent-text); }
.feed-badge.type-buy { background-color: var(--color-tag-buy-bg); color: var(--color-tag-buy-text); }
.feed-badge.type-blue { background-color: var(--color-trust-blue-bg); color: var(--color-trust-blue); }
.feed-badge.type-purple { background-color: #f3e8ff; color: #7e22ce; }
.feed-badge.type-line { background-color: #dcfce7; color: #047857; }
.feed-badge.type-yt { background-color: #ffe4e6; color: #be123c; }
.feed-badge.type-ad { background-color: #ffffff; color: #b45309; border: 1px solid #fde68a; } 

body.dark-mode .feed-badge.type-purple { background-color: rgba(147, 51, 234, 0.15); color: #c084fc; }
body.dark-mode .feed-badge.type-line { background-color: rgba(16, 185, 129, 0.15); color: #34d399; }
body.dark-mode .feed-badge.type-yt { background-color: rgba(225, 29, 72, 0.15); color: #fb7185; }
body.dark-mode .feed-badge.type-ad { background-color: rgba(255, 255, 255, 0.05); border-color: rgba(217, 119, 6, 0.3); color: #fbbf24; }