/* ══════════════════════════════════════════════════════════════
   ALAYA OS · Apple Luxury Design System (Light & Dark Dual Mode)
   ══════════════════════════════════════════════════════════════ */
:root {
  /* 預設白晝高奢 (Apple Clean Light Mode) */
  --bg-page: #fbfbfd;
  --bg-subtle: #f5f5f7;
  --panel-bg: rgba(255, 255, 255, 0.88);
  --panel-solid: #ffffff;
  --panel-border: rgba(0, 0, 0, 0.07);
  --panel-border-hover: rgba(0, 113, 227, 0.35);
  --panel-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --panel-shadow-hover: 0 12px 32px -4px rgba(0, 20, 60, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  --panel-inner-lip: inset 0 1px 0 rgba(255, 255, 255, 1);
  
  --tx-1: #1d1d1f;
  --tx-2: #424245;
  --tx-3: #86868b;
  --tx-4: #aeaeb2;
  
  --dock-bg: rgba(255, 255, 255, 0.88);
  --dock-border: rgba(0, 0, 0, 0.08);
  --dock-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
  --dock-item-active: rgba(0, 113, 227, 0.1);
  --dock-text-active: #0071e3;
  
  --apple-blue: #0071e3;
  --apple-blue-hover: #0077ed;
  --apple-blue-subtle: rgba(0, 113, 227, 0.08);
  --apple-cyan: #0284c7;
  --apple-ok: #34c759;
  --apple-alert: #ff3b30;
  
  --f-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang TC", "Helvetica Neue", sans-serif;
  --f-text: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang TC", "Helvetica Neue", sans-serif;
  --f-mono: "SF Mono", "JetBrains Mono", Menlo, monospace;
  
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-pill: 999px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* 深空灰夜間模式 (Dark Mode) */
[data-theme="dark"] {
  --bg-page: radial-gradient(circle at 50% 0%, #1a2236 0%, #0c101a 65%, #070a12 100%);
  --panel-bg: rgba(255, 255, 255, 0.045);
  --panel-border: rgba(255, 255, 255, 0.12);
  --panel-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.7);
  --panel-inner-lip: inset 0 1px 0 rgba(255, 255, 255, 0.16);
  
  --tx-1: #ffffff;
  --tx-2: #d1d5db;
  --tx-3: #9ca3af;
  --tx-4: #4b5563;
  
  --dock-bg: rgba(25, 32, 48, 0.75);
  --dock-border: rgba(255, 255, 255, 0.18);
  --dock-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.7);
  --dock-item-active: rgba(255, 255, 255, 0.16);
  --dock-text-active: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

/* ── 鎖定手機視口與禁止縮放誤觸 ── */
html, body {
  touch-action: pan-x pan-y;
  -webkit-text-size-adjust: 100%;
}
input, textarea, select {
  font-size: 16px !important; /* iOS Safari 聚焦小於 16px 會觸發自動縮放，強制 16px 鎖定 */
}


body {
  font-family: var(--f-text);
  background: var(--bg-page);
  color: var(--tx-1);
  min-height: 100dvh;
  letter-spacing: -0.01em;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

/* ── 底部 Apple 浮動 Dock ── */
.dock-wrap {
  position: fixed;
  bottom: 1.2rem;
  bottom: calc(1.2rem + env(safe-area-inset-bottom, 0px));
  bottom: calc(1.2rem + constant(safe-area-inset-bottom, 0px));
  left: 0; right: 0;
  display: flex; justify-content: center;
  z-index: 100; pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.dock {
  pointer-events: auto;
  background: var(--dock-bg);
  border: 1px solid var(--dock-border);
  border-radius: var(--r-pill);
  padding: 0.45rem 0.65rem;
  display: flex; gap: 0.4rem;
  box-shadow: var(--dock-shadow);
  backdrop-filter: blur(35px);
  -webkit-backdrop-filter: blur(35px);
}
.dock-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 0.45rem 1.15rem; border-radius: var(--r-pill);
  text-decoration: none; color: var(--tx-3);
  font-size: 0.72rem; font-weight: 500;
  transition: all 0.25s var(--ease); gap: 0.15rem;
}
.dock-item i { font-size: 1.2rem; font-style: normal; }
.dock-item:hover { color: var(--tx-1); background: rgba(0, 0, 0, 0.05); }
.dock-item.active {
  background: var(--dock-item-active);
  color: var(--dock-text-active);
  font-weight: 600;
}


.dock-svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  transition: transform 0.2s var(--ease), stroke 0.2s var(--ease);
}
.dock-item:hover .dock-svg {
  transform: translateY(-2px);
}
.dock-item.active .dock-svg {
  stroke: var(--dock-text-active);
}

@media(max-width: 420px) {
  .dock {
    padding: 0.35rem 0.45rem;
    gap: 0.2rem;
  }
  .dock-item {
    padding: 0.38rem 0.7rem;
    font-size: 0.66rem;
  }
  .dock-svg {
    width: 18px;
    height: 18px;
  }
}


/* ══════════════════════════════════════════════════════════════
   ALAYA OS · 全域統一頂欄組件 (Unified Apple Top-Bar & Pills)
   ══════════════════════════════════════════════════════════════ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(0.85rem + env(safe-area-inset-top)) 1.4rem 0.75rem;
  max-width: 1040px;
  margin: 0 auto;
  width: 100%;
}
.brand-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand-title-text {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--tx-1);
}
.brand-tag-pill {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: var(--r-pill);
  background: rgba(0, 113, 227, 0.08);
  color: var(--apple-blue);
  border: 1px solid rgba(0, 113, 227, 0.2);
}
[data-theme="dark"] .brand-tag-pill {
  background: rgba(10, 132, 255, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* 全域明暗切換按鈕膠囊 */
.theme-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 0.26rem 0.65rem;
  border-radius: var(--r-pill);
  font-family: var(--f-text);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--tx-2);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.2s ease;
}
.theme-pill-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--tx-1);
  transform: translateY(-1px);
}
[data-theme="dark"] .theme-pill-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 統一卡片容器陰影與質感 */
.alaya-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  padding: 1.4rem;
  box-shadow: var(--panel-shadow), var(--panel-inner-lip);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  transition: all 0.3s ease;
}


/* ══════════════════════════════════════════════════════════════
   全局通用駕駛艙抽屜組件 (Common Sovereign Cockpit)
   ══════════════════════════════════════════════════════════════ */
.cockpit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 0.26rem 0.65rem;
  border-radius: var(--r-pill);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--tx-2);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.2s ease;
}
.cockpit-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--tx-1);
  transform: translateY(-1px);
}
[data-theme="dark"] .cockpit-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 駕駛艙遮罩與抽屜面版 */
.cockpit-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.cockpit-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.cockpit-sheet {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 320px;
  max-width: 85vw;
  background: var(--panel-bg);
  border-left: 1px solid var(--panel-border);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(35px);
  -webkit-backdrop-filter: blur(35px);
  z-index: 201;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  overflow-y: auto;
}
.cockpit-sheet.open {
  transform: translateX(0);
}
.cockpit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--panel-border);
}
.cockpit-title {
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tx-1);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.cockpit-close {
  background: transparent;
  border: none;
  color: var(--tx-3);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.2rem;
}
.cockpit-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.cockpit-label {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--tx-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cockpit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.025);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 0.75rem 0.9rem;
}
[data-theme="dark"] .cockpit-row {
  background: rgba(255, 255, 255, 0.035);
}

/* 分段膠囊切換器 (Segmented Tabs · 解法一) */
.cockpit-segmented-bar {
  display: flex;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--panel-border);
  border-radius: var(--r-pill);
  padding: 0.2rem;
  gap: 0.25rem;
}
[data-theme="dark"] .cockpit-segmented-bar {
  background: rgba(255, 255, 255, 0.05);
}
.cockpit-seg-btn {
  flex: 1;
  text-align: center;
  padding: 0.35rem 0.6rem;
  border-radius: var(--r-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--tx-3);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.cockpit-seg-btn.active {
  background: var(--panel-bg);
  color: var(--tx-1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.cockpit-tab-pane {
  display: none;
  flex-direction: column;
  gap: 0.6rem;
}
.cockpit-tab-pane.active {
  display: flex;
}

/* 擴充工具卡片樣式 */
.cockpit-tool-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: rgba(0, 0, 0, 0.025);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 0.65rem 0.85rem;
  text-decoration: none;
  color: var(--tx-1);
  transition: all 0.2s var(--ease);
}
.cockpit-tool-card:hover {
  background: rgba(0, 113, 227, 0.08);
  border-color: var(--apple-blue);
  transform: translateY(-1px);
}
[data-theme="dark"] .cockpit-tool-card {
  background: rgba(255, 255, 255, 0.035);
}
[data-theme="dark"] .cockpit-tool-card:hover {
  background: rgba(0, 113, 227, 0.2);
  border-color: var(--apple-blue);
}
.cockpit-tool-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--tx-1);
}
.cockpit-tool-desc {
  font-size: 0.72rem;
  color: var(--tx-3);
  line-height: 1.35;
}

/* ══════════════════════════════════════════════════════════════
   ALAYA OS · 平板與大螢幕自適應階梯 (Adaptive Tablet & Desktop Matrix)
   - 平板區間 (641px ~ 1024px): 華碩 ZenPad / iPad / 橫向視野最佳化
   - 桌面區間 (> 1024px): Mac / PC 大螢幕多工視野
   ══════════════════════════════════════════════════════════════ */

/* 1. 平板專屬自適應階梯 (Tablet 641px - 1024px) */
@media (min-width: 641px) and (max-width: 1024px) {
  /* 拓寬底部 Dock：提升握持觸控精確度 */
  .dock {
    padding: 0.55rem 1.1rem;
    gap: 0.8rem;
  }
  .dock-item {
    padding: 0.55rem 1.6rem;
    font-size: 0.82rem;
    gap: 0.25rem;
  }
  .dock-svg {
    width: 22px;
    height: 22px;
  }

  /* 拓寬頂欄與對話操作區：消除兩側過大空白 */
  .top-bar {
    max-width: 92vw;
    padding: calc(1rem + env(safe-area-inset-top)) 2rem 0.85rem;
  }
  .chat-container {
    max-width: 88vw !important;
    padding: 1.2rem 2.4rem;
  }
  .chat-bar-wrap {
    max-width: 88vw !important;
    bottom: 6.8rem !important;
    bottom: calc(6.8rem + env(safe-area-inset-bottom, 0px)) !important;
  }
  .chat-bar {
    padding: 0.65rem 0.8rem 0.65rem 1.5rem !important;
    border-radius: 30px !important;
  }
  .chat-textarea {
    font-size: 1.05rem !important;
  }

  /* 駕駛艙抽屜在平板上適度加寬，避免在寬螢幕上顯得過於侷促 */
  .cockpit-sheet {
    width: 420px;
    max-width: 50vw;
    padding: 1.8rem 1.6rem;
  }

  /* 便當盒在平板呈雙欄大氣排版 */
  .bento-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    max-width: 92vw !important;
    gap: 1.2rem !important;
    padding: 0 1.5rem !important;
  }
}

/* 2. 桌面大螢幕專屬階梯 (Desktop > 1024px) */
@media (min-width: 1025px) {
  .top-bar {
    max-width: 1080px;
  }
  .chat-container {
    max-width: 900px !important;
  }
  .chat-bar-wrap {
    max-width: 900px !important;
  }
  .cockpit-sheet {
    width: 460px;
  }
}