/* ===== 应用骨架：满屏地图 + 浮层 UI ===== */

html, body {
  width: 100%; height: 100%; margin: 0; overflow: hidden;
  background: var(--bg); color: var(--fg);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
.app { position: fixed; inset: 0; display: flex; flex-direction: column; }

/* ===== 品牌角标 ===== */
header {
  position: absolute; top: max(12px, env(safe-area-inset-top)); left: 12px; z-index: 20;
  display: flex; align-items: center; gap: 9px; padding: 7px 14px 7px 8px;
  border-radius: var(--r-pill); background: var(--surface);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); box-shadow: var(--shadow-md); pointer-events: auto;
}
.brand { display: flex; align-items: center; gap: 9px; min-width: 0; }
.brand .mark { width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0; box-shadow: 0 2px 6px rgba(13,148,136,.35); }
.brand h1 { margin: 0; font: 700 15px/1 var(--font-ui); letter-spacing: .02em; color: var(--fg); white-space: nowrap; }
.brand .sub { font: 700 8.5px/1 var(--font-ui); letter-spacing: .2em; text-transform: uppercase; color: var(--accent-strong); margin-top: 3px; }

/* ===== 临时 toast ===== */
.toast {
  position: absolute; top: max(12px, env(safe-area-inset-top)); left: 50%; transform: translate(-50%, -14px);
  z-index: 30; display: inline-flex; align-items: center; gap: 8px; max-width: min(72vw, 460px);
  padding: 9px 16px; border-radius: var(--r-pill); background: var(--surface-solid);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  font: 600 12.5px/1.2 var(--font-ui); color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  opacity: 0; pointer-events: none; transition: opacity .3s var(--ease), transform .34s var(--ease-spring);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); flex-shrink: 0; transition: background .25s, box-shadow .25s; }
.toast[data-state="ok"]   { color: var(--accent-strong); }
.toast[data-state="ok"] .dot   { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.toast[data-state="busy"] { color: var(--accent-strong); }
.toast[data-state="busy"] .dot { background: var(--accent); animation: pulse 1s var(--ease) infinite; }
.toast[data-state="err"]  { color: var(--danger); }
.toast[data-state="err"] .dot  { background: var(--danger); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

/* ===== 主舞台 ===== */
.main { position: relative; flex: 1 1 auto; min-height: 0; overflow: hidden; }
map-view { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* ===== 底部停靠栏：仅 FAB（右对齐） ===== */
.dock {
  position: absolute; left: 12px; right: 12px; bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 18; display: flex; align-items: flex-end; justify-content: flex-end; gap: 12px;
  pointer-events: none;
}
.dock > * { pointer-events: auto; }

/* ===== 右下定位按钮（Google 风格三态；未定位时隐藏） ===== */
.locate-btn {
  position: absolute;
  right: calc(12px + 56px + 12px);
  bottom: calc(max(14px, env(safe-area-inset-bottom)) + 5px);
  z-index: 19;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-md); cursor: pointer; display: none; place-items: center;
  color: var(--ink-soft); transition: transform .15s var(--ease), color .2s, background .2s, box-shadow .2s;
}
.locate-btn.show { display: grid; }
.locate-btn:hover { transform: scale(1.07); color: var(--fg); }
.locate-btn:active { transform: scale(.94); }
.locate-btn svg { width: 22px; height: 22px; }
.locate-btn .nav-ring { position: absolute; inset: -4px; border-radius: 50%; border: 2px solid transparent; transition: border-color .25s; }
/* 态：已定位但偏离中心 */
.locate-btn.centered { color: var(--accent-strong); }
.locate-btn.centered svg .dot-c { fill: var(--accent); }
/* 态：导航模式（倾斜 + 朝向跟随） */
.locate-btn.nav { color: var(--accent-fg); background: var(--accent); border-color: transparent; box-shadow: 0 6px 18px rgba(13,148,136,.5); }
.locate-btn.nav .nav-ring { border-color: var(--accent); animation: navPulseRing 1.8s var(--ease) infinite; }
@keyframes navPulseRing { 0% { transform: scale(.9); opacity: .7; } 100% { transform: scale(1.35); opacity: 0; } }

/* ===== 搜索浮层（FAB 触发；与路线面板互斥） ===== */
.search-overlay {
  position: absolute; z-index: 25; left: 12px;
  top: calc(max(12px, env(safe-area-inset-top)) + 52px);
  width: 384px; max-width: calc(100vw - 24px);
  background: var(--surface); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
  padding: 10px; opacity: 0; transform: translateX(-12px); pointer-events: none;
  transition: transform .34s var(--ease-spring), opacity .26s var(--ease);
}
.search-overlay.is-open { opacity: 1; transform: none; pointer-events: auto; }
.search-overlay .ov-head { display: flex; align-items: center; gap: 8px; padding: 2px 4px 10px; }
.search-overlay .ov-title { font: 700 13px/1 var(--font-ui); color: var(--fg); display: flex; align-items: center; gap: 7px; }
.search-overlay .ov-title::before { content: ""; width: 4px; height: 14px; border-radius: 2px; background: var(--accent); }
.search-overlay .ov-close {
  margin-left: auto; width: 30px; height: 30px; border: 0; border-radius: 50%;
  background: var(--hover); color: var(--muted); font-size: 18px; line-height: 1; cursor: pointer;
  display: grid; place-items: center; transition: background .15s, color .15s;
}
.search-overlay .ov-close:hover { background: var(--border-strong); color: var(--fg); }

/* ===== 路线面板 ===== */
.route-sheet {
  position: absolute; z-index: 24; background: var(--surface);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; overflow: hidden;
  transform: translateY(8px); opacity: 0; pointer-events: none;
  transition: transform .34s var(--ease-spring), opacity .26s var(--ease);
}
.route-sheet.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.sheet-head { display: flex; align-items: center; gap: 10px; padding: 14px 14px 12px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.sheet-head .grip { width: 34px; height: 4px; border-radius: 2px; background: var(--border-strong); display: none; }
.sheet-head .title { font: 700 14px/1 var(--font-ui); letter-spacing: .02em; display: flex; align-items: center; gap: 8px; color: var(--fg); }
.sheet-head .title::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: linear-gradient(var(--origin), var(--dest)); }
.sheet-head .close {
  margin-left: auto; width: 30px; height: 30px; border: 0; border-radius: 50%;
  background: var(--hover); color: var(--muted); font-size: 18px; line-height: 1; cursor: pointer;
  display: grid; place-items: center; transition: background .15s var(--ease), color .15s var(--ease);
}
.sheet-head .close:hover { background: var(--border-strong); color: var(--fg); }
.route-sheet route-panel-compact { display: block; padding: 14px; flex-shrink: 0; }
.route-sheet route-info { display: block; flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 0 14px 14px; }

/* ===== 桌面：左浮卡 ===== */
@media (min-width: 761px) {
  .route-sheet {
    top: calc(max(12px, env(safe-area-inset-top)) + 52px); left: 12px; width: 384px;
    max-height: calc(100vh - max(12px, env(safe-area-inset-top)) - 150px);
    border-radius: var(--r-lg); transform: translateX(-12px);
  }
  .route-sheet.is-open { transform: translateX(0); }
}
/* ===== 移动：搜索顶栏 + 路线底抽屉 ===== */
@media (max-width: 760px) {
  .search-overlay {
    left: 0; right: 0; top: 0; width: auto; max-width: none;
    border-radius: 0 0 var(--r-lg) var(--r-lg); border-top: 0;
    padding: calc(max(10px, env(safe-area-inset-top)) + 6px) 12px 12px;
    transform: translateY(-100%);
  }
  .search-overlay.is-open { transform: translateY(0); }
  .route-sheet {
    left: 0; right: 0; bottom: 0; max-height: 82vh;
    border-radius: var(--r-lg) var(--r-lg) 0 0; border-bottom: 0; transform: translateY(100%);
  }
  .route-sheet.is-open { transform: translateY(0); }
  .sheet-head .grip { display: block; }
  .sheet-head { padding-top: 10px; }
}

/* ===== 用户按钮（header 右侧） ===== */
.user-btn {
  width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--border);
  background: var(--surface-2); cursor: pointer; padding: 0; overflow: hidden;
  transition: border-color .15s, transform .15s;
  display: grid; place-items: center; margin-left: auto;
}
.user-btn:hover { border-color: var(--accent); transform: scale(1.08); }
.user-avatar { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.login-btn {
  height: 30px; padding: 0 14px; margin-left: auto; border: 1px solid var(--border); border-radius: var(--r-pill);
  background: var(--surface-2); color: var(--accent-strong); cursor: pointer;
  font: 600 12px/1 var(--font-ui); transition: all .15s;
}
.login-btn:hover { background: var(--accent); color: var(--accent-fg); border-color: transparent; }

/* ===== 用户面板抽屉 ===== */
.user-sheet {
  position: absolute; z-index: 24; background: var(--surface);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; overflow: hidden;
  transform: translateY(8px); opacity: 0; pointer-events: none;
  transition: transform .34s var(--ease-spring), opacity .26s var(--ease);
}
.user-sheet.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.user-sheet user-panel { display: block; flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 12px 14px 14px; }
@media (min-width: 761px) {
  .user-sheet {
    top: calc(max(12px, env(safe-area-inset-top)) + 52px); right: 12px; width: 360px;
    max-height: calc(100vh - max(12px, env(safe-area-inset-top)) - 150px);
    border-radius: var(--r-lg); transform: translateX(12px);
  }
  .user-sheet.is-open { transform: translateX(0); }
}
@media (max-width: 760px) {
  .user-sheet {
    left: 0; right: 0; bottom: 0; max-height: 82vh;
    border-radius: var(--r-lg) var(--r-lg) 0 0; border-bottom: 0; transform: translateY(100%);
  }
  .user-sheet.is-open { transform: translateY(0); }
}