/* 汽运管理 App - 移动端样式 */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --primary-light: #e8f0fe;
  --bg: #f0f2f5;
  --bg-card: #ffffff;
  --text: #1f1f1f;
  --text-secondary: #5f6368;
  --text-hint: #9aa0a6;
  --border: #e0e0e0;
  --danger: #d93025;
  --success: #188038;
  --warning: #f9ab00;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --header-h: 56px;
}
html, body { height:100%; width:100%; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif; font-size:16px; line-height:1.5; color:var(--text); background:var(--bg); overscroll-behavior:none; -webkit-font-smoothing:antialiased; }
#app { position:fixed; top:0; left:0; right:0; bottom:0; overflow:hidden; background:var(--bg); }
.page { position:absolute; top:0; left:0; right:0; bottom:0; display:flex; flex-direction:column; opacity:0; pointer-events:none; transition:opacity .25s ease; background:var(--bg); z-index:1; }
.page.active { opacity:1; pointer-events:all; z-index:2; }

/* 启动画面 */
#splash-screen { position:fixed; top:0; left:0; right:0; bottom:0; display:flex; flex-direction:column; align-items:center; justify-content:center; background:var(--primary); z-index:100; transition:opacity .4s ease; }
#splash-screen.hidden { opacity:0; pointer-events:none; }
.splash-icon { font-size:64px; margin-bottom:16px; }
.splash-title { font-size:24px; font-weight:600; color:#fff; margin-bottom:32px; }
.splash-loader { width:40px; height:40px; border:3px solid rgba(255,255,255,0.3); border-top-color:#fff; border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* 头部导航 */
.app-header { display:flex; align-items:center; justify-content:space-between; height:var(--header-h); padding:0 16px; background:var(--bg-card); border-bottom:1px solid var(--border); flex-shrink:0; position:relative; z-index:10; }
.header-transparent { background:transparent; border-bottom:none; position:absolute; top:0; left:0; right:0; z-index:20; }
.header-transparent .header-title { color:#fff; text-shadow:0 1px 4px rgba(0,0,0,0.3); }
.header-transparent .header-btn { color:#fff; text-shadow:0 1px 4px rgba(0,0,0,0.3); }
.header-left { display:flex; flex-direction:column; }
.header-title { font-size:20px; font-weight:600; color:var(--text); }
.header-date { font-size:12px; color:var(--text-secondary); margin-top:-2px; }
.header-btn { display:flex; align-items:center; gap:4px; padding:8px 12px; border:none; background:none; color:var(--primary); font-size:14px; font-weight:500; border-radius:var(--radius-sm); cursor:pointer; }
.header-btn:active { background:var(--primary-light); }
.header-back svg { display:block; }

/* 主内容区 */
.main-content { flex:1; overflow-y:auto; -webkit-overflow-scrolling:touch; padding:12px 16px; padding-bottom:100px; }

/* 空状态 */
.empty-state { display:flex; flex-direction:column; align-items:center; justify-content:center; padding:80px 24px; text-align:center; }
.empty-icon { font-size:64px; margin-bottom:16px; opacity:0.6; }
.empty-title { font-size:18px; font-weight:600; color:var(--text); margin-bottom:8px; }
.empty-desc { font-size:14px; color:var(--text-secondary); }

/* 文件夹卡片 */
.folder-card { display:flex; align-items:center; padding:14px 16px; background:var(--bg-card); border-radius:var(--radius); margin-bottom:10px; box-shadow:var(--shadow); cursor:pointer; transition:transform .15s ease, box-shadow .15s ease; }
.folder-card:active { transform:scale(0.98); box-shadow:var(--shadow-lg); }
.folder-icon { width:44px; height:44px; border-radius:10px; background:var(--primary-light); display:flex; align-items:center; justify-content:center; font-size:20px; margin-right:14px; flex-shrink:0; }
.folder-info { flex:1; min-width:0; }
.folder-name { font-size:16px; font-weight:600; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.folder-meta { font-size:12px; color:var(--text-secondary); margin-top:2px; }
.folder-arrow { color:var(--text-hint); flex-shrink:0; }

/* FAB 按钮 */
.fab-container { position:fixed; bottom:24px; right:20px; z-index:30; padding-bottom:var(--safe-bottom); }
.fab { display:flex; align-items:center; gap:6px; padding:14px 24px; border:none; border-radius:28px; background:var(--primary); color:#fff; font-size:16px; font-weight:600; box-shadow:0 4px 12px rgba(26,115,232,0.4); cursor:pointer; transition:transform .15s ease, box-shadow .15s ease; }
.fab:active { transform:scale(0.95); box-shadow:0 2px 6px rgba(26,115,232,0.3); }

/* 相机页面 */
#camera-container { position:absolute; top:0; left:0; right:0; bottom:0; background:#000; overflow:hidden; }
#camera-preview { width:100%; height:100%; object-fit:cover; }
.camera-guide { position:absolute; top:0; left:0; right:0; bottom:0; display:flex; flex-direction:column; align-items:center; justify-content:center; }
.guide-frame { width:280px; height:120px; position:relative; }
.guide-corner { position:absolute; width:24px; height:24px; border-color:rgba(255,255,255,0.8); border-style:solid; }
.guide-corner.tl { top:0; left:0; border-width:3px 0 0 3px; border-radius:4px 0 0 0; }
.guide-corner.tr { top:0; right:0; border-width:3px 3px 0 0; border-radius:0 4px 0 0; }
.guide-corner.bl { bottom:0; left:0; border-width:0 0 3px 3px; border-radius:0 0 0 4px; }
.guide-corner.br { bottom:0; right:0; border-width:0 3px 3px 0; border-radius:0 0 4px 0; }
.guide-text { color:rgba(255,255,255,0.8); font-size:14px; margin-top:24px; text-shadow:0 1px 4px rgba(0,0,0,0.5); }
.camera-actions { position:absolute; bottom:40px; left:0; right:0; display:flex; flex-direction:column; align-items:center; gap:12px; padding-bottom:var(--safe-bottom); z-index:10; }
.btn-capture { width:72px; height:72px; border-radius:50%; border:4px solid rgba(255,255,255,0.8); background:rgba(255,255,255,0.2); color:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer; transition:transform .15s; }
.btn-capture:active { transform:scale(0.92); }
.btn-text { display:flex; align-items:center; gap:6px; padding:10px 20px; border:none; border-radius:20px; background:rgba(0,0,0,0.4); color:rgba(255,255,255,0.9); font-size:14px; cursor:pointer; }
.btn-text:active { background:rgba(0,0,0,0.6); }

/* 确认页 */
.confirm-card { background:var(--bg-card); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
#confirm-image-container { width:100%; max-height:320px; overflow:hidden; background:#f5f5f5; display:flex; align-items:center; justify-content:center; }
#confirm-image { width:100%; height:auto; display:block; }
.confirm-form { padding:20px 20px 12px; }
.form-label { display:block; font-size:14px; font-weight:600; color:var(--text-secondary); margin-bottom:8px; }
.input-group { display:flex; align-items:center; gap:8px; }
.form-input { flex:1; height:48px; padding:0 14px; border:2px solid var(--border); border-radius:var(--radius-sm); font-size:18px; font-weight:600; color:var(--text); outline:none; transition:border-color .2s; letter-spacing:2px; }
.form-input:focus { border-color:var(--primary); }
.form-input.input-plate-large { font-size:22px; height:56px; letter-spacing:3px; text-align:center; }
.form-hint { font-size:12px; color:var(--text-hint); margin-top:8px; }
.btn-icon { display:flex; align-items:center; gap:4px; padding:8px 14px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg); color:var(--text-secondary); font-size:13px; cursor:pointer; white-space:nowrap; height:48px; }
.btn-icon:active { background:var(--border); }
.btn-primary { display:flex; align-items:center; justify-content:center; gap:8px; width:100%; padding:16px 24px; border:none; border-radius:var(--radius-sm); background:var(--primary); color:#fff; font-size:16px; font-weight:600; cursor:pointer; transition:background .2s; }
.btn-primary:active { background:var(--primary-dark); }
.btn-primary:disabled { opacity:0.5; pointer-events:none; }
.btn-full { border-radius:0; padding:18px 24px; }
.manual-icon { font-size:56px; text-align:center; padding:32px 0 8px; }

/* 照片网格 */
.photo-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
.photo-card { position:relative; border-radius:var(--radius-sm); overflow:hidden; background:var(--bg-card); box-shadow:var(--shadow); aspect-ratio:4/3; }
.photo-card img { width:100%; height:100%; object-fit:cover; display:block; }
.photo-card .photo-overlay { position:absolute; bottom:0; left:0; right:0; padding:6px 10px; background:linear-gradient(transparent,rgba(0,0,0,0.6)); color:#fff; font-size:11px; }
.photo-card .photo-delete { position:absolute; top:6px; right:6px; width:28px; height:28px; border-radius:50%; border:none; background:rgba(0,0,0,0.5); color:#fff; font-size:14px; display:flex; align-items:center; justify-content:center; cursor:pointer; opacity:0; transition:opacity .2s; }
.photo-card:hover .photo-delete, .photo-card .photo-delete:focus { opacity:1; }
.photo-card .photo-delete:active { background:rgba(217,48,37,0.8); }

/* 底部操作栏 */
.folder-actions { display:flex; gap:12px; padding:12px 16px; padding-bottom:calc(12px + var(--safe-bottom)); background:var(--bg-card); border-top:1px solid var(--border); flex-shrink:0; }
.btn-action { flex:1; display:flex; flex-direction:column; align-items:center; gap:4px; padding:12px; border:none; border-radius:var(--radius-sm); background:var(--bg); color:var(--text-secondary); font-size:12px; font-weight:500; cursor:pointer; transition:all .15s; }
.btn-action:active { background:var(--primary-light); color:var(--primary); }
.btn-action svg { width:28px; height:28px; }
.btn-action-photo:active svg { stroke:var(--primary); }
.btn-action-upload:active svg { stroke:var(--primary); }

/* 对话框 */
.dialog-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.5); display:flex; align-items:center; justify-content:center; z-index:200; transition:opacity .2s; }
.dialog-overlay.hidden { opacity:0; pointer-events:none; }
.dialog { background:var(--bg-card); border-radius:var(--radius); width:320px; max-width:90vw; box-shadow:var(--shadow-lg); }
.dialog-body { padding:24px; text-align:center; }
.dialog-body .dialog-icon { font-size:40px; margin-bottom:12px; }
.dialog-body .dialog-title { font-size:17px; font-weight:600; margin-bottom:8px; }
.dialog-body .dialog-text { font-size:14px; color:var(--text-secondary); margin-bottom:20px; line-height:1.6; }
.dialog-body .dialog-progress { width:100%; height:4px; background:var(--border); border-radius:2px; margin:12px 0; overflow:hidden; }
.dialog-body .dialog-progress-bar { height:100%; background:var(--primary); border-radius:2px; width:0%; transition:width .3s ease; }
.dialog-actions { display:flex; border-top:1px solid var(--border); }
.dialog-actions .dialog-btn { flex:1; padding:14px; border:none; background:none; font-size:15px; font-weight:500; color:var(--primary); cursor:pointer; }
.dialog-actions .dialog-btn:first-child { border-right:1px solid var(--border); }
.dialog-actions .dialog-btn:active { background:var(--primary-light); }
.dialog-actions .dialog-btn.danger { color:var(--danger); }

/* Toast */
.toast { position:fixed; top:50%; left:50%; transform:translate(-50%,-50%); padding:16px 24px; background:rgba(0,0,0,0.8); color:#fff; border-radius:var(--radius-sm); font-size:14px; z-index:300; text-align:center; max-width:80vw; animation:toast-fade 2s ease forwards; }
@keyframes toast-fade { 0%{opacity:0;transform:translate(-50%,-50%) scale(0.9);} 15%{opacity:1;transform:translate(-50%,-50%) scale(1);} 85%{opacity:1;} 100%{opacity:0;} }
.toast .toast-icon { font-size:36px; margin-bottom:8px; }

/* 滚动条 */
.main-content::-webkit-scrollbar { width:4px; }
.main-content::-webkit-scrollbar-track { background:transparent; }
.main-content::-webkit-scrollbar-thumb { background:var(--border); border-radius:2px; }

/* 响应式 */
@media (min-width: 768px) { #app { max-width:480px; margin:0 auto; border-left:1px solid var(--border); border-right:1px solid var(--border); box-shadow:0 0 20px rgba(0,0,0,0.05); } .photo-grid { grid-template-columns:repeat(3,1fr); } }
@media (min-width: 1024px) { .photo-grid { grid-template-columns:repeat(4,1fr); } }

/* 暗黑模式 */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a2e;
    --bg-card: #16213e;
    --text: #e8e8e8;
    --text-secondary: #a0a0b0;
    --text-hint: #6c6c80;
    --border: #2a2a4a;
    --primary-light: #1a3a6e;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
  }
}

/* 选中状态 */
.photo-card.selected { outline:3px solid var(--primary); outline-offset:-3px; }
.photo-card.selected::after { content:"✓"; position:absolute; top:6px; left:6px; width:24px; height:24px; border-radius:50%; background:var(--primary); color:#fff; font-size:14px; font-weight:700; display:flex; align-items:center; justify-content:center; }

/* 动画 */
@keyframes slide-up { from{transform:translateY(20px);opacity:0;} to{transform:translateY(0);opacity:1;} }
.slide-up { animation:slide-up .3s ease; }
#folder-camera-container { position:absolute; top:0; left:0; right:0; bottom:0; background:#000; overflow:hidden; }
#folder-camera-preview { width:100%; height:100%; object-fit:cover; }

/* 文件夹卡片操作按钮 */
.folder-card-actions { display:flex; gap:2px; flex-shrink:0; margin-left:8px; }
.folder-card-btn { width:32px; height:32px; border:none; border-radius:50%; background:transparent; color:var(--text-hint); display:flex; align-items:center; justify-content:center; cursor:pointer; font-size:15px; padding:0; transition:all .15s; }
.folder-card-btn:active { background:var(--primary-light); color:var(--primary); }
.folder-card-btn.danger:active { background:#fce8e6; color:var(--danger); }

/* 输入编辑弹窗 */
.input-dialog-input { width:100%; height:48px; padding:0 14px; border:2px solid var(--border); border-radius:var(--radius-sm); font-size:18px; font-weight:600; letter-spacing:2px; outline:none; transition:border-color .2s; text-align:center; box-sizing:border-box; }
.input-dialog-input:focus { border-color:var(--primary); }