* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --glass-bg: rgba(255,255,255,0.7);
    --glass-border: rgba(255,255,255,0.6);
    --glass-shadow: 0 8px 32px rgba(31,38,135,0.15);
    --glass-blur: saturate(180%) blur(20px);
    --text: #1a1a2e;
    --text-sec: #4a4a6a;
    --text-light: #8a8aaa;
    --primary: #4a6cf7;
    --primary-glow: rgba(74,108,247,0.4);
    --accent: #6c63ff;
    --success: #34d399;
    --danger: #f87171;
    --radius: 20px;
    --radius-sm: 12px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(160deg, #e8f4f8 0%, #dceef6 30%, #d0e8f2 60%, #c8e4ee 100%);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    -webkit-overflow-scrolling: touch;
}
#app { min-height: 100vh; display: flex; flex-direction: column; }
/* ====== TOPBAR ====== */
.topbar {
    display: flex; align-items: center; padding: 10px 14px;
    background: rgba(255,255,255,0.45); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.8);
    position: sticky; top: 0; z-index: 100;
}
.btn-icon { background: rgba(255,255,255,0.3); border: 1px solid rgba(255,255,255,0.4); padding: 7px; color: var(--text); cursor: pointer; border-radius: 10px; box-shadow: 0 2px 4px rgba(0,0,0,0.05), inset 0 1px 0 rgba(255,255,255,0.6); transition: all 0.2s; }
.btn-icon:active { background: rgba(255,255,255,0.5); box-shadow: inset 0 2px 4px rgba(0,0,0,0.08); transform: scale(0.95); }
.topbar-center { flex: 1; position: relative; margin: 0 10px; }
.route-search {
    width: 100%; padding: 9px 14px; border: 1px solid rgba(255,255,255,0.6); border-radius: 14px;
    font-size: 15px; font-weight: 500; text-align: center;
    background: rgba(255,255,255,0.4); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.04), inset 0 -1px 0 rgba(255,255,255,0.8);
    transition: all 0.3s;
}
.route-search:focus { outline: none; border-color: var(--primary); background: rgba(255,255,255,0.65); box-shadow: 0 0 0 3px var(--primary-glow), inset 0 2px 4px rgba(0,0,0,0.04); }
.topbar-right { min-width: 50px; text-align: right; }
.update-time { font-size: 11px; color: var(--text-light); }
/* ====== SEARCH DROPDOWN ====== */
.search-dropdown {
    display: none; position: absolute; top: 100%; left: 0; right: 0; margin-top: 6px;
    background: rgba(255,255,255,0.7); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-sm); box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.8);
    border: 1px solid var(--glass-border); max-height: 260px; overflow-y: auto; z-index: 200;
}
.search-dropdown.show { display: block; }
.search-item { padding: 12px 16px; font-size: 14px; cursor: pointer; border-bottom: 1px solid rgba(0,0,0,0.04); transition: background 0.15s; }
.search-item:last-child { border-bottom: none; }
.search-item:active { background: rgba(74,108,247,0.1); }
/* ====== ROUTE CARD ====== */
.route-card {
    margin: 10px 14px; padding: 16px 18px;
    background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius); border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.9), inset 0 -1px 3px rgba(0,0,0,0.06);
}
.route-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.route-badge { display: flex; align-items: center; gap: 8px; color: var(--primary); }
.route-name { font-size: 22px; font-weight: 700; text-shadow: 0 1px 3px rgba(255,255,255,0.8), 0 0 20px rgba(255,255,255,0.3); }
.btn-switch {
    display: flex; align-items: center; gap: 4px; padding: 7px 14px; border-radius: 12px; font-size: 13px; cursor: pointer; font-weight: 500;
    background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(230,230,240,0.6));
    border: 1px solid rgba(255,255,255,0.6); color: var(--text-sec);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.9), inset 0 -1px 2px rgba(0,0,0,0.04);
    text-shadow: 0 1px 1px rgba(255,255,255,0.6);
    transition: all 0.2s;
}
.btn-switch:active { box-shadow: inset 0 2px 6px rgba(0,0,0,0.12); transform: scale(0.97); }
.route-direction { font-size: 15px; color: var(--text-sec); margin-bottom: 6px; }
.route-meta {
    font-size: 12px; color: var(--text-light); padding: 8px 12px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0.15));
    border: 1px solid rgba(255,255,255,0.4);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
}
.timeline-wrap{padding:0 14px 16px}
.timeline{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius);border:1px solid var(--glass-border);padding:20px 0;position:relative;box-shadow:var(--glass-shadow),inset 0 1px 0 rgba(255,255,255,0.9),inset 0 -1px 3px rgba(0,0,0,0.06)}
.timeline::before{content:'';position:absolute;left:54px;top:20px;bottom:20px;width:4px;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:2px;opacity:.85}
.station-row{display:flex;min-height:48px;position:relative;cursor:pointer;transition:background .2s}
.station-row:active{background:rgba(74,108,247,.06);border-radius:8px}
.bus-area{width:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;z-index:2}
.bus-count-badge{font-size:11px;font-weight:600;color:#fff;padding:3px 8px;border-radius:10px;white-space:nowrap;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 2px 8px var(--primary-glow),inset 0 1px 0 rgba(255,255,255,.3)}
.line-area{width:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:1}
.station-dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,#42A5F5,#1E88E5);border:2.5px solid rgba(255,255,255,.95);box-shadow:0 1px 4px rgba(0,0,0,.15),inset 0 1px 0 rgba(255,255,255,.5),0 0 6px rgba(66,165,245,.3);position:relative;z-index:2}
.station-dot.first{width:14px;height:14px;background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 2px 6px rgba(16,185,129,.4),inset 0 1px 0 rgba(255,255,255,.5)}
.station-dot.current{width:14px;height:14px;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 0 4px var(--primary-glow),0 2px 6px rgba(74,108,247,.4)}
.line-segment{display:none}
.name-area{flex:1;padding:10px 14px 10px 6px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.station-name{font-size:15px;color:var(--text);line-height:1.3;text-shadow:0 1px 2px rgba(255,255,255,.7),0 0 8px rgba(255,255,255,.3)}
.station-name.current{color:var(--primary);font-weight:600}
.current-tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:6px;margin-top:3px;width:fit-content;font-weight:500;color:var(--primary);background:linear-gradient(135deg,rgba(74,108,247,.1),rgba(108,99,255,.08));border:1px solid rgba(74,108,247,.2);box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}
.between-row{display:flex;align-items:center;height:0;overflow:visible;position:relative}
.between-row .bus-area{position:absolute;left:0;top:-10px}
.btn-refresh-bottom{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;margin-top:12px;padding:12px;border-radius:var(--radius-sm);font-size:15px;color:var(--text-sec);cursor:pointer;background:linear-gradient(135deg,rgba(255,255,255,.5),rgba(255,255,255,.25));border:1px solid var(--glass-border);box-shadow:0 2px 8px rgba(0,0,0,.05),inset 0 1px 0 rgba(255,255,255,.8);transition:all .2s}
.btn-refresh-bottom:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.08);transform:scale(.98)}
.btn-refresh-bottom.spinning svg{animation:spin 1s linear infinite}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
.map-section{height:60vh;margin:0 14px 14px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--glass-shadow),inset 0 1px 0 rgba(255,255,255,.5);border:1px solid var(--glass-border)}
#map{width:100%;height:100%}
.empty-state{text-align:center;padding:40px 16px;color:var(--text-light);font-size:14px}
.fab-mask{display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:140}
.fab-mask.show{display:block}
.fab-overlay{display:none;position:fixed;bottom:16px;left:16px;right:16px;z-index:150;background:rgba(245,245,250,.65);backdrop-filter:saturate(180%) blur(30px);-webkit-backdrop-filter:saturate(180%) blur(30px);border-radius:22px;padding:0;animation:fabUp .3s cubic-bezier(.2,.9,.3,1);border:.5px solid rgba(255,255,255,.45);box-shadow:0 8px 40px rgba(0,0,0,.12),inset 0 .5px 0 rgba(255,255,255,.8)}
.fab-overlay.show{display:block}
@keyframes fabUp{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
.fab-header{padding:16px 20px 6px}
.fab-header h3{font-size:17px;font-weight:600;color:var(--text);text-shadow:0 1px 3px rgba(255,255,255,.7),0 0 12px rgba(255,255,255,.3)}
.fab-body{padding:4px 20px 18px}
.fab-bus-item{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid rgba(0,0,0,.04)}
.fab-bus-item:last-child{border-bottom:none}
.fab-bus-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 1px 3px var(--primary-glow);flex-shrink:0}
.fab-bus-info{flex:1;font-size:13px;color:var(--text-sec)}
.fab-bus-info .stops{font-weight:600;color:var(--primary)}
.fab-remind-btn{display:flex;align-items:center;gap:6px;padding:11px 16px;margin:10px 0 0;border-radius:14px;font-size:14px;cursor:pointer;width:100%;justify-content:center;font-weight:500;background:linear-gradient(135deg,rgba(255,255,255,.5),rgba(255,255,255,.25));border:1.5px solid var(--primary);color:var(--primary);box-shadow:0 2px 8px rgba(74,108,247,.15),inset 0 1px 0 rgba(255,255,255,.6);transition:all .25s}
.fab-remind-btn.active{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-color:transparent;box-shadow:0 4px 16px var(--primary-glow),inset 0 1px 0 rgba(255,255,255,.3)}
.fab-remind-btn:active{transform:scale(.97)}
.fab-empty{text-align:center;padding:14px;color:var(--text-light);font-size:13px}
.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.3);z-index:200;align-items:center;justify-content:center;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.modal.active{display:flex}
.modal-content{background:rgba(255,255,255,.8);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius);width:88%;max-width:400px;max-height:80vh;overflow:hidden;border:1px solid var(--glass-border);box-shadow:var(--glass-shadow),inset 0 1px 0 rgba(255,255,255,.8)}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid rgba(0,0,0,.05)}
.modal-header h3{font-size:16px}
.btn-close{background:none;border:none;font-size:22px;color:var(--text-light);cursor:pointer}
.modal-body{padding:16px;overflow-y:auto;max-height:calc(80vh - 50px)}
.form-group{margin-bottom:10px}
.form-group label{display:block;font-size:13px;color:var(--text-sec);margin-bottom:4px}
.form-group input{width:100%;padding:9px 12px;border:1px solid rgba(255,255,255,.6);border-radius:var(--radius-sm);font-size:14px;background:rgba(255,255,255,.4);box-shadow:inset 0 2px 4px rgba(0,0,0,.04)}
.form-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}
.btn-add{width:100%;padding:11px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;box-shadow:0 4px 12px var(--primary-glow),inset 0 1px 0 rgba(255,255,255,.3);transition:all .2s}
.btn-add:active{box-shadow:inset 0 2px 4px rgba(0,0,0,.15);transform:scale(.98)}
.route-list-manage{margin-top:16px;padding-top:14px;border-top:1px solid rgba(0,0,0,.05)}
.saved-route-item{display:flex;justify-content:space-between;align-items:center;padding:10px;background:rgba(255,255,255,.4);border-radius:var(--radius-sm);margin-bottom:6px;border:1px solid rgba(255,255,255,.4);box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}
.saved-route-item .route-info{font-size:14px;font-weight:500}
.saved-route-item .route-id{font-size:11px;color:var(--text-light);word-break:break-all}
.btn-delete-route{background:none;border:none;color:var(--danger);font-size:18px;cursor:pointer;padding:4px 8px}
.toast-container{position:fixed;top:60px;right:12px;z-index:300;display:flex;flex-direction:column;gap:6px}
.toast{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;animation:toastIn .3s ease;max-width:300px;background:rgba(255,255,255,.8);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-left:3px solid var(--primary)}
.toast.error{border-left-color:var(--danger);white-space:normal}
.toast.success{border-left-color:var(--success)}
@keyframes toastIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@media(max-width:768px){.main-content{flex-direction:column}.map-container{min-height:35vh}.station-panel{height:30vh}}