:root {
  --bg: #0a0d18;
  --bg-grad: radial-gradient(ellipse at 20% 0%, rgba(91,156,245,0.06), transparent 60%),
             radial-gradient(ellipse at 80% 100%, rgba(167,139,250,0.05), transparent 60%),
             #0a0d18;
  --surface: #121627;
  --surface-2: #181d33;
  --surface-hover: #1e2444;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);
  --border-active: rgba(91,156,245,0.4);
  --text: #e8eaed;
  --text-dim: rgba(232,234,237,0.5);
  --text-dimmer: rgba(232,234,237,0.22);
  --accent: #5b9cf5;
  --accent-glow: rgba(91,156,245,0.15);
  --green:#34d399;
  --purple:#a78bfa;
  --orange:#fb923c;
  --yellow:#fbbf24;
  --blue:#3b82f6;
  --font:'Inter',-apple-system,'PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --radius:10px;
  --radius-sm:7px;
  --transition:0.2s cubic-bezier(0.4,0,0.2,1);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.3), 0 0 0 1px var(--border-active);
  --shadow-panel: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{min-height:100%;margin:0;padding:0}
html{font-size:16px}
body{margin:0;padding:0;font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column}
body::before{content:'';position:fixed;inset:0;z-index:-1;background:var(--bg-grad)}
/* 下载菜单放在最顶层，确保不被 Leaflet 覆盖 */


/* ===== Header ===== */
header{flex-shrink:0;border-bottom:1px solid var(--border);background:rgba(10,13,24,0.85);backdrop-filter:blur(20px);z-index:100;position:sticky;top:0}
#btnHome{background:transparent}
#btnHome:hover{background:var(--surface);color:var(--text)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 24px;height:56px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:15px;letter-spacing:-0.4px;flex-shrink:0}
.brand .icon{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;flex-shrink:0;box-shadow:0 2px 8px rgba(91,156,245,0.3)}
.bread{display:flex;align-items:center;gap:2px;font-size:13px;color:var(--text-dim);overflow:hidden;white-space:nowrap;flex:1;min-width:0}
.bread a{color:var(--accent);cursor:pointer;text-decoration:none;transition:opacity .15s;flex-shrink:1;padding:3px 6px;border-radius:4px;max-width:100px;overflow:hidden;text-overflow:ellipsis}
.bread a:hover{opacity:1;background:var(--accent-glow)}
.bread .sep{color:var(--text-dimmer);flex-shrink:0;margin:0 1px;font-size:11px}
.bread .current{color:var(--text);font-weight:600;overflow:hidden;text-overflow:ellipsis;padding:3px 6px;max-width:140px}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:5px;padding:7px 14px;border:none;border-radius:var(--radius-sm);cursor:pointer;
  font-size:12px;font-weight:600;color:#fff;transition:all var(--transition);white-space:nowrap;
}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn:active:not(:disabled){transform:scale(0.96)}
.btn-primary{background:linear-gradient(135deg,rgba(91,156,245,.3),rgba(91,156,245,.12));border:1px solid rgba(91,156,245,.25)}
.btn-primary:hover{background:linear-gradient(135deg,rgba(91,156,245,.45),rgba(91,156,245,.18));box-shadow:0 2px 12px rgba(91,156,245,0.15)}
.btn-success{background:linear-gradient(135deg,rgba(52,211,153,.3),rgba(52,211,153,.12));border:1px solid rgba(52,211,153,.25)}
.btn-success:hover{background:linear-gradient(135deg,rgba(52,211,153,.45),rgba(52,211,153,.18));box-shadow:0 2px 12px rgba(52,211,153,0.15)}
.btn-home,.btn-style{background:transparent;color:var(--text-dim);border:1px solid var(--border);font-size:12px}
.btn-home:hover,.btn-style:hover{background:var(--surface);color:var(--text);border-color:var(--border-hover)}
.btn-style.active{background:var(--accent-glow);color:var(--accent);border-color:rgba(91,156,245,.3)}

/* ===== Download Dropdown ===== */
.dl-wrap{position:relative;flex-shrink:0;z-index:10}
#dlBtn{
  position:absolute;top:12px;left:12px;
  background:linear-gradient(135deg,var(--accent),var(--purple));
  border:none;padding:8px 18px;font-size:12px;font-weight:700;
  box-shadow:0 2px 12px rgba(91,156,245,0.3);
  letter-spacing:0.3px;z-index:10;border-radius:var(--radius-sm);
}
#dlBtn:hover{box-shadow:0 4px 20px rgba(91,156,245,0.45);transform:translateY(-1px)}
.dl-menu{
  position:fixed;top:auto;left:auto;z-index:99999;
  background:rgba(18,22,39,0.95);backdrop-filter:blur(20px);
  border:1px solid var(--border);border-radius:14px;
  padding:6px;width:260px;
  box-shadow:0 8px 32px rgba(0,0,0,0.5);
  opacity:0;visibility:hidden;transform:translateY(-8px) scale(0.97);
  transition:all var(--transition);
  pointer-events:auto;
}
.dl-menu.show{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.dl-item{
  display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:8px;cursor:pointer;
  transition:background var(--transition);
}
.dl-item:hover{background:var(--surface-hover)}
.dl-item.disabled{opacity:.35;pointer-events:none}
.dl-img-opts{padding:6px 11px 2px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:5px}
.dl-img-row{display:flex;align-items:center;justify-content:space-between;font-size:12px}
.dl-img-row select{
  background:var(--surface-2);border:1px solid var(--border);border-radius:5px;
  color:var(--text);padding:3px 6px;font-size:11px;cursor:pointer;font-family:inherit;outline:none;
}
.dl-img-row select:focus{border-color:var(--accent)}
.dl-img-row select{-webkit-appearance:none;appearance:none}
.dl-item .dl-ico{
  width:32px;height:32px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;flex-shrink:0;
}
.dl-item .dl-body{flex:1;min-width:0}
.dl-item .dl-name{font-size:13px;font-weight:600;color:var(--text)}
.dl-item .dl-desc{font-size:10px;color:var(--text-dim);margin-top:1px}
.dl-divider{height:1px;background:var(--border);margin:4px 8px}
.dl-divider-thick{height:1px;background:var(--border-hover);margin:8px 8px;border-top:1px dashed rgba(255,255,255,0.08)}

/* ===== Style Panel (右侧常驻) ===== */
.style-panel{
  flex:0 0 260px;min-width:200px;order:3;
  background:rgba(12,15,26,0.95);backdrop-filter:blur(20px);
  border-left:1px solid var(--border);
  padding:14px 14px 20px;overflow-y:auto;display:block;
}
.style-panel::-webkit-scrollbar{width:4px}
.style-panel::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.06);border-radius:4px}
.style-panel h3{font-size:13px;font-weight:700;margin-bottom:14px;color:var(--text);padding-left:2px}
.style-group{margin-bottom:14px}
.style-group:last-child{margin-bottom:0}
.style-group label{display:block;font-size:10px;color:var(--text-dim);margin-bottom:6px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}
.scheme-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.scheme-opt{
  padding:9px 8px;border-radius:8px;border:1px solid var(--border);cursor:pointer;
  text-align:center;font-size:11px;color:var(--text-dim);transition:all var(--transition);
  background:var(--surface);
}
.scheme-opt:hover{border-color:var(--border-hover);color:var(--text);background:var(--surface-2)}
.scheme-opt.active{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}
.scheme-opt .preview{display:flex;gap:3px;justify-content:center;margin-bottom:5px}
.scheme-opt .preview span{width:12px;height:12px;border-radius:3px;display:inline-block}
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:5px 0}
.toggle-row span{font-size:12px;color:var(--text-dim)}
.toggle{width:38px;height:22px;border-radius:11px;background:var(--surface-2);cursor:pointer;position:relative;transition:background .2s;flex-shrink:0;border:1px solid var(--border)}
.toggle.on{background:var(--accent);border-color:rgba(91,156,245,0.4)}
.toggle::after{content:'';position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,0.3)}
.toggle.on::after{transform:translateX(16px)}
.size-row{display:flex;gap:5px}
.size-opt{
  flex:1;padding:6px;border-radius:6px;border:1px solid var(--border);cursor:pointer;
  text-align:center;font-size:10px;color:var(--text-dim);transition:all var(--transition);background:var(--surface);font-weight:600;
}
.size-opt:hover{border-color:var(--border-hover);color:var(--text)}
.size-opt.active{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}
.bg-row{display:flex;gap:5px}
.bg-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:5px}
.bg-opt{
  padding:7px 10px;border-radius:6px;border:1px solid var(--border);cursor:pointer;
  text-align:center;font-size:11px;color:var(--text-dim);transition:all var(--transition);background:var(--surface);flex:1;font-weight:500;
}
.bg-opt:hover{border-color:var(--border-hover);color:var(--text)}
.bg-opt.active{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}
.style-close{position:absolute;top:12px;right:14px;cursor:pointer;color:var(--text-dimmer);font-size:18px;line-height:1;transition:color .15s;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:6px}
.style-close:hover{color:var(--text);background:var(--surface-hover)}

/* 地图上的样式按钮 — 不再需要 */
.map-style-btn{display:none}

/* ===== Main ===== */
main{flex:none;display:flex;flex-direction:row;width:100%;height:calc(100vh - 56px);position:relative;border:1px solid var(--border);border-radius:10px;margin:0 8px;width:calc(100% - 16px)}


/* ===== Map ===== */
.map-panel{flex:1;min-width:200px;position:relative;background:var(--bg);order:2;border-left:1px solid var(--border);z-index:1}
.map-panel #map{position:absolute;inset:0;width:100%;height:100%;border-radius:7px}

.placeholder{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--text-dimmer);pointer-events:none;z-index:500}
.placeholder.show{display:flex;animation:fadeIn 0.4s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.tutorial{display:flex;flex-direction:column;gap:14px;max-width:480px;padding:20px 24px}
.tutorial-step{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-dim);text-align:left}
.step-num{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.tutorial-done{font-size:13px;color:var(--text-dimmer);text-align:center;margin-top:8px;font-weight:500}

/* Loading overlay */
.map-loading{position:absolute;inset:0;display:none;align-items:center;justify-content:center;z-index:600;background:rgba(10,13,24,0.5);backdrop-filter:blur(2px)}
.map-loading.show{display:flex}
.map-loading .spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
.map-loading .retry-btn{margin-top:14px;background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--text-dim);padding:7px 20px;font-size:13px;cursor:pointer;transition:all var(--transition);font-family:inherit;display:inline-flex;align-items:center;gap:5px}
.map-loading .retry-btn:hover{background:var(--surface-hover);color:var(--text);border-color:var(--accent)}
@keyframes spin{to{transform:rotate(360deg)}}

.legend{
  position:absolute;right:14px;bottom:14px;z-index:1000;
  background:rgba(18,22,39,0.92);backdrop-filter:blur(10px);
  padding:9px 13px;border-radius:8px;border:1px solid var(--border);
  font-size:11px;display:none;line-height:1.6;
}
.legend.show{display:block;animation:fadeIn 0.3s ease}
.legend .title{font-size:9px;text-transform:uppercase;letter-spacing:1px;opacity:.4;margin-bottom:3px;font-weight:700}
.lr{display:flex;align-items:center;gap:7px}
.ld{width:16px;height:3px;border-radius:2px;flex-shrink:0}

/* ===== List ===== */
.list-panel{flex:0 0 340px;min-width:200px;overflow-y:auto;padding:14px 14px 18px;scroll-behavior:smooth;order:1;display:block;background:transparent;position:relative;border-right:1px solid var(--border)}
.list-panel::-webkit-scrollbar{width:5px}
.list-panel::-webkit-scrollbar-track{background:transparent}
.list-panel::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:5px}
.list-panel::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.15)}

.section-header{display:flex;align-items:center;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.section-header h2{font-size:15px;font-weight:700;letter-spacing:-0.3px}
.section-header .count{font-size:11px;color:var(--text-dim);background:var(--surface);padding:3px 10px;border-radius:100px;font-weight:600;border:1px solid var(--border)}
.section-header .sub{margin-left:auto;display:flex;align-items:center;gap:8px}

.search-wrap{position:relative;margin-bottom:10px;padding:0 2px}
.list-search{width:100%;box-sizing:border-box;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 32px 8px 12px;font-size:13px;font-family:inherit;outline:none;transition:border-color .15s}
.list-search:focus{border-color:var(--accent)}
.list-search::placeholder{color:var(--text-dimmer)}
.search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--text-dimmer);cursor:pointer;font-size:12px;line-height:1;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:50%}
.search-clear:hover{color:var(--text)}
.empty-state{padding:40px 20px;text-align:center;color:var(--text-dimmer);grid-column:1/-1}
.empty-icon{font-size:36px;margin-bottom:10px;opacity:.5}
.empty-txt{font-size:13px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:7px;width:100%}
.card{
  display:flex;align-items:center;gap:11px;
  padding:12px 14px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  cursor:pointer;transition:all var(--transition);user-select:none;
  box-shadow:var(--shadow-card);
  animation:cardIn 0.35s cubic-bezier(0.4,0,0.2,1) backwards;
}
@keyframes cardIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.card:hover{background:var(--surface-hover);border-color:var(--border-active);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card:active{transform:translateY(0) scale(0.99)}
.card .ico{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;transition:transform var(--transition)}
.card:hover .ico{transform:scale(1.08)}
.card.pv .ico{background:rgba(167,139,250,.14);color:var(--purple)}
.card.ct .ico{background:rgba(91,156,245,.14);color:var(--accent)}
.card.dt .ico{background:rgba(52,211,153,.14);color:var(--green)}
.card-body{flex:1;min-width:0}
.card-body .nm{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-body .mt{font-size:11px;color:var(--text-dimmer);margin-top:2px}
.card .arrow{font-size:12px;color:var(--text-dimmer);flex-shrink:0;transition:all var(--transition)}
.card:hover .arrow{color:var(--accent);transform:translateX(3px)}

/* ===== Toast ===== */
.toast{
  position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(20px);z-index:9999;
  padding:10px 22px;border-radius:100px;font-size:13px;font-weight:600;
  background:rgba(18,22,39,0.97);backdrop-filter:blur(16px);
  border:1px solid var(--border);color:var(--text);
  pointer-events:none;opacity:0;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
  display:flex;align-items:center;gap:7px;
  box-shadow:0 8px 24px rgba(0,0,0,0.3);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast .dot{width:7px;height:7px;border-radius:50%;background:var(--green);flex-shrink:0}

/* ===== Context Menu ===== */
.ctx-menu{
  position:fixed;z-index:9999;
  background:rgba(18,22,39,0.98);backdrop-filter:blur(20px);
  border:1px solid var(--border);border-radius:12px;
  padding:6px;width:220px;
  box-shadow:var(--shadow-panel);
  display:none;font-size:12px;
}
.ctx-menu.show{display:block;animation:panelIn 0.15s ease}
.ctx-header{padding:5px 10px 4px;font-size:11px;font-weight:600;color:var(--text);border-bottom:1px solid var(--border);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ctx-group{padding:4px 6px}
.ctx-row{display:flex;align-items:center;gap:6px;padding:3px 4px}
.ctx-row > span:first-child{font-size:10px;color:var(--text-dim);flex-shrink:0;width:44px}
.ctx-val{font-size:10px;color:var(--text-dimmer);min-width:18px;text-align:right;flex-shrink:0}
.ctx-divider{height:1px;background:var(--border);margin:3px 6px}
.ctx-item{padding:6px 10px;border-radius:6px;cursor:pointer;transition:background var(--transition);color:var(--text-dim);display:flex;align-items:center;gap:5px;font-size:11px}
.ctx-item:hover{background:var(--surface-hover);color:var(--text)}
.ctx-danger{color:var(--orange)}
.ctx-danger:hover{background:rgba(251,146,60,.1);color:var(--orange)}

@media(max-width:768px){
  .header-inner{padding:0 14px;height:48px;gap:10px}
  .brand{font-size:13px;gap:8px}.brand .icon{width:28px;height:28px;font-size:12px}
  .bread{font-size:12px}
  .btn{padding:5px 11px;font-size:11px}
  main{flex-direction:column}
  .map-panel{flex:0 0 40%;border-left:none;border-bottom:1px solid var(--border);order:1;border:none;border-radius:0;margin:0;min-width:0}
  .list-panel{flex:1;padding:14px 14px 18px;order:2;display:block;min-width:0}
  .style-panel{display:none}
  .grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:7px}
  .card{padding:10px 12px}
  .section-header h2{font-size:15px}
  .dl-menu{width:240px}
}