:root{
  --bg:#f6f7f9; --card:#fff; --text:#101828; --sub:#667085; --line:#e6e8ec;
  --brand:#2563eb; --brand-soft:#eff4ff; --shadow:0 10px 40px rgba(16,24,40,.12);
  --danger:#dc2626;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;display:flex;flex-direction:column;overflow:hidden}

/* 顶栏 */
.topbar{height:56px;flex:none;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 18px;z-index:20;gap:12px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.brand h1{font-size:16px;font-weight:600;margin:0;letter-spacing:.3px;white-space:nowrap}
.actions{display:flex;align-items:center;gap:8px}
.meta{font-size:12px;color:var(--sub);white-space:nowrap}
.meta #stat-count{font-weight:700;color:var(--brand)}
.btn-primary,.btn-ghost,.btn-danger{border:0;border-radius:9px;padding:8px 14px;font-size:13px;
  font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:#1d4ed8}
.btn-ghost{background:#f2f4f7;color:#344054;border:1px solid var(--line)}.btn-ghost:hover{background:#e9ecf1}
.btn-danger{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.btn-danger:hover{background:#fee2e2}
.btn-sm{padding:6px 10px;font-size:12px;border-radius:8px}

/* 地图 */
#map{flex:1;min-height:0;background:#e8eaee}

/* 通用抽屉/面板 */
.drawer{position:fixed;top:56px;left:0;height:calc(100% - 56px);width:min(360px,92vw);background:var(--card);
  box-shadow:var(--shadow);transform:translateX(-103%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  z-index:40;display:flex;flex-direction:column}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.drawer-head b{font-size:14px}
.drawer-search{padding:10px 12px;border-bottom:1px solid var(--line)}
.drawer-search input{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;outline:none}
.drawer-search input:focus{border-color:var(--brand)}
.city-list{overflow-y:auto;padding:6px 0;-webkit-overflow-scrolling:touch}
.city-list .hint{padding:16px;color:#98a2b3;font-size:13px;text-align:center}
.prov{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;cursor:pointer;
  font-size:14px;border-bottom:1px solid #f4f5f7}
.prov:hover{background:#fafbfc}
.prov .arrow{color:#cbd5e1;font-size:12px;transition:transform .2s}
.prov.open .arrow{transform:rotate(90deg)}
.cities{display:none;flex-wrap:wrap;gap:6px;padding:10px 16px 14px;background:#fafbfc}
.prov.open + .cities{display:flex}
.city-item{font-size:13px;padding:5px 11px;border-radius:16px;background:#fff;border:1px solid var(--line);cursor:pointer}
.city-item:hover{border-color:var(--brand);color:var(--brand)}
.city-item.visited{background:var(--brand);color:#fff;border-color:var(--brand)}

/* 详情面板 */
.panel{position:fixed;top:0;right:0;height:100%;width:min(440px,100%);background:var(--card);
  box-shadow:var(--shadow);transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  z-index:45;display:flex;flex-direction:column}
.panel.open{transform:none}
.panel-close{position:absolute;top:12px;right:12px;width:34px;height:34px;border:0;border-radius:50%;
  background:#f2f4f7;color:#475467;font-size:20px;line-height:1;cursor:pointer;z-index:2}
.panel-close:hover{background:#e6e8ec}
.panel-body{overflow-y:auto;padding:26px 24px 40px;-webkit-overflow-scrolling:touch}

.p-title{font-size:21px;font-weight:700;margin:0 0 4px;padding-right:34px}
.p-city{font-size:13px;color:var(--sub);margin-bottom:16px}
.p-transport{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.trip{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#344054;
  background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.trip .ic{font-size:15px;line-height:1.3}
.trip .tx{flex:1}.trip .tx b{font-weight:600}.trip .tx small{display:block;color:#98a2b3;margin-top:2px}
.p-note{font-size:14px;line-height:1.75;color:#344054;white-space:pre-wrap;
  background:#fafbfc;border-left:3px solid var(--brand);border-radius:0 8px 8px 0;padding:12px 14px;margin-bottom:18px}
.p-sec{font-size:13px;font-weight:600;color:var(--sub);margin:22px 0 10px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:space-between}
.p-empty{font-size:13px;color:#98a2b3;padding:18px 0;text-align:center}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.grid .ph{position:relative;display:block;aspect-ratio:1/1;border-radius:8px;overflow:hidden;background:#eef0f3}
.grid img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in;transition:transform .25s}
.grid .ph:hover img{transform:scale(1.06)}
.grid .del{position:absolute;top:4px;right:4px;width:22px;height:22px;border:0;border-radius:50%;
  background:rgba(16,24,40,.6);color:#fff;font-size:13px;line-height:1;cursor:pointer;display:none}
.grid .ph:hover .del{display:block}
.edit-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* 遮罩 */
.scrim{position:fixed;inset:0;background:rgba(16,24,40,.35);opacity:0;visibility:hidden;
  transition:opacity .28s;z-index:35}
.scrim.show{opacity:1;visibility:visible}

/* 灯箱 */
.lightbox{position:fixed;inset:0;background:rgba(10,12,16,.94);display:none;align-items:center;justify-content:center;z-index:60}
.lightbox.show{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;object-fit:contain;border-radius:4px}
.lb-close,.lb-prev,.lb-next{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;
  cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center}
.lb-close{top:20px;right:24px;width:42px;height:42px;font-size:24px}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:30px}
.lb-prev{left:20px}.lb-next{right:20px}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.25)}
.lb-count{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:#fff;font-size:13px;opacity:.8}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(16,24,40,.45);display:flex;align-items:center;justify-content:center;z-index:70;padding:16px}
.modal-card{background:#fff;border-radius:16px;padding:26px;width:min(380px,100%);box-shadow:var(--shadow)}
.modal-card h3{margin:0 0 6px;font-size:18px}
.modal-sub{margin:0 0 16px;font-size:13px;color:var(--sub)}
.modal-card input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;outline:none}
.modal-card input:focus{border-color:var(--brand)}
.modal-err{color:var(--danger);font-size:12px;min-height:16px;margin-top:8px}
.modal-act{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}

/* 提示 */
.setup-hint{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);max-width:560px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);
  padding:14px 18px;font-size:13px;line-height:1.7;color:#344054;z-index:30}
.setup-hint code{background:#f2f4f7;padding:1px 6px;border-radius:5px;font-size:12px}
.setup-hint a{color:var(--brand)}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#101828;color:#fff;
  padding:11px 20px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:80}
.toast.show{opacity:1;transform:translate(-50%,0)}

.amap-info{display:none!important}

/* 行程页 */
.page{max-width:860px;margin:0 auto;padding:28px 16px 60px;overflow-y:auto;height:calc(100vh - 56px)}
.trip-form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:grid;
  grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px}
.trip-form input,.trip-form select,.trip-form textarea{padding:10px 12px;border:1px solid var(--line);
  border-radius:9px;font-size:14px;outline:none;font-family:inherit;width:100%}
.trip-form textarea{grid-column:1/-1;resize:vertical;min-height:52px}
.trip-form .full{grid-column:1/-1}
.trip-form input:focus,.trip-form select:focus,.trip-form textarea:focus{border-color:var(--brand)}
.trip-list{display:flex;flex-direction:column;gap:10px}
.trip-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  display:flex;align-items:center;gap:14px}
.trip-card .ic{font-size:20px}
.trip-card .main{flex:1;min-width:0}
.trip-card .main b{font-size:14px}
.trip-card .main .route{font-size:13px;color:#475467;margin-top:2px}
.trip-card .main small{color:#98a2b3;font-size:12px}
.trip-card .acts{display:flex;gap:6px}

@media (max-width:560px){
  .topbar{padding:0 12px;gap:6px}
  .brand h1{font-size:15px}
  .btn-primary,.btn-ghost{padding:7px 10px;font-size:12px}
  .trip-form{grid-template-columns:1fr}
}