/* ── 地图可视化 · 样式 ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:14px;line-height:1.6;color:var(--text-primary);
  background-color:var(--bg-body);
  background-image:var(--bg-pattern,radial-gradient(circle,var(--border) 1px,transparent 1px));
  background-size:var(--bg-pattern-size,18px 18px);min-height:100vh;padding:20px;
}
body[data-theme="3"]{background-image:linear-gradient(135deg,#e8f0fe,#f3e8ff,#fce7f3,#e0f2fe)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}

/* ── Layout ── */
.app-layout{display:flex;min-height:100vh}
.sidebar{
  width:260px;min-width:260px;position:fixed;top:0;left:0;bottom:0;
  background:var(--bg-panel);border-right:1px solid var(--border);
  padding:20px 14px;display:flex;flex-direction:column;
  z-index:100;overflow-y:auto;
}
.sidebar-brand{font-family:Georgia,'Times New Roman',serif;font-size:1rem;font-weight:bold;color:var(--text-primary);text-decoration:none;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.sidebar-nav{list-style:none;flex:1}
.sidebar-nav li{margin-bottom:2px}
.sidebar-nav a{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:2px;color:var(--text-secondary);text-decoration:none;font-size:.8rem;transition:all .15s}
.sidebar-nav a:hover{background:var(--button-bg);color:var(--text-primary)}
.sidebar-nav a.active{background:var(--button-bg);color:var(--accent);font-weight:600}
.sidebar-divider{height:1px;background:var(--border);margin:16px 0}
.main-content{margin-left:260px;flex:1;padding:20px 24px;display:flex;flex-direction:column}

/* ── Navbar ── */
.navbar{
  background:var(--bg-panel);border:1px solid var(--border);
  padding:10px 20px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:10px;border-radius:2px;margin-bottom:12px;
}
.navbar-brand{font-family:Georgia,'Times New Roman',serif;font-size:1.05rem;font-weight:bold;color:var(--text-primary);text-decoration:none;white-space:nowrap}
.navbar-links{display:flex;flex-wrap:wrap;gap:2px;list-style:none}
.navbar-links a{display:inline-block;padding:6px 12px;border-radius:2px;color:var(--text-secondary);text-decoration:none;font-size:.82rem;font-weight:500}
.navbar-links a:hover{background:var(--button-bg);color:var(--text-primary)}
.navbar-links a.active{color:var(--accent);background:var(--button-bg)}
.navbar-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* ── Map workspace ── */
.map-workspace{display:flex;flex:1;gap:12px;min-height:0}
.map-panel{
  width:340px;min-width:340px;background:var(--bg-panel);
  border:1px solid var(--border);border-radius:2px;
  display:flex;flex-direction:column;overflow-y:auto;padding:14px;
}
.map-panel .section-title{
  font-family:Georgia,'Times New Roman',serif;font-size:.85rem;font-weight:bold;
  color:var(--text-primary);padding-bottom:6px;margin-bottom:10px;
  border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px;
}
.map-panel .section-title .toggle{font-size:.72rem;font-weight:normal;color:var(--text-secondary);cursor:pointer;margin-left:auto}
.map-container{
  flex:1;min-width:0;background:var(--bg-panel);
  border:1px solid var(--border);border-radius:2px;position:relative;
}
.map-container .leaflet-map{width:100%;height:100%}

/* ── Buttons ── */
.btn{background:var(--button-bg);color:var(--text-primary);border:1px solid var(--border);border-radius:2px;padding:6px 14px;font-size:.82rem;font-family:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;box-shadow:inset 0 -2px 0 rgba(0,0,0,0.06);text-decoration:none}
.btn:hover{background:var(--button-hover)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-sm{padding:4px 10px;font-size:.76rem}
.btn-group{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.btn-success{background:var(--success);color:#fff;border:1px solid var(--success)}
.btn-danger{background:var(--error);color:#fff;border:1px solid var(--error)}

/* ── Form controls ── */
textarea,input[type="text"],input[type="number"],input[type="search"],select{
  background:var(--bg-body);color:var(--text-primary);border:1px solid var(--border);
  border-radius:2px;padding:8px 10px;font-family:'Courier New',Courier,monospace;
  font-size:.84rem;width:100%;outline:none;
}
textarea:focus,input:focus,select:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:80px}
select{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}
.mb-1{margin-bottom:8px}
.mb-2{margin-bottom:12px}
.label-help{font-size:.76rem;color:var(--text-secondary);display:block;margin-bottom:4px}
.text-xs{font-size:.74rem}

/* ── Theme toggle ── */
.theme-toggle{background:var(--button-bg);border:1px solid var(--border);color:var(--text-primary);border-radius:2px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem}
.theme-toggle:hover{background:var(--button-hover)}

/* ── Collapsible ── */
.collapse-content{overflow:hidden;transition:max-height .3s}
.collapse-content.collapsed{max-height:0!important}

/* ── Layer list ── */
.layer-item{display:flex;align-items:center;gap:8px;padding:6px 8px;font-size:.78rem;border-bottom:1px solid var(--border);color:var(--text-primary)}
.layer-item:hover{background:var(--button-bg)}
.layer-item input[type="checkbox"]{width:auto;cursor:pointer}
.layer-item .layer-color{width:14px;height:14px;border-radius:3px;flex-shrink:0}
.layer-item .layer-actions{margin-left:auto;display:flex;gap:4px}

/* ── Data table ── */
.data-table-wrap{max-height:200px;overflow:auto;margin-top:10px;border:1px solid var(--border);border-radius:2px}
.data-table-wrap table{width:100%;border-collapse:collapse;font-size:.74rem}
.data-table-wrap th{background:var(--button-bg);color:var(--text-primary);padding:5px 8px;text-align:left;font-weight:600;border-bottom:2px solid var(--border);position:sticky;top:0;white-space:nowrap}
.data-table-wrap td{padding:4px 8px;border-bottom:1px solid var(--border);color:var(--text-secondary);white-space:nowrap}
.data-table-wrap tr:hover td{background:var(--button-hover)}

/* ── Status bar ── */
.status-bar{display:flex;align-items:center;gap:8px;padding:8px 14px;margin-top:10px;background:var(--bg-panel);border:1px solid var(--border);border-radius:2px;font-size:.76rem;color:var(--text-secondary)}

/* ── Legend ── */
.map-legend{background:rgba(255,255,255,0.92);padding:10px 14px;border-radius:4px;font-size:.74rem;line-height:1.8;box-shadow:0 1px 6px rgba(0,0,0,0.15);pointer-events:auto}
body[data-theme="4"] .map-legend{background:rgba(22,27,34,0.92);color:#c9d1d9}

/* ── Search results ── */
.search-results{background:var(--bg-panel);border:1px solid var(--border);border-radius:2px;max-height:160px;overflow:auto;position:absolute;z-index:1000;width:100%;display:none}
.search-results .item{padding:6px 10px;font-size:.78rem;cursor:pointer;border-bottom:1px solid var(--border)}
.search-results .item:hover{background:var(--button-bg)}

/* ── Upload zone ── */
.upload-zone{border:2px dashed var(--border);border-radius:4px;padding:16px;text-align:center;cursor:pointer;margin-bottom:10px;transition:all .15s}
.upload-zone:hover{border-color:var(--accent);background:var(--button-bg)}
.upload-zone.dragover{border-color:var(--accent);background:var(--accent);color:#fff}

/* ── Range slider ── */
input[type="range"]{width:100%;margin:4px 0;accent-color:var(--accent)}

/* ── Responsive ── */
@media(max-width:768px){
  body{padding:10px}
  .sidebar{width:240px;min-width:240px;padding:14px 10px}
  .main-content{margin-left:240px;padding:12px}
  .map-panel{width:280px;min-width:280px}
}
@media(max-width:560px){
  .sidebar{position:relative;width:100%;min-width:100%;max-height:130px;flex-direction:row;flex-wrap:wrap;align-items:center;gap:6px;padding:8px 12px;border-right:none;border-bottom:1px solid var(--border)}
  .sidebar-brand{margin-bottom:0;font-size:.9rem}
  .sidebar-nav{display:flex;flex-wrap:wrap;gap:2px;flex:none}
  .sidebar-nav li{margin:0}
  .sidebar-nav a{padding:3px 6px;font-size:.7rem}
  .sidebar-divider{display:none}
  .app-layout{flex-direction:column}
  .main-content{margin-left:0;padding:8px}
  .map-workspace{flex-direction:column}
  .map-panel{width:100%;min-width:100%;max-height:300px}
  .map-container{min-height:400px}
}