/* === SHP → KML 工具 - 暗色玻璃拟态主题 === */
:root {
  --bg-dark: #0f1117;
  --bg-panel: rgba(22, 26, 37, 0.85);
  --bg-panel-solid: #161a25;
  --bg-input: rgba(30, 35, 50, 0.8);
  --bg-hover: rgba(40, 45, 65, 0.8);
  --border: rgba(80, 90, 120, 0.4);
  --border-active: rgba(100, 180, 255, 0.6);
  --text: #e0e4ec;
  --text-dim: #8a90a0;
  --text-bright: #ffffff;
  --accent: #4a9eff;
  --accent-glow: rgba(74, 158, 255, 0.3);
  --success: #4caf50;
  --warn: #ff9800;
  --error: #f44336;
  --glass-blur: blur(12px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
}

body {
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-dark);
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  height: 48px;
  background: var(--bg-panel);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 10px; }
.app-icon { font-size: 20px; color: var(--accent); }
.app-header h1 { font-size: 15px; font-weight: 600; color: var(--text-bright); }
.btn-icon {
  background: none; border: none; font-size: 20px; cursor: pointer;
  color: var(--text-dim); padding: 4px 8px; border-radius: 6px;
  transition: all 0.2s;
}
.btn-icon:hover { background: var(--bg-hover); color: var(--text-bright); }

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Control Panel */
.control-panel {
  width: 360px;
  min-width: 360px;
  overflow-y: auto;
  background: var(--bg-panel);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--border);
  padding: 0;
}
.control-panel::-webkit-scrollbar { width: 6px; }
.control-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.panel-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: none;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  background: var(--bg-input);
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--border-active);
  background: var(--bg-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}
.upload-icon { font-size: 32px; margin-bottom: 8px; }
.upload-text { font-size: 13px; color: var(--text); margin-bottom: 4px; }
.upload-hint { font-size: 11px; color: var(--text-dim); line-height: 1.5; }

.files-list { margin-top: 8px; }
.files-list .file-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 8px; background: var(--bg-input); border-radius: 4px;
  margin-bottom: 4px; font-size: 12px;
}
.files-list .file-item .file-name { color: var(--text); }
.files-list .file-item .file-size { color: var(--text-dim); }

/* Upload buttons */
.upload-buttons {
  display: flex; gap: 8px; margin-top: 8px; justify-content: center;
}
.btn-upload {
  padding: 6px 16px; font-size: 12px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg-input); color: var(--text);
  cursor: pointer; transition: all 0.2s;
}
.btn-upload:hover {
  border-color: var(--border-active); background: var(--bg-hover);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* Component status badges */
.component-status {
  margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px;
}
.comp-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 4px; font-size: 11px;
  border: 1px solid var(--border);
}
.comp-badge.ok { background: rgba(52, 211, 153, 0.15); border-color: rgba(52, 211, 153, 0.4); color: #2ec4a8; }
.comp-badge.miss { background: rgba(255, 107, 107, 0.1); border-color: rgba(255, 107, 107, 0.3); color: #ff6b6b; }
.comp-badge .comp-icon { font-weight: bold; }

.shp-info {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg-input);
  border-radius: 8px;
  border-left: 3px solid var(--success);
}
.shp-info .info-row {
  display: flex; justify-content: space-between;
  margin-bottom: 4px; font-size: 12px;
}
.shp-info .info-label { color: var(--text-dim); }
.shp-info .info-value { color: var(--text-bright); font-weight: 500; }

/* Form Elements */
.form-group { margin-bottom: 12px; }
.form-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-dim); margin-bottom: 6px;
  cursor: pointer;
}
.form-label input[type="checkbox"] { cursor: pointer; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

.form-select, .form-text {
  width: 100%;
  padding: 7px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}
.form-select:focus, .form-text:focus { border-color: var(--border-active); }
.form-select option { background: var(--bg-panel-solid); color: var(--text); }

.form-number {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  outline: none;
}
.form-number:focus { border-color: var(--border-active); }

.form-color {
  width: 100%; height: 32px;
  padding: 2px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg-input);
  cursor: pointer;
}
.form-color::-webkit-color-swatch { border-radius: 4px; border: none; }

.form-range {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  background: var(--bg-input);
  border-radius: 2px;
  outline: none;
}
.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%; background: var(--accent);
  cursor: pointer; box-shadow: 0 0 8px var(--accent-glow);
}
.range-val {
  display: inline-block;
  font-size: 11px; color: var(--accent);
  margin-left: 8px; min-width: 35px;
}

.form-hint { font-size: 11px; color: var(--text-dim); margin-top: 4px; }
.font-selector-row { display: flex; gap: 8px; align-items: center; }
.font-selector-row .form-select { flex: 1; }
.font-selector-row .btn-small { flex-shrink: 0; padding: 6px 12px; }

/* Style Groups */
.style-group {
  padding: 10px;
  background: var(--bg-input);
  border-radius: 8px;
  margin-bottom: 10px;
}
.style-subtitle {
  font-size: 11px; color: var(--text-dim);
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;
}

/* Help Text */
.anno-help, .coord-help {
  font-size: 11px; color: var(--text-dim);
  margin-top: 8px; padding: 8px;
  background: rgba(74, 158, 255, 0.05);
  border-radius: 6px; border-left: 2px solid var(--accent);
  line-height: 1.6;
}
.anno-help b, .coord-help b { color: var(--accent); }

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 10px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 8px;
}
.btn-primary:hover:not(:disabled) {
  background: #5aa8ff;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:disabled {
  background: var(--border);
  cursor: not-allowed;
  opacity: 0.5;
}
.btn-secondary {
  width: 100%;
  padding: 10px;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border-active);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { background: var(--bg-hover); }
.btn-small {
  padding: 4px 10px;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-small:hover { background: var(--bg-hover); border-color: var(--border-active); }

.status-msg {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-dim);
  text-align: center;
}
.status-msg.success { color: var(--success); }
.status-msg.error { color: var(--error); }

/* Map Panel */
.map-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}
.map-panel.hidden { display: none; }
.map-toolbar {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-panel);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.map-select {
  padding: 5px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  outline: none;
  cursor: pointer;
}
.map-select option { background: var(--bg-panel-solid); }
.map-input {
  flex: 1;
  padding: 5px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  outline: none;
}
.map-input:focus { border-color: var(--border-active); }
.map-container {
  flex: 1;
  background: var(--bg-dark);
  z-index: 1;
}
/* Leaflet dark theme overrides */
.leaflet-container { background: var(--bg-dark); }
.leaflet-control-zoom a {
  background: var(--bg-panel) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}
.leaflet-control-attribution {
  background: rgba(0,0,0,0.5) !important;
  color: var(--text-dim) !important;
}
.leaflet-control-attribution a { color: var(--accent) !important; }

/* Status Bar */
.status-bar {
  height: 28px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}
.modal {
  background: var(--bg-panel-solid);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 420px;
  max-width: 90%;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 16px; color: var(--text-bright); }
.modal-close {
  background: none; border: none; font-size: 18px;
  color: var(--text-dim); cursor: pointer; padding: 4px;
}
.modal-close:hover { color: var(--text-bright); }
.modal-body { padding: 20px; }
.modal-footer { padding: 0 20px 20px; }

/* Expand/collapse animation for hidden sections */
.panel-section { animation: fadeIn 0.3s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tooltip */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%; left: 50%;
  transform: translateX(-50%);
  background: var(--bg-panel-solid);
  color: var(--text);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 1000;
  border: 1px solid var(--border);
}
[data-tooltip]:hover::after { opacity: 1; }

/* === KML Overlay List (floating panel on map) === */
.kml-overlay-list {
  position: absolute;
  top: 52px;
  right: 12px;
  z-index: 500;
  width: 220px;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--bg-panel);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  padding: 8px;
}
.kml-overlay-list::-webkit-scrollbar { width: 4px; }
.kml-overlay-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.kml-overlay-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.kml-clear-btn {
  background: none;
  border: none;
  color: var(--error);
  font-size: 10px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.kml-clear-btn:hover { background: rgba(244, 67, 54, 0.15); }

.kml-overlay-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 6px;
  border-radius: 5px;
  margin-bottom: 3px;
  background: var(--bg-input);
  transition: background 0.2s;
}
.kml-overlay-item:hover { background: var(--bg-hover); }

.kml-overlay-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
  flex: 1;
  min-width: 0;
}
.kml-overlay-toggle input[type="checkbox"] { cursor: pointer; flex-shrink: 0; }
.kml-color-dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.3);
}
.kml-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.kml-count {
  font-size: 10px;
  color: var(--text-dim);
  background: var(--bg-panel-solid);
  padding: 1px 5px;
  border-radius: 8px;
  flex-shrink: 0;
}
.kml-remove-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-left: 4px;
}
.kml-remove-btn:hover { color: var(--error); background: rgba(244, 67, 54, 0.15); }

/* === 标注位置选择器 === */
.position-label-row {
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
}
.position-help-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: bold;
  cursor: help;
  flex-shrink: 0;
  transition: all 0.2s;
}
.position-help-trigger:hover {
  color: var(--accent);
  border-color: var(--border-active);
  background: var(--accent-glow);
}
.position-help-tooltip {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 9999;
  background: var(--bg-panel-solid);
  border: 1px solid var(--border-active);
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  width: 320px;
  margin-top: 6px;
  backdrop-filter: var(--glass-blur);
}
.position-help-tooltip::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 20px;
  border: 6px solid transparent;
  border-bottom-color: var(--border-active);
}
.position-help-trigger:hover + .position-help-tooltip,
.position-help-tooltip:hover {
  display: block;
}

.position-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 3px;
  width: 100%;
  max-width: 120px;
  aspect-ratio: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px;
}
.pos-cell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}
.pos-cell:hover {
  background: rgba(74, 158, 255, 0.12);
}
.pos-cell input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.pos-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
  opacity: 0.4;
  transition: all 0.15s;
}
.pos-cell:hover .pos-dot {
  opacity: 0.7;
}
/* Position dots - placed at corresponding position within the cell */
.pos-tl { align-self: flex-start; justify-self: flex-start; margin: 3px 0 0 3px; }
.pos-tc { align-self: flex-start; }
.pos-tr { align-self: flex-start; justify-self: flex-end; margin: 3px 3px 0 0; }
.pos-ml { justify-self: flex-start; margin-left: 3px; }
.pos-c  { align-self: center; justify-self: center; }
.pos-mr { justify-self: flex-end; margin-right: 3px; }
.pos-bl { align-self: flex-end; justify-self: flex-start; margin: 0 0 3px 3px; }
.pos-bc { align-self: flex-end; }
.pos-br { align-self: flex-end; justify-self: flex-end; margin: 0 3px 3px 0; }

/* Selected state */
.pos-cell:has(input:checked),
.pos-cell.pos-selected {
  background: rgba(74, 158, 255, 0.2);
  border: 1px solid var(--accent);
}
.pos-cell:has(input:checked) .pos-dot,
.pos-cell.pos-selected .pos-dot {
  background: var(--accent);
  opacity: 1;
  box-shadow: 0 0 6px var(--accent-glow);
  transform: scale(1.3);
}

/* ============================================================
   响应式 / 多端适配 (Responsive · 电脑 / 平板 / 手机)
   ============================================================ */

/* 动态视口高度，规避移动端地址栏导致的 100vh 抖动 */
#app { height: 100dvh; }
body { -webkit-tap-highlight-color: transparent; }

/* 移动端底部导航（默认隐藏，窄屏显示） */
.mobile-nav { display: none; }

/* —— 平板 (≤1024px)：收窄侧栏 —— */
@media (max-width: 1024px) {
  .control-panel { width: 320px; min-width: 320px; }
}

/* —— 手机 / 竖屏平板 (≤768px)：上下切换式布局 —— */
@media (max-width: 768px) {
  .app-header { padding: 0 12px; height: 46px; }
  .app-header h1 { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  .main-content { flex-direction: column; position: relative; }

  .control-panel,
  .map-panel {
    width: 100% !important;
    min-width: 0 !important;
    flex: 1 1 auto;
    height: auto;
    border-right: none;
  }
  .control-panel { border-bottom: 1px solid var(--border); }

  /* 一次只显示一个视图，另一个隐藏；显示的保留自身 display */
  body.mv-panel .map-panel { display: none; }
  body.mv-map   .control-panel { display: none; }

  /* 地图工具条在窄屏允许换行，避免溢出 */
  .map-toolbar { flex-wrap: wrap; }

  /* 浮动 KML 图层面板在窄屏收窄 */
  .kml-overlay-list { width: 180px; max-height: 45vh; }

  /* 底部导航栏 */
  .mobile-nav {
    display: flex;
    height: 54px;
    min-height: 54px;
    background: var(--bg-panel);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--border);
    z-index: 200;
  }
  .mnav-btn {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
    background: none; border: none; color: var(--text-dim);
    font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit;
    transition: all 0.2s;
  }
  .mnav-btn.active { color: var(--accent); background: rgba(74,158,255,0.08); box-shadow: inset 0 2px 0 var(--accent); }

  /* 隐藏桌面状态栏，节省竖屏空间 */
  .status-bar { display: none; }

  /* 触摸友好：加大点击目标 & 防止 iOS 聚焦缩放 */
  .form-select, .form-text, .form-number, .map-select, .map-input { font-size: 16px; padding: 9px 12px; }
  .btn-primary, .btn-secondary { padding: 12px; font-size: 15px; }
  .btn-small, .btn-upload { padding: 8px 12px; font-size: 13px; }

  /* 位置选择器在窄屏放大更易点选 */
  .position-grid { max-width: 150px; }

  /* 弹窗自适应高度 */
  .modal { width: 94vw; max-width: 94vw; max-height: 88vh; display: flex; flex-direction: column; }
  .modal-body { overflow-y: auto; }
}

/* —— 超窄屏 (≤380px) 微调 —— */
@media (max-width: 380px) {
  .panel-section { padding: 12px 14px; }
  .upload-buttons { flex-direction: column; }
  .btn-upload { width: 100%; }
}

/* ====== SEO/GEO 内容区样式（深色主题协调）====== */
.tool-content {
  max-width: 880px; margin: 0 auto; padding: 32px 24px 48px;
  color: var(--text); line-height: 1.7;
}
.tc-block { margin-bottom: 36px; }
.tc-title {
  font-size: 1.35em; color: var(--text-bright); margin-bottom: 14px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.tool-content p { margin-bottom: 12px; color: var(--text); }
.tool-content strong { color: var(--text-bright); font-weight: 600; }
.tool-content a { color: var(--accent); text-decoration: none; }
.tool-content a:hover { text-decoration: underline; }
.tc-steps { margin: 12px 0 12px 22px; }
.tc-steps li { margin-bottom: 10px; color: var(--text); }
.tc-steps strong { color: var(--accent); }
.tc-related { list-style: none; margin-left: 0; }
.tc-related li { margin-bottom: 8px; padding-left: 18px; position: relative; color: var(--text-dim); }
.tc-related li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.tc-related a { color: var(--text); }
.tc-related a:hover { color: var(--accent); }
.tc-faq {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 6px;
  margin-bottom: 10px; padding: 0; overflow: hidden;
}
.tc-faq summary {
  cursor: pointer; padding: 14px 18px; color: var(--text-bright); font-weight: 500;
  list-style: none; display: flex; align-items: center;
}
.tc-faq summary::-webkit-details-marker { display: none; }
.tc-faq summary::before { content: "+"; margin-right: 10px; color: var(--accent); font-weight: 700; }
.tc-faq[open] summary::before { content: "−"; }
.tc-faq summary:hover { background: var(--bg-hover); }
.tc-faq p { padding: 0 18px 16px 32px; color: var(--text); margin: 0; }
@media (max-width: 768px) {
  .tool-content { padding: 24px 16px 36px; }
  .tc-title { font-size: 1.2em; }
}