/* ================================================
   leaflet-vasslayers — 航海指挥中心深色主题
   ================================================ */

:root {
  --cyan:         #38c8e8;
  --cyan-light:   #6dd8ef;
  --cyan-dim:     rgba(56, 200, 232, 0.12);
  --cyan-border:  rgba(56, 200, 232, 0.25);
  --cyan-glow:    0 0 10px rgba(56, 200, 232, 0.2);
  --panel-bg:     rgba(8, 18, 30, 0.82);
  --panel-bg2:    rgba(12, 24, 38, 0.92);
  --text:         #b8d8e8;
  --text-dim:     rgba(184, 216, 232, 0.4);
  --text-bright:  #dff0f8;
  --active-bg:    rgba(56, 200, 232, 0.15);
  --hover-bg:     rgba(56, 200, 232, 0.07);
  --font-ui:      'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
  --font-mono:    'SF Mono', 'Consolas', 'Courier New', monospace;
  --radius:       4px;
  --radius-lg:    6px;
}

html, body, #map {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
  font-family: var(--font-ui);
}

/* VaSSLayers wordmark + icon (demo/assets/vasslayers-logo.svg), white on map */
.vass-brand {
  position: absolute;
  z-index: 1000;
  top: 10px;
  right: 10px;
  left: auto;
  pointer-events: none;
}
.vass-brand img {
  display: block;
  height: 56px;
  width: auto;
  max-width: min(92vw, 320px);
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.55));
}

#map {
  background-color: rgba(130, 130, 130, 1);
}

/* ────────────────────────────────────────────────
   通用面板基础样式
   ──────────────────────────────────────────────── */
.my-leaflet-control,
.custom-control,
.layer-switch-control,
.year-control,
.layer-group-control,
.title,
.value-display,
.zoom-latlng-display {
  background: var(--panel-bg);
  border: 1px solid var(--cyan-border);
  color: var(--text);
  font-family: var(--font-ui);
  backdrop-filter: blur(16px) saturate(1.3);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5), var(--cyan-glow);
  transition: border-color .2s, box-shadow .2s;
}

.my-leaflet-control:hover,
.custom-control:hover,
.layer-switch-control:hover,
.layer-group-control:hover {
  border-color: rgba(56, 200, 232, 0.45);
  box-shadow: 0 4px 20px rgba(0,0,0,0.55), 0 0 16px rgba(56,200,232,0.18);
}

/* ────────────────────────────────────────────────
   标题控件
   ──────────────────────────────────────────────── */
.title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--cyan);
  padding: 9px 14px;
  white-space: nowrap;
  border-left: 3px solid var(--cyan);
}

/* ────────────────────────────────────────────────
   定位控件
   ──────────────────────────────────────────────── */
.custom-control {
  padding: 10px 12px;
  min-width: 160px;
  max-width: 180px;
}

.custom-control input[type="text"] {
  width: 100%;
  padding: 6px 9px;
  margin: 3px 0;
  border: 1px solid rgba(56,200,232,0.18);
  border-radius: var(--radius);
  background: rgba(56,200,232,0.05);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-bright);
  outline: none;
  box-sizing: border-box;
  transition: border-color .2s, background .2s;
}

.custom-control input[type="text"]:focus {
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.custom-control input[type="text"]::placeholder {
  color: var(--text-dim);
  font-size: 11px;
}

.custom-control #go-to-btn {
  width: 100%;
  padding: 7px;
  margin-top: 6px;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: var(--radius);
  color: var(--cyan-light);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all .2s;
}

.custom-control #go-to-btn:hover {
  background: rgba(56,200,232,0.22);
  border-color: var(--cyan);
  color: #fff;
  box-shadow: 0 0 8px rgba(56,200,232,0.3);
}

.custom-control #go-to-btn:active {
  transform: scale(.98);
}

/* ────────────────────────────────────────────────
   图层管理控件（LayerSwitchControl）
   ──────────────────────────────────────────────── */
.layer-switch-control {
  min-width: 190px;
  overflow: hidden;
  padding: 0;
}

.layer-switch-control.expanded {
  box-shadow: 0 4px 20px rgba(0,0,0,0.55), 0 0 16px rgba(56,200,232,0.18);
}

.layer-switch-content {
  border-top: 1px solid rgba(56,200,232,0.12);
  padding: 12px;
}

.base-map-section {
  margin-bottom: 10px;
}

.data-layer-section {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(56,200,232,0.1);
}

.section-label {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 7px;
  opacity: .75;
}

.layer-switch-control .layer-select {
  width: 100%;
  padding: 7px 30px 7px 10px;
  border: 1px solid rgba(56,200,232,0.18);
  border-radius: var(--radius);
  background: rgba(56,200,232,0.05);
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--text-bright);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%2338c8e8' d='M5 7L1 3h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  box-sizing: border-box;
  outline: none;
  transition: border-color .2s;
}

.layer-switch-control .layer-select:focus {
  border-color: var(--cyan);
  background-color: var(--cyan-dim);
}

/* ────────────────────────────────────────────────
   聚合图层列表控件
   ──────────────────────────────────────────────── */
.layer-group-control {
  min-width: 190px;
  overflow: hidden;
  padding: 0;
}

.layer-group-control.expanded {
  box-shadow: 0 4px 20px rgba(0,0,0,0.55), 0 0 16px rgba(56,200,232,0.18);
}

.layer-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid transparent;
  transition: background .18s;
}

.layer-group-header:hover {
  background: var(--hover-bg);
}

.layer-group-control.expanded .layer-group-header {
  border-bottom-color: rgba(56,200,232,0.12);
}

.layer-group-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--cyan);
}

.layer-group-toggle {
  color: var(--cyan);
  font-size: 10px;
  opacity: .7;
  transition: transform .25s;
}

.layer-group-control.expanded .layer-group-toggle {
  transform: rotate(180deg);
}

.layer-group-list {
  max-height: 400px;
  overflow-y: auto;
  overflow-x: hidden;
}

.layer-group-list::-webkit-scrollbar {
  width: 3px;
}

.layer-group-list::-webkit-scrollbar-track {
  background: transparent;
}

.layer-group-list::-webkit-scrollbar-thumb {
  background: rgba(56,200,232,0.3);
  border-radius: 2px;
}

.layer-group-list::-webkit-scrollbar-thumb:hover {
  background: rgba(56,200,232,0.55);
}

.layer-group-item {
  padding: 9px 14px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background .15s, color .15s, padding-left .15s;
}

.layer-group-item:last-child {
  border-bottom: none;
}

.layer-group-item:hover {
  background: var(--hover-bg);
  color: var(--text-bright);
  padding-left: 18px;
}

.layer-group-item.active {
  background: var(--active-bg);
  color: var(--cyan-light);
  font-weight: 600;
  border-left: 2px solid var(--cyan);
  padding-left: 12px;
}

.layer-group-item > div {
  pointer-events: none;
}

/* ────────────────────────────────────────────────
   数值 / 坐标显示
   ──────────────────────────────────────────────── */
.value-display {
  font-size: 12px;
  line-height: 1.7;
  padding: 9px 12px;
  font-family: var(--font-mono);
  max-width: 260px;
  word-wrap: break-word;
}

.value-display strong {
  color: var(--cyan-light);
  font-weight: 600;
}

.zoom-latlng-display {
  font-size: 11px;
  padding: 8px 11px;
  line-height: 1.75;
  font-family: var(--font-mono);
  max-width: 240px;
  word-wrap: break-word;
}

.zoom-latlng-display .zoom-info {
  margin-bottom: 3px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(56,200,232,0.1);
  color: var(--text-dim);
}

.zoom-latlng-display .latlng-info {
  margin-top: 3px;
}

.zoom-latlng-display span {
  color: var(--cyan-light);
  font-weight: 600;
}

/* ────────────────────────────────────────────────
   触发按钮控件
   ──────────────────────────────────────────────── */
.leaflet-bar.value-display {
  padding: 0;
  cursor: pointer;
  margin-bottom: 8px;
}

.leaflet-bar.value-display:hover {
  border-color: rgba(56,200,232,0.5);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5), 0 0 12px rgba(56,200,232,0.2);
}

.leaflet-bar.value-display > div {
  padding: 8px 15px;
  color: var(--cyan);
  font-weight: 600;
  font-size: 12px;
  text-align: center;
  letter-spacing: .5px;
  transition: background .18s;
}

.leaflet-bar.value-display:hover > div {
  background: var(--hover-bg);
  color: var(--text-bright);
}

/* ────────────────────────────────────────────────
   年份滑块
   ──────────────────────────────────────────────── */
.year-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 14px;
  min-width: 200px;
}

.year-control label {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.year-control input[type="range"] {
  width: 100%;
  height: 4px;
  background: rgba(56,200,232,0.15);
  border: none;
  border-radius: 2px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.year-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(56,200,232,0.6);
  transition: transform .18s, box-shadow .18s;
  border: 2px solid rgba(8,18,30,0.8);
}

.year-control input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 10px rgba(56,200,232,0.8);
}

.year-control input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid rgba(8,18,30,0.8);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(56,200,232,0.6);
}

/* ────────────────────────────────────────────────
   Leaflet 弹出窗口
   ──────────────────────────────────────────────── */
.leaflet-popup-content-wrapper {
  border-radius: var(--radius-lg);
  background: var(--panel-bg2);
  border: 1px solid var(--cyan-border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.6), var(--cyan-glow);
}

.leaflet-popup-content {
  margin: 12px 15px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  font-family: var(--font-mono);
}

.leaflet-popup-content strong {
  color: var(--cyan-light);
  font-weight: 600;
}

.leaflet-popup-tip {
  background: var(--panel-bg2);
}

.leaflet-popup-bottom .leaflet-popup-tip-container { margin-top: -1px; }
.leaflet-popup-top .leaflet-popup-tip-container    { margin-bottom: -1px; }
.leaflet-popup-left .leaflet-popup-tip-container   { margin-right: -1px; }
.leaflet-popup-right .leaflet-popup-tip-container  { margin-left: -1px; }

.leaflet-popup-close-button {
  color: var(--text-dim) !important;
  font-size: 18px;
  padding: 7px;
  transition: color .18s;
}

.leaflet-popup-close-button:hover {
  color: var(--cyan) !important;
}

/* ────────────────────────────────────────────────
   标记点
   ──────────────────────────────────────────────── */
.leaflet-marker-icon {
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
  transition: filter .2s;
}

.leaflet-marker-icon:hover {
  filter: drop-shadow(0 0 8px rgba(56,200,232,0.7));
}

/* ────────────────────────────────────────────────
   dat.GUI 样式覆盖
   ──────────────────────────────────────────────── */
.dg.ac {
  z-index: 1000 !important;
}

.dg.main {
  width: 340px !important;
}

.dg .property-name {
  width: 42% !important;
}

.dg .cr.number input[type=text] {
  width: 22% !important;
}

.dg .cr select {
  width: 56% !important;
}

.dg ul {
  max-height: calc(100vh - 80px) !important;
  overflow-y: auto !important;
}

/* ────────────────────────────────────────────────
   Leaflet 控件间距
   ──────────────────────────────────────────────── */
.leaflet-control {
  margin: 8px !important;
}

.leaflet-top .leaflet-control    { margin-top: 8px !important; }
.leaflet-bottom .leaflet-control { margin-bottom: 8px !important; }
.leaflet-left .leaflet-control   { margin-left: 8px !important; }
.leaflet-right .leaflet-control  { margin-right: 8px !important; }

.leaflet-top .leaflet-control.leaflet-control-colorBar {
  margin-top: 0 !important;
}

.leaflet-top.leaflet-right .leaflet-control:not(.leaflet-control-colorBar) {
  margin-top: 8px;
}

/* ────────────────────────────────────────────────
   授权验证覆盖层
   ──────────────────────────────────────────────── */
/* ────────────────────────────────────────────────
   响应式
   ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .custom-control,
  .layer-switch-control,
  .year-control         { min-width: 150px; }
  .title                { font-size: 12px; padding: 8px 11px; }
  .value-display,
  .zoom-latlng-display  { font-size: 10px; padding: 7px 9px; max-width: 200px; }
  .layer-group-control  { min-width: 155px; }
  .layer-group-header   { padding: 9px 12px; }
  .layer-group-item     { padding: 8px 12px; font-size: 11px; }
  .layer-group-list     { max-height: 280px; }
}