* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition), color var(--transition);
}

[data-theme="glass"] body {
  background: radial-gradient(1200px 600px at 80% -10%, rgba(217, 70, 239, 0.18), transparent 60%),
              radial-gradient(900px 500px at -10% 110%, rgba(88, 166, 255, 0.12), transparent 55%),
              #1a1025;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  background: var(--act-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.9em;
  font-family: var(--font-mono);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(48, 54, 61, 0.6); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(217, 70, 239, 0.4); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(208, 215, 222, 0.9); }

/* ===== Topbar ===== */
.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 18px;
  position: sticky;
  top: 0;
  z-index: 1000;
  flex-wrap: wrap;
  transition: background var(--transition), border-color var(--transition);
}

[data-theme="glass"] .topbar {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.brand .logo { width: 28px; height: 28px; border-radius: 6px; flex-shrink: 0; }
.brand-text h1 { margin: 0; font-size: 14px; font-weight: 600; letter-spacing: 0; }
.brand-text p { margin: 0; font-size: 11px; color: var(--text-dim); }

/* ===== Theme Selector ===== */
.theme-selector { display: flex; gap: 4px; margin-left: auto; }

.theme-selector-btn {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  padding: 0;
}
.theme-selector-btn:hover { transform: scale(1.1); border-color: var(--text-dim); }
.theme-selector-btn.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(217, 70, 239, 0.3); }
.theme-selector-btn[data-theme="light"] { background: #ffffff; }
.theme-selector-btn[data-theme="dark"] { background: #0d1117; }
.theme-selector-btn[data-theme="glass"] { background: linear-gradient(135deg, #0d1117 40%, #d946ef 60%, #0d1117 100%); }

/* ===== Buttons ===== */
.btn {
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  color: var(--btn-tx);
  background: var(--btn-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.btn:hover { background: var(--btn-hover); border-color: var(--text-dim); color: var(--text); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-sm { padding: 3px 9px; font-size: 11px; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.topbar-actions .btn-group .btn:first-child { border-color: var(--accent); color: var(--accent); }

/* ===== Landing ===== */
.landing {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 40px 20px;
  min-height: calc(100vh - 52px);
}

.dropzone {
  width: min(760px, 92vw);
  text-align: center;
  padding: 52px 32px;
  border: 2px dashed var(--border);
  border-radius: 16px;
  background: var(--card-bg);
  cursor: pointer;
  transition: all var(--transition);
}
.dropzone:hover, .dropzone:focus { border-color: var(--accent); background: rgba(217, 70, 239, 0.05); outline: none; }
.dropzone.dragover { border-color: var(--accent); background: rgba(217, 70, 239, 0.08); transform: scale(1.01); box-shadow: 0 0 30px rgba(217, 70, 239, 0.15); }
.dz-icon { width: 52px; height: 52px; color: var(--accent); margin-bottom: 6px; }
.dropzone h2 { margin: 8px 0 6px; font-size: 18px; font-weight: 600; }
.dropzone p { margin: 4px 0; color: var(--text-dim); font-size: 13px; }
.dropzone .link { color: var(--accent); font-weight: 600; text-decoration: underline; }
.dropzone .dz-hint { margin-top: 16px; font-size: 11px; color: var(--text-dim); opacity: 0.85; }

.landing-foot {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  width: min(900px, 94vw);
}
.feature {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 12px;
  color: var(--text-dim);
  transition: all var(--transition);
}
.feature:hover { border-color: var(--accent); }
.feature b { color: var(--accent); font-weight: 600; }

/* ===== Workbench ===== */
.workbench { flex: 1; padding: 18px 20px 40px; max-width: 1500px; width: 100%; margin: 0 auto; }

/* ===== File Bar ===== */
.filebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}
.file-info { display: flex; align-items: center; gap: 12px; min-width: 0; }
.file-icon { width: 26px; height: 26px; color: var(--accent); flex-shrink: 0; }
.file-name { font-weight: 600; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-meta { font-size: 11px; color: var(--text-dim); }
.file-status { font-size: 12px; font-weight: 600; color: var(--success); white-space: nowrap; }
.file-status.warn { color: var(--warning); }
.file-status.bad { color: var(--error); }

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 2px;
  background: rgba(217, 70, 239, 0.06);
  border: 1px solid var(--accent);
  padding: 3px;
  border-radius: 20px;
  margin: 16px 0 0;
  width: fit-content;
}
.tab {
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  background: transparent;
  border: none;
  border-radius: 18px;
  padding: 7px 18px;
  cursor: pointer;
  transition: all var(--transition);
}
.tab:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.tab.active { background: var(--accent); color: #fff; }

.tab-body { padding: 18px 2px; }

/* ===== Summary Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.card {
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.card:hover { border-color: var(--accent); }
.card .k { font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-dim); font-weight: 600; }
.card .v { font-size: 17px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; color: var(--text); }
.card .u { font-size: 11px; color: var(--text-dim); font-weight: 500; margin-left: 3px; }

/* ===== Panels ===== */
.panel {
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
}
.panel > h3 {
  margin: 0;
  padding: 11px 14px;
  font-size: 12px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel > h3::before { content: ''; width: 3px; height: 12px; border-radius: 2px; background: var(--accent); flex-shrink: 0; }
.panel-body { padding: 12px 14px; overflow-x: auto; }
.panel-body p { margin: 0; color: var(--text-dim); font-size: 12px; }

.kv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px 22px; }
.kv-grid .kv { font-size: 12px; display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--border); padding: 3px 0; }
.kv-grid .kv .kk { color: var(--text-dim); }
.kv-grid .kv .vv { font-weight: 600; text-align: right; word-break: break-all; font-variant-numeric: tabular-nums; }

/* ===== Data Tables ===== */
.tables-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.tables-count { font-size: 11px; color: var(--text-dim); margin-left: auto; }

.mtable { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; background: var(--card-solid); box-shadow: var(--shadow-sm); overflow: hidden; }
.mtable-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  cursor: pointer;
  user-select: none;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.mtable-head:hover { background: rgba(217, 70, 239, 0.05); }
.mtable-head .mt-title { font-weight: 600; font-size: 13px; display: flex; align-items: baseline; gap: 8px; }
.mtable-head .mt-count { font-size: 11px; color: var(--text-dim); font-weight: 500; }
.mtable-head .mt-toggle { color: var(--text-dim); font-size: 11px; }
.mtable-head .mt-actions { display: flex; align-items: center; gap: 8px; }

.mtable-body { display: none; overflow: auto; max-height: 420px; }
.mtable.open .mtable-body { display: block; }

table.grid { border-collapse: collapse; width: 100%; font-size: 12px; }
table.grid th, table.grid td {
  border: 1px solid var(--border);
  padding: 5px 9px;
  text-align: left;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
table.grid thead th {
  background: var(--act-bg);
  position: sticky;
  top: 0;
  z-index: 1;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
}
table.grid thead th.sorted-asc::after { content: " \25B4"; color: var(--accent); }
table.grid thead th.sorted-desc::after { content: " \25BE"; color: var(--accent); }
table.grid tbody tr:nth-child(even) { background: rgba(255, 255, 255, 0.02); }
table.grid tbody tr:hover { background: rgba(217, 70, 239, 0.06); }

/* ===== Charts ===== */
.charts-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.charts-toolbar label { font-size: 12px; font-weight: 600; display: flex; align-items: center; gap: 8px; color: var(--text-dim); }
.chart-hint, .map-hint { font-size: 11px; color: var(--text-dim); margin-left: auto; }

.chart-wrap {
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

/* ===== Selects ===== */
.styled-select {
  font: inherit;
  font-size: 12px;
  padding: 6px 10px;
  border: 1px solid var(--inp-bd);
  border-radius: 6px;
  background: var(--inp-bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: all var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}
.styled-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(217, 70, 239, 0.18); }
.styled-select option { background: var(--bg); color: var(--text); }

/* ===== Map ===== */
.map-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.map-toolbar label { font-size: 12px; font-weight: 600; color: var(--text-dim); display: flex; align-items: center; gap: 8px; }
.map-wrap {
  height: 62vh;
  min-height: 380px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  z-index: 0;
  background: var(--bg);
  overflow: hidden;
}
.leaflet-container { font-family: inherit; }

[data-theme="dark"] .leaflet-control-attribution,
[data-theme="glass"] .leaflet-control-attribution {
  background: var(--card-solid) !important;
  padding: 4px 8px !important;
  font-size: 11px;
  border-radius: 6px !important;
  border: 1px solid var(--border) !important;
  color: var(--text-dim) !important;
}
[data-theme="dark"] .leaflet-control-attribution a,
[data-theme="glass"] .leaflet-control-attribution a { color: var(--link) !important; }

.leaflet-control-zoom { border: none !important; box-shadow: var(--shadow-md) !important; border-radius: 8px !important; overflow: hidden; }
.leaflet-control-zoom a {
  width: 34px !important;
  height: 34px !important;
  line-height: 34px !important;
  font-size: 15px !important;
  color: var(--text) !important;
  background: var(--card-solid) !important;
  border-bottom: 1px solid var(--border) !important;
  transition: all var(--transition);
}
.leaflet-control-zoom a:hover { background: var(--hover) !important; }

.leaflet-popup-content-wrapper {
  background: var(--card-solid) !important;
  border-radius: 8px !important;
  box-shadow: var(--shadow-lg) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
}
.leaflet-popup-tip { background: var(--card-solid) !important; }
.leaflet-popup-content { font-size: 12px; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  background: var(--panel);
  padding: 12px 20px;
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
}
.footer p { margin: 0; }

/* ===== Errors ===== */
.err-item {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--error);
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.err-item:last-child { border-bottom: none; }
.err-item .err-idx { color: var(--text-dim); flex-shrink: 0; }

/* ===== Toasts ===== */
.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: var(--panel);
  color: var(--text);
  font-size: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  max-width: 420px;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ===== Support modal ===== */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 3000;
}
.overlay[hidden] { display: none !important; }
body.modal-open { overflow: hidden; }

.support-modal {
  width: min(380px, 94vw);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
}
.support-modal h3 { margin: 0; font-size: 15px; font-weight: 600; }
.support-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.support-close {
  font-size: 20px;
  line-height: 1;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}
.support-close:hover { color: var(--text); background: var(--btn-hover); }
.support-body { padding: 16px; }
.support-tip { margin: 0 0 14px; font-size: 12px; color: var(--text-dim); line-height: 1.6; }
.support-img-wrap { text-align: center; margin-bottom: 16px; }
.support-img {
  width: min(220px, 70vw);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.support-actions { display: flex; flex-direction: column; gap: 8px; }
.support-actions .btn { font-size: 13px; padding: 9px 14px; border-radius: 24px; }
.support-open { border-color: var(--accent); background: var(--accent); color: #fff; }
.support-open:hover { border-color: var(--accent-hover); background: var(--accent-hover); color: #fff; }
.support-home { color: var(--accent); border-color: var(--accent); }
.support-home:hover { color: #fff; border-color: var(--accent); background: var(--accent); }

/* 毛玻璃面板：遮罩始终为暗底，固定浅色文字 */
.support-modal h3 { color: #c9d1d9; }
.support-modal .support-tip { color: #8b949e; }
.support-close { color: #8b949e; }
.support-close:hover { color: #c9d1d9; background: rgba(255, 255, 255, 0.08); }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .topbar-actions { width: 100%; }
  .theme-selector { margin-left: 0; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .map-wrap { height: 48vh; }
  .tabs { width: 100%; }
  .tab { flex: 1; }
}