/* 浅地表探测智能支持系统 · 快速成像工作台样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1f5c8b;
  --primary-dark: #16445f;
  --accent: #2e8b6e;
  --bg: #f4f7fa;
  --panel-bg: #ffffff;
  --border: #dce4ec;
  --text: #22303f;
  --muted: #6b7a8c;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

/* 顶栏 */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 12px 20px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; letter-spacing: 1px;
  border: 1px solid rgba(255,255,255,.35);
}
.brand-name { font-size: 16px; font-weight: 700; }
.brand-sub { font-size: 12px; opacity: .85; }
.top-status { font-size: 12px; background: rgba(255,255,255,.12); padding: 4px 12px; border-radius: 20px; }

/* 布局：整页撑满视口 */
.layout {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  width: 100%;
  min-height: calc(100vh - 68px);
  align-items: stretch;
}

/* 参数面板 */
.panel {
  width: 320px;
  flex-shrink: 0;
  align-self: flex-start;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  position: sticky;
  top: 76px;
  max-height: calc(100vh - 96px);
  overflow: auto;
}
.panel-title { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.panel details {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  padding: 8px 10px;
  background: #fbfdfe;
}
.panel summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--primary);
  user-select: none;
}
.field { margin: 8px 0 4px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.field input[type="number"], .field input[type="text"] {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
}
.field.checkbox label { display: flex; align-items: center; gap: 6px; color: var(--text); font-size: 13px; }
.mini-btn {
  margin-top: 6px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
}
.mini-btn:hover { background: #f0f4f8; }

/* 工作区：纵向占满 */
.workspace {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.upload-area {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 26px 20px;
  text-align: center;
  background: var(--panel-bg);
  transition: border-color .2s, background .2s;
  cursor: pointer;
}
.upload-area.dragover { border-color: var(--primary); background: #eef5fb; }
.upload-icon { font-size: 26px; color: var(--primary); }
.upload-text { margin-top: 6px; font-size: 14px; }
.link { color: var(--primary); text-decoration: underline; cursor: pointer; }
.upload-fmt { margin-top: 6px; font-size: 12px; color: var(--muted); }
.file-info {
  font-size: 13px;
  color: var(--primary);
  background: #eef5fb;
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 8px;
  display: inline-block;
}

.action-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.primary-btn, .ghost-btn {
  padding: 9px 22px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: opacity .15s;
}
.primary-btn {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.primary-btn:hover { background: var(--primary-dark); }
.primary-btn:disabled, .ghost-btn:disabled { opacity: .4; cursor: not-allowed; }
.ghost-btn {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}
.ghost-btn:hover:not(:disabled) { background: #f0f4f8; }

.status-line { font-size: 13px; color: var(--muted); min-height: 20px; margin-bottom: 8px; }
.status-line.err { color: #c0392b; }

/* 标签页 */
.tabs { display: flex; gap: 8px; margin-bottom: 10px; }
.tab-btn {
  padding: 7px 18px;
  border: 1px solid var(--border);
  border-radius: 8px 8px 0 0;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}
.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

.chart-box {
  flex: 1;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}
.chart-title { font-size: 14px; font-weight: 600; margin-bottom: 8px; }
#chartRaw, #chart { min-height: 320px; }
.meta-line { margin-top: 10px; font-size: 12px; color: var(--muted); }

/* 移动端 */
@media (max-width: 900px) {
  .layout { flex-direction: column; padding: 12px; min-height: 0; }
  .panel { width: 100%; position: static; max-height: none; }
  .chart-box { flex: none; }
  #chartRaw, #chart { height: 400px !important; flex: none !important; }
}

/* ===== 门户总览页 ===== */
.top-right { display: flex; align-items: center; gap: 12px; }
.back-link {
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  background: rgba(255,255,255,.12);
  padding: 5px 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.3);
  white-space: nowrap;
}
.back-link:hover { background: rgba(255,255,255,.25); }

.portal {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 20px 24px;
}
.portal-hero { text-align: center; margin-bottom: 34px; }
.portal-hero h1 { font-size: 26px; color: var(--primary-dark); margin-bottom: 10px; }
.portal-hero p { font-size: 15px; color: var(--muted); max-width: 640px; margin: 0 auto; }

.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.portal-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 22px;
  text-decoration: none;
  color: var(--text);
  transition: box-shadow .2s, transform .15s, border-color .2s;
  position: relative;
}
.portal-card:hover {
  box-shadow: 0 8px 24px rgba(31,92,139,.14);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.card-badge {
  position: absolute;
  top: 14px; right: 16px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(31,92,139,.35);
}
.portal-card h2 { font-size: 18px; color: var(--primary); }
.portal-card p { font-size: 13.5px; color: var(--muted); flex: 1; }
.card-more { font-size: 13px; color: var(--primary); font-weight: 600; }

.portal-foot {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 22px 16px;
}

/* ===== 下载页 ===== */
.downloads {
  max-width: 1000px;
  margin: 0 auto;
  padding: 30px 20px 24px;
}
.downloads h1 { font-size: 22px; color: var(--primary-dark); margin-bottom: 8px; }
.page-desc { font-size: 14px; color: var(--muted); margin-bottom: 18px; max-width: 720px; }
.dl-note {
  font-size: 12.5px;
  color: #a06a00;
  background: #fff7e6;
  border: 1px solid #f2d49a;
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 16px;
}
.dl-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-size: 13.5px;
}
.dl-table th {
  background: #eef4fa;
  color: var(--primary-dark);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.dl-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.dl-table tr:last-child td { border-bottom: none; }
.dl-btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 5px 16px;
  border-radius: 6px;
  font-size: 12.5px;
  text-decoration: none;
  white-space: nowrap;
}
.dl-btn:hover { background: var(--primary-dark); }
.dl-help {
  margin-top: 22px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 13.5px;
  color: var(--text);
}
.dl-help h3 { font-size: 14.5px; color: var(--primary); margin-bottom: 8px; }
.contact-line { margin-top: 8px; font-weight: 600; color: var(--primary-dark); }