/* 多因子选股系统 — Web 界面样式 */

:root {
  --primary: #4f46e5;
  --primary-light: #e0e7ff;
  --success: #16a34a;
  --success-light: #dcfce7;
  --error: #dc2626;
  --error-light: #fee2e2;
  --warn: #d97706;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.5;
}

/* 头部 */
.app-header {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: white;
  padding: 24px 32px;
}
.app-header h1 { font-size: 24px; font-weight: 700; }
.app-header .subtitle { opacity: 0.85; margin-top: 4px; font-size: 14px; }

/* 布局 */
.container {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  padding: 20px 24px;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .container { grid-template-columns: 1fr; }
}

/* 面板 */
.panel { display: flex; flex-direction: column; gap: 16px; }
.right-panel { gap: 16px; }

/* 卡片 */
.card {
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h2 {
  font-size: 16px;
  color: var(--gray-700);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-200);
}
.card h3 { font-size: 14px; color: var(--gray-500); margin-bottom: 8px; }

/* 滑块 */
.slider-group { margin-bottom: 12px; }
.slider-group label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--gray-700);
  margin-bottom: 4px;
}
.slider-group label span { font-weight: 600; color: var(--primary); }
input[type="range"] {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  background: var(--gray-200);
  border-radius: 3px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

.weight-total {
  font-size: 13px;
  color: var(--gray-500);
  text-align: center;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--gray-200);
}
.weight-total span:first-child { font-weight: 600; color: var(--gray-700); }
.warn { color: var(--warn); font-weight: 600; }
.hidden { display: none; }

/* 表单 */
.form-group { margin-bottom: 12px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 4px;
}
.form-group input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.2s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* 按钮 */
.action-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  flex: 1;
  min-width: 120px;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover:not(:disabled) { background: #4338ca; }
.btn-secondary { background: #059669; color: white; }
.btn-secondary:hover:not(:disabled) { background: #047857; }
.btn-outline { background: white; color: var(--gray-700); border-color: var(--gray-200); }
.btn-outline:hover:not(:disabled) { background: var(--gray-50); border-color: var(--gray-300); }

/* 日志 */
.log-card { max-height: 200px; }
.log-area { max-height: 150px; overflow-y: auto; font-size: 12px; font-family: monospace; }
.log-info { color: var(--gray-700); }
.log-success { color: var(--success); }
.log-error { color: var(--error); }
.log-muted { color: var(--gray-300); }

/* 表格 */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  background: var(--gray-100);
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-500);
  font-size: 12px;
  text-transform: uppercase;
  position: sticky; top: 0;
}
td { padding: 8px 12px; border-bottom: 1px solid var(--gray-100); }
tr:hover td { background: var(--gray-50); }
.code { font-weight: 600; color: var(--primary); }

/* 绩效指标 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}
.metric-item {
  background: var(--gray-50);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
}
.metric-label { display: block; font-size: 12px; color: var(--gray-500); margin-bottom: 4px; }
.metric-value { display: block; font-size: 20px; font-weight: 700; color: var(--gray-900); }

/* Canvas 图表 — 已替换为 ECharts */

/* 行业分布柱状图 */
.industry-bars { display: flex; flex-direction: column; gap: 6px; }
.bar-row { display: grid; grid-template-columns: 60px 1fr 30px; gap: 8px; align-items: center; }
.bar-label { font-size: 12px; color: var(--gray-700); text-align: right; }
.bar-track { height: 20px; background: var(--gray-100); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), #818cf8); border-radius: 4px; transition: width 0.5s; }
.bar-value { font-size: 12px; font-weight: 600; color: var(--gray-700); }

/* 排名徽章 */
.rank-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  font-weight: 700; font-size: 13px;
}
.rank-1 { background: linear-gradient(135deg, #ffd700, #ffec8b); color: #1a1a2e; }
.rank-2 { background: linear-gradient(135deg, #c0c0c0, #e8e8e8); color: #1a1a2e; }
.rank-3 { background: linear-gradient(135deg, #cd7f32, #daa06d); color: #1a1a2e; }
.rank-other { background: var(--gray-100); color: var(--gray-500); }

/* 评分徽章 */
.score-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-weight: 600; font-size: 13px;
}
.score-high { background: #dcfce7; color: #16a34a; }
.score-mid { background: #fef9c3; color: #ca8a04; }
.score-low { background: #fee2e2; color: #dc2626; }

/* 统计行 */
.stats-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px;
}
.stat-item {
  background: var(--gray-50); border-radius: 6px; padding: 12px; text-align: center;
}
.stat-value { display: block; font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.stat-label { display: block; font-size: 12px; color: var(--gray-500); margin-top: 4px; }

/* Loading 遮罩 */
.loading-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5); display: flex; justify-content: center; align-items: center;
  z-index: 9999;
}
.loading-content { text-align: center; color: white; }
.spinner {
  width: 48px; height: 48px;
  border: 4px solid rgba(255,255,255,0.3);
  border-top-color: white; border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 16px; }

/* 表格横向滚动 */
.table-wrapper { overflow-x: auto; max-height: 500px; overflow-y: auto; }
table { min-width: 750px; }