/* GlobalPower AI — 全局样式
   高维智能体：名山（市场总监）+ 一坤（技术总监） */

:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #0f3460;
    --gold: #e8b830;
    --success: #4ecdc4;
    --danger: #ff6b6b;
    --warning: #f9ca24;
    --purple: #6c5ce7;
    --bg: #0f0f23;
    --card: #1a1a2e;
    --text: #e0e0e0;
    --text-dim: #8892a4;
    --border: #2a2a4a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 
                 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

/* ====== 顶部导航栏 ====== */
.header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 1px;
}

.logo span {
    font-size: 12px;
    color: var(--text-dim);
    font-weight: 400;
    margin-left: 8px;
}

.nav {
    display: flex;
    gap: 4px;
}

.nav a {
    color: var(--text-dim);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
}

.nav a:hover, .nav a.active {
    color: var(--gold);
    background: rgba(232, 184, 48, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dim);
    font-size: 13px;
}

.user-info button {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.user-info button:hover { color: var(--danger); border-color: var(--danger); }

/* ====== 主内容区 ====== */
.main {
    padding: 24px;
    max-width: 1440px;
    margin: 0 auto;
}

/* ====== 页面标题 ====== */
.page-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #fff;
}

.page-subtitle {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 24px;
}

/* ====== 卡片 ====== */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title .badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

/* ====== 网格布局 ====== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 20px; }

/* ====== 排名表格 ====== */
.ranking-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.ranking-table th {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.ranking-table th:hover { color: var(--gold); }

.ranking-table td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(42, 42, 74, 0.5);
}

.ranking-table tr:hover { background: rgba(255,255,255,0.03); }

.rank-number {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 12px;
}

.rank-1 { background: #e8b830; color: #000; }
.rank-2 { background: #c0c0c0; color: #000; }
.rank-3 { background: #cd7f32; color: #000; }
.rank-top10 { background: rgba(232,184,48,0.2); color: var(--gold); }
.rank-other { background: rgba(255,255,255,0.05); color: var(--text-dim); }

.country-name {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--border);
    overflow: hidden;
    width: 100px;
    display: inline-block;
    vertical-align: middle;
}

.score-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* ====== 控制面板 ====== */
.control-panel {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.control-panel select, .control-panel input {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    outline: none;
}

.control-panel select:focus, .control-panel input:focus {
    border-color: var(--gold);
}

.btn {
    padding: 8px 20px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--gold);
    color: #000;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
}

.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* ====== 权重滑块 ====== */
.weight-slider {
    margin: 8px 0;
}

.weight-slider label {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 4px;
}

.weight-slider input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

.weight-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gold);
    cursor: pointer;
}

/* ====== 指标颜色 ====== */
.color-economic { color: #ff6b6b; }
.color-resource { color: #4ecdc4; }
.color-tech { color: #45b7d1; }
.color-financial { color: #f9ca24; }
.color-sustainable { color: #6c5ce7; }
.color-military { color: #e17055; }
.color-softpower { color: #00b894; }

.bg-economic { background: #ff6b6b; }
.bg-resource { background: #4ecdc4; }
.bg-tech { background: #45b7d1; }
.bg-financial { background: #f9ca24; }
.bg-sustainable { background: #6c5ce7; }

/* ====== Loading ====== */
.loading {
    text-align: center;
    padding: 60px;
    color: var(--text-dim);
}

.loading::after {
    content: '';
    display: block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 16px auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ====== 统计数字 ====== */
.stat {
    text-align: center;
    padding: 16px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gold);
}

.stat-label {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ====== 自适应 ====== */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .header { flex-wrap: wrap; height: auto; padding: 12px; }
    .nav { flex-wrap: wrap; }
    .main { padding: 12px; }
}

/* ====== 滚动条 ====== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ====== 数据展板 ====== */
.data-grid { overflow-x: auto; }
.data-grid table { font-size: 12px; min-width: 100%; }
.data-grid td, .data-grid th { padding: 6px 8px; white-space: nowrap; }
.data-grid .source-cell {
    cursor: pointer;
    color: var(--text-dim);
    border-bottom: 1px dotted var(--border);
}
.data-grid .source-cell:hover { color: var(--gold); }

.conf-high { color: #4ecdc4; }
.conf-medium { color: #f9ca24; }
.conf-low { color: #ff6b6b; }

/* ====== 工具类 ====== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }