/* ═══════════════════════════════════════════════════════════
   问缠 V3 · 深蓝金融科技 + 玻璃态
   辅助页面共享样式表（非图表 SPA 页面使用）
   配色与 chanlun-chart-v3.html 内联 style 一致
   ═══════════════════════════════════════════════════════════ */
:root {
  --bg-deep: #0F1A2E;
  --bg-card: rgba(20, 35, 60, 0.75);
  --bg-card-hover: rgba(30, 50, 80, 0.85);
  --bg-elevated: rgba(25, 42, 70, 0.88);
  --border-glass: 1px solid rgba(135, 216, 255, 0.12);
  --border-glass-hover: 1px solid rgba(135, 216, 255, 0.35);
  --border-glass-active: 1px solid rgba(135, 216, 255, 0.6);
  --accent: #87D8FF;
  --accent-dim: rgba(135, 216, 255, 0.15);
  --accent-glow: 0 0 12px rgba(135, 216, 255, 0.15);
  --up: #FF7A7A;
  --up-dim: rgba(255, 122, 122, 0.15);
  --down: #46E0C8;
  --down-dim: rgba(70, 224, 200, 0.15);
  --text-primary: #FFFFFF;
  --text-secondary: #B8D0E8;
  --text-tertiary: #7A96B9;
  --text-muted: rgba(122, 150, 185, 0.5);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 14px;
  --space-lg: 20px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
  --transition-fast: all 0.15s ease;
  --transition-normal: all 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(135, 216, 255, 0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(135, 216, 255, 0.3); }

html { height: 100%; }
body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-y: auto;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition-fast); }
a:hover { text-decoration: underline; }

/* ═══ 页面容器 ═══ */
.v3-page { display: flex; flex-direction: column; min-height: 100vh; }
.v3-content { flex: 1; max-width: 1100px; margin: 0 auto; padding: 24px 20px 40px; width: 100%; }

.v3-content h2 { font-size: 20px; color: var(--text-primary); font-weight: 700; margin: 24px 0 12px; }
.v3-content h3 { font-size: 16px; color: var(--text-primary); font-weight: 600; margin: 18px 0 8px; }
.v3-content h4 { font-size: 14px; color: var(--text-secondary); font-weight: 600; margin: 14px 0 6px; }
.v3-content p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin: 8px 0; }
.v3-content ul, .v3-content ol { font-size: 14px; color: var(--text-secondary); line-height: 1.7; padding-left: 20px; margin: 8px 0; }
.v3-content li { margin: 4px 0; }
.v3-content hr { border: none; border-top: var(--border-glass); margin: 28px 0; }

/* ═══ 顶栏 ═══ */
.v3-topbar {
  display: flex; align-items: center; gap: var(--space-md);
  padding: 0 var(--space-lg); height: 52px;
  background: rgba(15, 26, 46, 0.95);
  border-bottom: var(--border-glass);
  flex-shrink: 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
}

.v3-brand { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; color: var(--text-primary); letter-spacing: 1px; flex-shrink: 0; }
.v3-brand .brand-logo-img { height: 28px; }
.v3-brand .brand-em { font-style: normal; font-weight: 900; color: var(--accent); }

.v3-nav { display: flex; gap: 4px; margin-left: 20px; }
.v3-nav a {
  padding: 6px 14px; border-radius: var(--radius-sm);
  color: var(--text-tertiary); text-decoration: none;
  font-size: 12px; transition: var(--transition-fast);
}
.v3-nav a:hover, .v3-nav a.active { color: var(--accent); background: var(--accent-dim); text-decoration: none; }

.v3-topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.v3-topbar-actions .username { font-size: 12px; color: var(--text-tertiary); }
.v3-topbar-actions a.v3-btn { color: var(--text-secondary); text-decoration: none; }

/* ═══ 按钮 ═══ */
.v3-btn {
  padding: 8px 18px; border-radius: var(--radius-sm);
  border: var(--border-glass); background: transparent;
  color: var(--text-secondary); cursor: pointer;
  font-size: 12px; font-family: var(--font-sans);
  transition: var(--transition-fast); text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.v3-btn:hover { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); box-shadow: var(--accent-glow); text-decoration: none; }
.v3-btn-primary {
  background: linear-gradient(135deg, rgba(135,216,255,0.15), rgba(74,158,255,0.15));
  border-color: rgba(135,216,255,0.3); color: var(--accent);
}
.v3-btn-primary:hover { background: linear-gradient(135deg, rgba(135,216,255,0.25), rgba(74,158,255,0.25)); }
.v3-btn-danger { color: var(--up); }
.v3-btn-danger:hover { border-color: var(--up); background: var(--up-dim); }
.v3-btn-sm { padding: 4px 12px; font-size: 11px; }
.v3-btn-block { width: 100%; justify-content: center; }

/* ═══ 玻璃卡片 ═══ */
.v3-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.v3-card-title { font-size: 13px; color: var(--text-tertiary); font-weight: 600; margin-bottom: 10px; }

/* ═══ 输入框 ═══ */
.v3-input {
  padding: 10px 14px; border-radius: var(--radius-sm);
  border: var(--border-glass);
  background: rgba(255,255,255,0.03);
  color: var(--text-primary); font-size: 14px;
  outline: none; transition: var(--transition-fast);
  font-family: var(--font-sans); width: 100%;
}
.v3-input:focus { border-color: var(--accent); background: rgba(255,255,255,0.05); box-shadow: var(--accent-glow); }
.v3-input::placeholder { color: var(--text-muted); }

.v3-label { display: block; font-size: 12px; color: var(--text-tertiary); margin-bottom: 6px; font-weight: 500; letter-spacing: 0.3px; }

/* ═══ 表格 ═══ */
.v3-table { width: 100%; border-collapse: collapse; background: var(--bg-card); border: var(--border-glass); border-radius: var(--radius-lg); overflow: hidden; font-size: 13px; }
.v3-table th { background: rgba(135,216,255,0.04); color: var(--text-tertiary); font-size: 11px; padding: 10px 12px; text-align: left; font-weight: 600; border-bottom: var(--border-glass); }
.v3-table td { padding: 10px 12px; border-top: 1px solid rgba(135,216,255,0.04); color: var(--text-secondary); }
.v3-table tr:hover td { background: rgba(135,216,255,0.03); }

/* ═══ 标签 ═══ */
.v3-badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 10px; font-weight: 600; }
.v3-badge.admin { background: var(--up-dim); color: var(--up); border: 1px solid rgba(255,122,122,0.2); }
.v3-badge.vip { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(135,216,255,0.25); }
.v3-badge.green { background: var(--down-dim); color: var(--down); border: 1px solid rgba(70,224,200,0.2); }

/* ═══ 弹窗 ═══ */
.v3-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.55); z-index: 1000; align-items: center; justify-content: center; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.v3-overlay.active { display: flex; }
.v3-modal { background: var(--bg-elevated); border: var(--border-glass); border-radius: var(--radius-xl); padding: 28px; max-width: 420px; width: 90%; box-shadow: 0 16px 48px rgba(0,0,0,0.4); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.v3-modal h2 { font-size: 18px; color: var(--text-primary); text-align: center; margin-bottom: 16px; }

/* ═══ 消息提示 ═══ */
.v3-msg { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 14px; display: none; line-height: 1.5; }
.v3-msg.error { display: block; background: rgba(255,122,122,0.08); color: var(--up); border: 1px solid rgba(255,122,122,0.2); }
.v3-msg.success { display: block; background: rgba(70,224,200,0.08); color: var(--down); border: 1px solid rgba(70,224,200,0.2); }

/* ═══ 统计卡片 ═══ */
.stats-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.stat-card { flex: 1; min-width: 72px; text-align: center; }
.stat-card .n { font-size: 22px; font-weight: 800; color: var(--text-primary); font-family: var(--font-mono); }
.stat-card .l { font-size: 10px; color: var(--text-tertiary); margin-top: 2px; }
.stat-card .n.green { color: var(--down); }
.stat-card .n.blue { color: var(--accent); }
.stat-card .n.yellow { color: #FFD93D; }
.stat-card .n.red { color: var(--up); }

/* ═══ 响应式 ═══ */
@media (max-width: 700px) {
  .v3-content { padding: 16px 12px 30px; }
  .v3-topbar { padding: 0 12px; gap: 8px; }
  .v3-brand { font-size: 14px; }
  .v3-nav a { padding: 6px 10px; font-size: 11px; }
}