/**
 * DeepScore 统一设计系统 v3.1
 * 专业深青+深蓝配色 · 细腻微交互 · 精确设计令牌
 */

:root {
  /* ========== 品牌主色（深青色） ========== */
  --primary: #102A43;
  --primary-light: #1E3A5F;
  --primary-dark: #0A1F33;
  --primary-darker: #071826;
  --primary-bg: rgba(16, 42, 67, 0.08);
  --primary-bg-light: rgba(16, 42, 67, 0.04);
  --primary-border: rgba(16, 42, 67, 0.25);
  --primary-glow: rgba(16, 42, 67, 0.2);

  /* 主色别名（页面中使用 --accent 作为主色） */
  --accent: var(--primary);
  --accent-light: var(--primary-light);
  --accent-dark: var(--primary-dark);
  --accent-bg: var(--primary-bg);

  /* ========== 辅助色（深蓝色） ========== */
  --secondary: #1e3a8a;
  --secondary-light: #3b82f6;
  --secondary-dark: #1e40af;
  --secondary-bg: rgba(30, 58, 138, 0.08);

  /* ========== 语义色 ========== */
  --success: #059669;
  --success-light: #10b981;
  --success-dark: #047857;
  --success-bg: rgba(5, 150, 105, 0.08);
  --success-border: rgba(5, 150, 105, 0.25);

  --warning: #d97706;
  --warning-light: #f59e0b;
  --warning-dark: #b45309;
  --warning-bg: rgba(217, 119, 6, 0.08);
  --warning-border: rgba(217, 119, 6, 0.25);

  --danger: #dc2626;
  --danger-light: #ef4444;
  --danger-dark: #b91c1c;
  --danger-bg: rgba(220, 38, 38, 0.08);
  --danger-border: rgba(220, 38, 38, 0.25);

  --info: #2563eb;
  --info-light: #3b82f6;
  --info-dark: #1d4ed8;
  --info-bg: rgba(37, 99, 235, 0.08);

  /* ========== 中性色（浅色主题 - 纯白背景） ========== */
  --bg: #ffffff;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f8fafc;
  --bg-hover: #f1f5f9;
  --bg-active: #e2e8f0;
  --bg-elevated: #ffffff;

  /* 变量别名（兼容页面中的旧变量名） */
  --bg-primary: var(--bg);
  --bg-card: var(--bg-secondary);
  --bg-input: var(--bg-tertiary);

  --border: rgba(15, 23, 42, 0.08);
  --border-light: rgba(15, 23, 42, 0.1);
  --border-lighter: rgba(15, 23, 42, 0.12);
  --border-hover: rgba(15, 23, 42, 0.15);
  --border-color: var(--border);

  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-disabled: #94a3b8;
  --text-inverse: #f8fafc;
  --text-primary: var(--text);

  /* ========== 渐变 ========== */
  --gradient: linear-gradient(135deg, #102A43 0%, #0A1F33 100%);
  --gradient-hover: linear-gradient(135deg, #1E3A5F 0%, #102A43 100%);
  --gradient-secondary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-text: linear-gradient(135deg, #0f172a 0%, #102A43 100%);
  --gradient-bg: radial-gradient(ellipse at 50% 0%, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
  --gradient-card: linear-gradient(145deg, rgba(8,145,178,0.03) 0%, rgba(8,145,178,0.01) 100%);

  /* ========== 阴影 ========== */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05), 0 1px 0 rgba(255,255,255,0.8) inset;
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 1px 0 rgba(255,255,255,0.9) inset;
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15,23,42,0.04), 0 1px 0 rgba(255,255,255,0.95) inset;
  --shadow-xl: 0 16px 48px rgba(15, 23, 42, 0.1), 0 4px 8px rgba(15,23,42,0.06), 0 1px 0 rgba(255,255,255,1) inset;
  --shadow-primary: 0 2px 8px rgba(16, 42, 67, 0.2);
  --shadow-primary-lg: 0 4px 16px rgba(8, 145, 178, 0.28);
  --shadow-glow: 0 0 12px rgba(8, 145, 178, 0.12);

  /* ========== 圆角 ========== */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-3xl: 20px;
  --radius-full: 9999px;

  /* ========== 间距（4px基准） ========== */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* ========== 字体 ========== */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Courier New', monospace;

  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 13.5px;
  --font-size-md: 14px;
  --font-size-lg: 15px;
  --font-size-xl: 16px;
  --font-size-2xl: 18px;
  --font-size-3xl: 20px;
  --font-size-4xl: 24px;
  --font-size-5xl: 28px;
  --font-size-6xl: 32px;
  --font-size-7xl: 40px;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;
  --line-height-loose: 1.8;

  --letter-spacing-tight: -0.01em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.02em;
  --letter-spacing-wider: 0.05em;

  /* ========== 动画 ========== */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --transition-fast: 0.15s var(--ease-in-out);
  --transition-normal: 0.2s var(--ease-in-out);
  --transition-slow: 0.3s var(--ease-out);
  --transition-slower: 0.5s var(--ease-out);

  --animate-fade-in: fadeIn 0.3s var(--ease-out);
  --animate-slide-up: slideUp 0.4s var(--ease-out);
  --animate-slide-down: slideDown 0.4s var(--ease-out);
  --animate-scale-in: scaleIn 0.3s var(--ease-out);
  --animate-pulse: pulse 2s var(--ease-in-out) infinite;
  --animate-spin: spin 1s linear infinite;

  /* ========== 布局 ========== */
  --sidebar-width: 256px;
  --sidebar-width-collapsed: 64px;
  --topbar-height: 56px;
  --content-max-width: 1400px;
  --container-padding: 28px;

  /* ========== Z-index ========== */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-toast: 700;
  --z-tooltip: 800;

  /* ========== 玻璃拟态（浅色） ========== */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-bg-strong: rgba(255, 255, 255, 0.92);
  --glass-blur: blur(20px) saturate(180%);
  --glass-border: 1px solid rgba(15, 23, 42, 0.08);

  /* ========== 图表配色 ========== */
  --chart-1: #102A43;
  --chart-2: #1e3a8a;
  --chart-3: #f59e0b;
  --chart-4: #059669;
  --chart-5: #dc2626;
  --chart-6: #7c3aed;
  --chart-7: #1E3A5F;
  --chart-8: #db2777;
}

/* ========== 深色主题（可选） ========== */
[data-theme="dark"] {
  --bg: #0b0d12;
  --bg-secondary: #11141b;
  --bg-tertiary: #161a23;
  --bg-hover: #1c2130;
  --bg-active: #232938;
  --bg-elevated: #141821;

  --bg-primary: var(--bg);
  --bg-card: var(--bg-secondary);
  --bg-input: var(--bg-tertiary);

  --border: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-lighter: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-color: var(--border);

  --text: #e8ecf1;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-disabled: #4b5563;
  --text-inverse: #0b0d12;
  --text-primary: var(--text);

  --primary: #1E3A5F;
  --primary-light: #22d3ee;
  --primary-dark: #102A43;
  --primary-bg: rgba(6, 182, 212, 0.1);
  --primary-border: rgba(6, 182, 212, 0.3);

  --accent: var(--primary);
  --accent-light: var(--primary-light);
  --accent-dark: var(--primary-dark);
  --accent-bg: var(--primary-bg);

  --gradient-bg: radial-gradient(ellipse at 50% 0%, #111827 0%, #0b0d12 60%);
  --gradient-card: linear-gradient(145deg, rgba(6,182,212,0.03) 0%, rgba(6,182,212,0.01) 100%);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.25), 0 1px 0 rgba(255,255,255,0.03) inset;
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255,255,255,0.04) inset;
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0,0,0,0.2), 0 1px 0 rgba(255,255,255,0.05) inset;
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0,0,0,0.25), 0 1px 0 rgba(255,255,255,0.06) inset;
  --shadow-primary: 0 2px 8px rgba(6, 182, 212, 0.25);
  --shadow-primary-lg: 0 4px 16px rgba(6, 182, 212, 0.35);
  --shadow-glow: 0 0 12px rgba(6, 182, 212, 0.15);

  --glass-bg: rgba(17, 20, 27, 0.75);
  --glass-bg-strong: rgba(17, 20, 27, 0.85);
  --glass-border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ========== 主题切换过渡 ========== */
* {
  transition: background-color 0.25s var(--ease-in-out),
              border-color 0.25s var(--ease-in-out),
              color 0.25s var(--ease-in-out),
              box-shadow 0.25s var(--ease-in-out);
}

/* ========== 主题切换按钮 ========== */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s var(--ease-in-out);
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-hover);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* ========== 通用动画关键帧 ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}