/* Modern Design Tokens & Theme Variables */
:root {
  --bg-base: #08090d;
  --bg-surface: #0e111a;
  --bg-card: #131722;
  --bg-card-hover: #181e2c;
  --bg-input: #0a0d14;
  --bg-hover: #161b26;
  --bg-active: #1d2433;
  --glass-bg: rgba(14, 17, 26, 0.8);
  --glass-border: rgba(255, 255, 255, 0.08);

  --border: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-hover: rgba(255, 255, 255, 0.18);
  --border-focus: #10b981;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #08090d;

  --accent: #10b981;
  --accent-hover: #059669;
  --accent-light: #34d399;
  --accent-glow: rgba(16, 185, 129, 0.22);
  --accent-bg: rgba(16, 185, 129, 0.1);

  --danger: #ef4444;
  --danger-hover: #dc2626;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --success: #10b981;
  --info: #3b82f6;

  --nav-active-bg: rgba(16, 185, 129, 0.12);
  --nav-active-text: #ffffff;
  --nav-active-border: rgba(16, 185, 129, 0.35);

  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.06);
  --card-shadow-hover: 0 8px 30px -4px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(16, 185, 129, 0.25);
  --modal-shadow: 0 24px 60px -8px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.1);

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;

  --header-height: 64px;
  --sidebar-width: 240px;

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

:root.theme-light {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #f1f5f9;
  --bg-hover: #f1f5f9;
  --bg-active: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);

  --border: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-hover: #cbd5e1;
  --border-focus: #059669;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --text-inverse: #ffffff;

  --accent: #059669;
  --accent-hover: #047857;
  --accent-light: #10b981;
  --accent-glow: rgba(5, 150, 105, 0.2);
  --accent-bg: #ecfdf5;

  --danger: #ef4444;
  --danger-hover: #dc2626;
  --danger-bg: rgba(239, 68, 68, 0.08);
  --warning: #d97706;
  --warning-bg: rgba(245, 158, 11, 0.08);
  --success: #059669;
  --info: #2563eb;

  --nav-active-bg: #ecfdf5;
  --nav-active-text: #065f46;
  --nav-active-border: #a7f3d0;

  --card-shadow: 0 4px 18px rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.05);
  --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(5, 150, 105, 0.3);
  --modal-shadow: 0 20px 40px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.06);
}