:root {
  color-scheme: light;
  --surface-0: #FFFFFF;
  --surface-1: #F7F7F5;
  --surface-2: #EFEFEC;
  --surface-3: #E4E4DF;
  --text-primary: #1A1A18;
  --text-secondary: #5F5E5A;
  --text-tertiary: #888780;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);
  --primary: #7F77DD;
  --success: #639922;
  --warning: #BA7517;
  --danger: #A32D2D;
  --info: #378ADD;
  --white: #FFFFFF;
  --preview-light-surface: #FFFFFF;
  --preview-light-sidebar: #EFEFEC;
  --preview-dark-surface: #1A1A18;
  --preview-dark-sidebar: #2C2C2A;
  --owner-bg: #EEEDFE;
  --owner-text: #26215C;
  --admin-bg: #E6F1FB;
  --admin-text: #042C53;
  --manager-bg: #E1F5EE;
  --manager-text: #04342C;
  --member-bg: #EAF3DE;
  --member-text: #173404;
  --viewer-bg: #F1EFE8;
  --viewer-text: #2C2C2A;
  --primary-action: color-mix(in srgb, var(--primary) 78%, #000000);
  --primary-link: var(--primary-action);
  --warning-bg: color-mix(in srgb, var(--warning) 12%, var(--surface-0));
  --warning-text: color-mix(in srgb, var(--warning) 62%, var(--text-primary));
  --danger-bg: color-mix(in srgb, var(--danger) 10%, var(--surface-0));
  --danger-text: var(--danger);
  --app-pink-bg: color-mix(in srgb, var(--owner-bg) 65%, var(--danger-bg));
  --app-pink-text: color-mix(in srgb, var(--owner-text) 60%, var(--danger-text));
  --overlay: rgba(0, 0, 0, 0.28);
  --shadow-modal: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 2px 8px rgba(0, 0, 0, 0.06);
  --font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 14px;
  --font-small: 12px;
  --font-micro: 11px;
  --font-h1: 24px;
  --font-h2: 18px;
  --font-h3: 16px;
  --weight-regular: 400;
  --weight-medium: 500;
  --line-height: 1.5;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-round: 50%;
  --transition: all 0.15s ease-out;
  --transition-modal: opacity 0.2s, transform 0.2s;
  --topbar-height: 48px;
  --taskbar-height: 40px;
  --content-width: 1200px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-0: #1A1A18;
    --surface-1: #232321;
    --surface-2: #2C2C2A;
    --surface-3: #38383A;
    --text-primary: #EFEFEC;
    --text-secondary: #B4B2A9;
    --text-tertiary: #888780;
    --border-subtle: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.20);
    --owner-bg: #26215C;
    --owner-text: #EEEDFE;
    --admin-bg: #042C53;
    --admin-text: #E6F1FB;
    --manager-bg: #04342C;
    --manager-text: #E1F5EE;
    --member-bg: #173404;
    --member-text: #EAF3DE;
    --viewer-bg: #2C2C2A;
    --viewer-text: #F1EFE8;
    --primary-link: color-mix(in srgb, var(--primary) 72%, var(--white));
    --danger-text: color-mix(in srgb, var(--danger) 45%, var(--white));
    --overlay: rgba(0, 0, 0, 0.55);
    --shadow-modal: 0 8px 24px rgba(0, 0, 0, 0.40);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #1A1A18;
  --surface-1: #232321;
  --surface-2: #2C2C2A;
  --surface-3: #38383A;
  --text-primary: #EFEFEC;
  --text-secondary: #B4B2A9;
  --text-tertiary: #888780;
  --border-subtle: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.20);
  --owner-bg: #26215C;
  --owner-text: #EEEDFE;
  --admin-bg: #042C53;
  --admin-text: #E6F1FB;
  --manager-bg: #04342C;
  --manager-text: #E1F5EE;
  --member-bg: #173404;
  --member-text: #EAF3DE;
  --viewer-bg: #2C2C2A;
  --viewer-text: #F1EFE8;
  --primary-link: color-mix(in srgb, var(--primary) 72%, var(--white));
  --danger-text: color-mix(in srgb, var(--danger) 45%, var(--white));
  --overlay: rgba(0, 0, 0, 0.55);
  --shadow-modal: 0 8px 24px rgba(0, 0, 0, 0.40);
}