:root {
    --font-heading: 'Space Grotesk', sans-serif;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

h1, h2, h3, h4, h5, h6,
.page-title, .settings-section-title, .login-title,
.sidebar-logo-text, .brand-text-logo,
.desktop-login-brand { font-family: var(--font-heading, var(--font-family)); }

:root {
    --bg-primary: #3b4044;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-elevated: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #2ea44f;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    --accent-purple: #a371f7;
    --border-primary: #30363d;
    --border-secondary: #21262d;
}
:root {
    --color-primary: var(--accent-blue);
    --color-primary-hover: var(--accent-blue-hover);
    --color-primary-muted: var(--accent-blue-muted);
    --color-success: var(--accent-green);
    --color-success-hover: var(--accent-green-hover);
    --color-success-muted: var(--accent-green-muted);
    --color-danger: var(--accent-red);
    --color-danger-hover: var(--accent-red-hover);
    --color-danger-muted: var(--accent-red-muted);
    --color-warning: var(--accent-yellow);
    --color-warning-hover: var(--accent-yellow-hover);
    --color-warning-muted: var(--accent-yellow-muted);
    --color-info: var(--accent-purple);
    --color-info-hover: var(--accent-purple-hover);
    --color-info-muted: var(--accent-purple-muted);
    --color-surface: var(--bg-secondary);
    --color-surface-alt: var(--bg-primary);
    --color-surface-hover: var(--bg-tertiary);
    --color-surface-raised: var(--bg-elevated);
    --color-text: var(--text-primary);
    --color-text-muted: var(--text-secondary);
    --color-border: var(--border-primary);
    --focus-ring-color: var(--accent-blue-muted);
    color-scheme: dark;
}
:root {
    --surface-glass-blur: 16px;
    --surface-glass-saturate: 1.2;
    --surface-glass-bg-secondary: rgba(22, 27, 34, 0.55);
    --surface-glass-bg-tertiary: rgba(22, 27, 34, 0.63);
    --surface-glass-bg-elevated: rgba(22, 27, 34, 0.70);
    --surface-glass-border: rgba(22, 27, 34, 0.90);
    --card-bg: var(--surface-glass-bg-secondary);
    --sidebar-glass-bg-rail: rgba(22, 27, 34, 0.48);
    --sidebar-glass-bg-flyout: rgba(22, 27, 34, 0.58);
}