:root {
    /* Backgrounds */
    --bg-page: #f5f7fa;
    --bg-header: #ffffff;
    --bg-header-gradient: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%);
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* Text */
    --text-primary: #1e293b;
    --text-heading: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-on-accent: #ffffff;

    /* Accent (brand colors, darkened for light bg readability) */
    --accent: #0284c7;
    --accent-purple: #7c3aed;
    --accent-gradient: linear-gradient(90deg, #0284c7, #7c3aed);

    /* Borders */
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --border-accent: #0284c7;

    /* Status colors */
    --success: #059669;
    --success-bg: #ecfdf5;
    --error: #dc2626;
    --error-bg: #fef2f2;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
}