/* Шаблон 2: Синий, белый, чёрный */
:root,
[data-theme="dark"] {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #3b82f6;
    --accent-color: #1e40af;
    --bg: #0f172a;
    --surface: #1e3a5f;
    --border: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --dark-bg: #0f172a;
    --dark-surface: #1e3a5f;
    --dark-border: #334155;
}

[data-theme="light"] {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #3b82f6;
    --accent-color: #1e40af;
    --button-primary-color: #2563eb;
    --button-download-color: #16a34a;
    --button-file-color: #2563eb;
    --auth-primary-color: #2563eb;
    --bg: #ffffff;
    --surface: #f8fafc;
    --border: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --dark-bg: #ffffff;
    --dark-surface: #f8fafc;
    --dark-border: #e2e8f0;
}