/* Theme System CSS */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
}

[data-theme="dark"] {
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --border-color: #374151;
}

.theme-transition {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.bg-theme-primary {
    background-color: var(--bg-primary);
}

.bg-theme-secondary {
    background-color: var(--bg-secondary);
}

.text-theme-primary {
    color: var(--text-primary);
}

.text-theme-secondary {
    color: var(--text-secondary);
}

.border-theme {
    border-color: var(--border-color);
}