/* =========================================
 *  StreamFlow Design Tokens (Variables)
 *  ========================================= */

:root {
    /* --- Colors: Light Theme (Default) --- */
    --bg-color: #ffffff;
    --card-bg: #f8f9fa;
    --text-main: #2d3436;
    --text-secondary: #636e72;
    --border-color: #dfe6e9;
    --accent-primary: #6c5ce7;
    --accent-secondary: #a29bfe;
    --error-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;

    /* --- Shadows & Effects --- */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;

    /* --- Spacing --- */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* --- Typography --- */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.8rem;
    --line-height: 1.5;

    /* --- Transitions --- */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* --- Dark Theme Overrides --- */
[data-theme="dark"] {
    --bg-color: #1e1e1e;
    --card-bg: #2d2d2d;
    --text-main: #ecf0f1;
    --text-secondary: #b2bec3;
    --border-color: #4a4a4a;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}