/**
 * ENNU Practice Manager - CSS Variables
 *
 * Design tokens for consistent theming across all modules
 * @version 1.0.0
 */

:root {
    /* === COLOR PALETTE === */

    /* Primary Colors */
    --pm-primary: #0073aa;
    --pm-primary-dark: #005a87;
    --pm-primary-light: #0085c3;
    --pm-primary-bg: rgba(0, 115, 170, 0.1);

    /* Status Colors */
    --pm-success: #28a745;
    --pm-success-bg: #d4edda;
    --pm-success-text: #155724;

    --pm-warning: #ffc107;
    --pm-warning-bg: #fff3cd;
    --pm-warning-text: #856404;

    --pm-error: #dc3545;
    --pm-error-bg: #f8d7da;
    --pm-error-text: #721c24;

    --pm-info: #17a2b8;
    --pm-info-bg: #d1ecf1;
    --pm-info-text: #0c5460;

    /* Neutral Colors */
    --pm-white: #ffffff;
    --pm-black: #000000;
    --pm-gray-50: #f8f9fa;
    --pm-gray-100: #f0f0f0;
    --pm-gray-200: #e9ecef;
    --pm-gray-300: #dee2e6;
    --pm-gray-400: #ced4da;
    --pm-gray-500: #adb5bd;
    --pm-gray-600: #6c757d;
    --pm-gray-700: #495057;
    --pm-gray-800: #343a40;
    --pm-gray-900: #212529;

    /* Text Colors */
    --pm-text-primary: #333333;
    --pm-text-secondary: #666666;
    --pm-text-muted: #999999;
    --pm-text-inverse: #ffffff;

    /* Background Colors */
    --pm-bg-body: #ffffff;
    --pm-bg-section: #ffffff;
    --pm-bg-card: #ffffff;
    --pm-bg-hover: #f8f9fa;

    /* Border Colors */
    --pm-border-color: #dddddd;
    --pm-border-light: #eeeeee;
    --pm-border-dark: #999999;

    /* === TYPOGRAPHY === */

    /* Font Families */
    --pm-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --pm-font-family-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    /* Font Sizes */
    --pm-font-size-xs: 11px;
    --pm-font-size-sm: 12px;
    --pm-font-size-base: 14px;
    --pm-font-size-md: 16px;
    --pm-font-size-lg: 18px;
    --pm-font-size-xl: 24px;
    --pm-font-size-2xl: 32px;
    --pm-font-size-3xl: 36px;

    /* Font Weights */
    --pm-font-weight-normal: 400;
    --pm-font-weight-medium: 500;
    --pm-font-weight-semibold: 600;
    --pm-font-weight-bold: 700;

    /* Line Heights */
    --pm-line-height-tight: 1.2;
    --pm-line-height-normal: 1.5;
    --pm-line-height-relaxed: 1.75;

    /* Letter Spacing */
    --pm-letter-spacing-tight: -0.5px;
    --pm-letter-spacing-normal: 0;
    --pm-letter-spacing-wide: 0.5px;

    /* === SPACING === */

    --pm-spacing-xs: 4px;
    --pm-spacing-sm: 8px;
    --pm-spacing-md: 12px;
    --pm-spacing-base: 15px;
    --pm-spacing-lg: 20px;
    --pm-spacing-xl: 25px;
    --pm-spacing-2xl: 30px;
    --pm-spacing-3xl: 40px;

    /* === SIZING === */

    --pm-max-width-sm: 640px;
    --pm-max-width-md: 768px;
    --pm-max-width-lg: 1024px;
    --pm-max-width-xl: 1280px;
    --pm-max-width-2xl: 1400px;

    /* === BORDERS === */

    --pm-border-width: 1px;
    --pm-border-width-thick: 2px;
    --pm-border-width-thicker: 4px;

    --pm-border-radius-sm: 4px;
    --pm-border-radius-base: 8px;
    --pm-border-radius-lg: 12px;
    --pm-border-radius-full: 9999px;

    /* === SHADOWS === */

    --pm-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --pm-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --pm-shadow-base: 0 4px 6px rgba(0, 0, 0, 0.1);
    --pm-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --pm-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --pm-shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);

    /* Hover Shadow */
    --pm-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);

    /* === TRANSITIONS === */

    --pm-transition-fast: 150ms ease-in-out;
    --pm-transition-base: 200ms ease-in-out;
    --pm-transition-slow: 300ms ease-in-out;

    /* === Z-INDEX === */

    --pm-z-dropdown: 1000;
    --pm-z-sticky: 1020;
    --pm-z-fixed: 1030;
    --pm-z-modal-backdrop: 1040;
    --pm-z-modal: 1050;
    --pm-z-popover: 1060;
    --pm-z-tooltip: 1070;

    /* === BREAKPOINTS (for reference in media queries) === */

    --pm-breakpoint-sm: 576px;
    --pm-breakpoint-md: 768px;
    --pm-breakpoint-lg: 992px;
    --pm-breakpoint-xl: 1200px;
    --pm-breakpoint-2xl: 1400px;

    /* === COMPONENT-SPECIFIC === */

    /* KPI Cards */
    --pm-kpi-icon-size: 36px;
    --pm-kpi-value-size: 32px;

    /* Tables */
    --pm-table-header-bg: #f8f9fa;
    --pm-table-border: #eeeeee;
    --pm-table-hover-bg: #f8f9fa;

    /* Modals */
    --pm-modal-backdrop: rgba(0, 0, 0, 0.5);
    --pm-modal-max-width: 600px;
    --pm-modal-max-height: 90vh;

    /* Status Badges */
    --pm-badge-padding-y: 4px;
    --pm-badge-padding-x: 12px;
    --pm-badge-font-size: 12px;

    /* Tabs */
    --pm-tab-border-width: 2px;
    --pm-tab-padding: 12px 20px;

    /* Charts */
    --pm-chart-height: 300px;
    --pm-chart-height-sm: 200px;
    --pm-chart-height-lg: 400px;
}

/* === DARK MODE SUPPORT (Optional) === */

@media (prefers-color-scheme: dark) {
    :root.pm-dark-mode {
        --pm-text-primary: #e9ecef;
        --pm-text-secondary: #adb5bd;
        --pm-text-muted: #6c757d;

        --pm-bg-body: #212529;
        --pm-bg-section: #343a40;
        --pm-bg-card: #343a40;
        --pm-bg-hover: #495057;

        --pm-border-color: #495057;
        --pm-border-light: #343a40;

        --pm-table-header-bg: #343a40;
        --pm-table-hover-bg: #495057;
    }
}