/*
 * P4 Software Design Tokens
 * =========================
 * Core design system variables for the P4Books application
 * Aligned with Fluent 2 design language and P4 brand palette
 *
 * Usage: Import this file BEFORE any component styles
 * All tokens use CSS custom properties for runtime theming
 *
 * Version: 4.0.0
 * Last Updated: January 28, 2026 - Fluent 2 alignment (sharper corners, subtle shadows)
 */

/* ============================================
   1. DESIGN DOC COLORS (Primary Palette)
   ============================================ */

:root {
    /* Primary Blue - Main action color (aligned with sandbox #1976D2) */
    --p4-primary-blue: #1976D2;
    --p4-primary-blue-hover: #1565C0;
    --p4-primary-blue-50: #EBF8FF;
    --p4-primary-blue-100: #BEE3F8;
    --p4-primary-blue-200: #90CDF4;
    --p4-primary-blue-300: #63B3ED;
    --p4-primary-blue-400: #4299E1;
    --p4-primary-blue-500: #1976D2;
    --p4-primary-blue-600: #1565C0;
    --p4-primary-blue-700: #0D47A1;
    --p4-primary-blue-800: #0D3B82;
    --p4-primary-blue-900: #1E3A5F;
    --p4-primary-blue-rgb: 25, 118, 210;

    /* Primary opacity variants (for hover/focus states — matches sandbox) */
    --p4-primary-8: rgba(25, 118, 210, 0.08);
    --p4-primary-12: rgba(25, 118, 210, 0.12);
    --p4-primary-hover: #1565C0;
    --p4-primary-pressed: #0D47A1;

    /* Dark Blue - Headers, emphasis */
    --p4-dark-blue: #2C5282;

    /* Success Green */
    --p4-success-green: #38A169;
    --p4-success-green-hover: #2F855A;
    --p4-success-green-light: rgba(56, 161, 105, 0.1);
    --p4-success-green-rgb: 56, 161, 105;

    /* Warning Orange */
    --p4-warning-orange: #DD6B20;
    --p4-warning-orange-hover: #C05621;
    --p4-warning-orange-light: rgba(221, 107, 32, 0.1);
    --p4-warning-orange-rgb: 221, 107, 32;

    /* Error Red */
    --p4-error-red: #E53E3E;
    --p4-error-red-hover: #C53030;
    --p4-error-red-light: rgba(229, 62, 62, 0.1);
    --p4-error-red-rgb: 229, 62, 62;

    /* Purple - Special states */
    --p4-purple: #805AD5;
    --p4-purple-hover: #6B46C1;
    --p4-purple-light: rgba(128, 90, 213, 0.1);

    /* Neutral Colors (slate ramp — design system) */
    --p4-white: #FFFFFF;
    --p4-light-gray: #F8FAFC;
    --p4-border-gray: #E2E8F0;

    /* Text Colors (slate ramp — design system) */
    --p4-text-primary: #0F172A;
    --p4-text-secondary: #334155;
    --p4-text-muted: #64748B;
    --p4-text-caption: #94A3B8;

    /* Legacy P4 Brand Colors — aligned to design-system blue (#1976D2) */
    --p4-blue: #1976D2;
    --p4-blue-50: #EBF8FF;
    --p4-blue-100: #BEE3F8;
    --p4-blue-200: #90CDF4;
    --p4-blue-300: #63B3ED;
    --p4-blue-400: #4299E1;
    --p4-blue-500: #1976D2;
    --p4-blue-600: #1565C0;
    --p4-blue-700: #0D47A1;
    --p4-blue-800: #0D3B82;
    --p4-blue-900: #1E3A5F;
    --p4-blue-rgb: 25, 118, 210;

    /* P4 Orange / CTA - Accent Color (design system: #F97316) */
    --p4-orange: #F97316;
    --p4-orange-50: #FFF8EE;
    --p4-orange-100: #FFEDD5;
    --p4-orange-200: #FED7AA;
    --p4-orange-300: #FDBA74;
    --p4-orange-400: #FB923C;
    --p4-orange-500: #F97316;
    --p4-orange-600: #EA580C;
    --p4-orange-700: #C2410C;
    --p4-orange-800: #9A3412;
    --p4-orange-900: #7C2D12;
    --p4-orange-rgb: 249, 115, 22;

    /* Cool Grey — slate ramp (design system) */
    --p4-grey: #64748B;
    --p4-grey-50: #F8FAFC;
    --p4-grey-100: #F1F5F9;
    --p4-grey-200: #E2E8F0;
    --p4-grey-300: #CBD5E1;
    --p4-grey-400: #94A3B8;
    --p4-grey-500: #64748B;
    --p4-grey-600: #475569;
    --p4-grey-700: #334155;
    --p4-grey-800: #1E293B;
    --p4-grey-900: #0F172A;
    --p4-grey-rgb: 100, 116, 139;

    /* ============================================
       V2.0 DESIGN SYSTEM TOKENS (DS Prefix)
       Canonical token family — all new code uses --ds-*
       Values aligned with P4 brand (themes.css heritage)
       ============================================ */

    /* Primary — P4 Blue (light), P4 Orange (dark) */
    --ds-primary: #1976D2;
    --ds-on-primary: #FFFFFF;
    --ds-primary-container: #EBF8FF;
    --ds-on-primary-container: #0D47A1;
    --ds-primary-hover: #1565C0;
    --ds-primary-pressed: #0D47A1;
    --ds-primary-8: rgba(25, 118, 210, 0.08);
    --ds-primary-12: rgba(25, 118, 210, 0.12);

    /* Secondary / Cool Grey */
    --ds-secondary: #939598;
    --ds-on-secondary: #FFFFFF;
    --ds-secondary-container: rgba(147, 149, 152, 0.1);
    --ds-on-secondary-container: #616263;
    --ds-secondary-hover: #7a7b7d;
    --ds-secondary-pressed: #616263;

    /* Tertiary / Accent — P4 Orange (light), P4 Blue (dark) */
    --ds-tertiary: #F97316;
    --ds-on-tertiary: #FFFFFF;
    --ds-tertiary-container: #FFF8EE;
    --ds-on-tertiary-container: #7C2D12;

    /* Semantic (P4 brand values) */
    --ds-error: #E53E3E;
    --ds-error-container: #FEF2F2;
    --ds-on-error-container: #C53030;
    --ds-success: #38A169;
    --ds-success-container: #F0FFF4;
    --ds-on-success-container: #2F855A;
    --ds-warning: #DD6B20;
    --ds-warning-container: #FFFBEB;
    --ds-on-warning-container: #C05621;
    --ds-info: #0288D1;
    --ds-info-container: #EBF8FF;
    --ds-on-info-container: #01579B;

    /* Surfaces — slate ramp (design system) */
    --ds-surface: #ffffff;
    --ds-on-surface: #0F172A;
    --ds-on-surface-muted: #64748B;
    --ds-surface-variant: #F1F5F9;
    --ds-surface-container-low: #F8FAFC;
    --ds-surface-container: #F1F5F9;
    --ds-surface-container-high: #E2E8F0;
    --ds-outline: #94A3B8;
    --ds-outline-variant: #E2E8F0;
    --ds-border-default: #E2E8F0;
    --ds-border-subtle: #F1F5F9;

    /* Elevation (Fluent 2) */
    --ds-elevation-0: none;
    --ds-elevation-1: 0 1px 2px rgba(0,0,0,0.12);
    --ds-elevation-2: 0 2px 4px rgba(0,0,0,0.14);
    --ds-elevation-3: 0 2px 8px rgba(0,0,0,0.14);

    /* Shape (Fluent 2 scale — sharper corners) */
    --ds-shape-xs: 2px;
    --ds-shape-sm: 4px;
    --ds-shape-md: 6px;
    --ds-shape-lg: 8px;
    --ds-shape-xl: 12px;
    --ds-shape-full: 9999px;

    /* Typography */
    --ds-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ds-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

    /* Sidebar & Layout */
    --ds-sidebar-width: 260px;
    --ds-sidebar-bg: #FFFFFF;
    --ds-appbar-height: 56px;
}

/* ============================================
   DARK THEME DS TOKENS
   P4 brand: Orange primary in dark mode
   ============================================ */

[data-theme="fluent2-dark"],
.theme-dark,
body.e-dark-mode {
    /* Primary — P4 Orange in dark mode */
    --ds-primary: #FBAD48;
    --ds-on-primary: #1f1f1f;
    --ds-primary-container: rgba(251, 173, 72, 0.15);
    --ds-on-primary-container: #fdbf6d;
    --ds-primary-hover: #fdbf6d;
    --ds-primary-pressed: #fdd192;
    --ds-primary-8: rgba(251, 173, 72, 0.08);
    --ds-primary-12: rgba(251, 173, 72, 0.12);

    /* Secondary — Cool Grey (dark) */
    --ds-secondary: #939598;
    --ds-on-secondary: #1f1f1f;
    --ds-secondary-container: rgba(147, 149, 152, 0.15);
    --ds-on-secondary-container: #bcbdbe;
    --ds-secondary-hover: #a7a9ab;
    --ds-secondary-pressed: #bcbdbe;

    /* Tertiary / Accent — P4 Blue in dark mode */
    --ds-tertiary: #1976D2;
    --ds-on-tertiary: #FFFFFF;
    --ds-tertiary-container: rgba(25, 118, 210, 0.15);
    --ds-on-tertiary-container: #5296d4;

    /* Semantic (dark mode — lighter for contrast) */
    --ds-error: #EF5350;
    --ds-error-container: #2D1516;
    --ds-on-error-container: #e57373;
    --ds-success: #66BB6A;
    --ds-success-container: #142B1A;
    --ds-on-success-container: #81c784;
    --ds-warning: #FFA726;
    --ds-warning-container: #2D1F0E;
    --ds-on-warning-container: #ffb74d;
    --ds-info: #42A5F5;
    --ds-info-container: #0E1F2D;
    --ds-on-info-container: #64b5f6;

    /* Surfaces — dark grey (themes.css heritage) */
    --ds-surface: #1f1f1f;
    --ds-on-surface: #e1e1e1;
    --ds-on-surface-muted: #a0a0a0;
    --ds-surface-variant: #2d2d2d;
    --ds-surface-container-low: #252525;
    --ds-surface-container: #2d2d2d;
    --ds-surface-container-high: #3a3a3a;
    --ds-outline: #5a5a5a;
    --ds-outline-variant: #3a3a3a;
    --ds-border-default: #3a3a3a;
    --ds-border-subtle: #2d2d2d;

    --ds-elevation-1: 0 1px 2px rgba(0,0,0,0.3);
    --ds-elevation-2: 0 2px 4px rgba(0,0,0,0.4);
    --ds-elevation-3: 0 2px 8px rgba(0,0,0,0.5);

    --ds-sidebar-bg: #1f1f1f;
}

/* ============================================
   1.5. SEMANTIC COLOR ROLES
   Maps P4 palette to design system semantic roles
   ============================================ */

:root {
    /* Primary */
    --p4-primary: var(--p4-primary-blue);
    --p4-on-primary: #FFFFFF;
    --p4-primary-container: var(--p4-primary-blue-50);
    --p4-on-primary-container: var(--p4-primary-blue-900);

    /* Secondary */
    --p4-secondary: var(--p4-grey-600);
    --p4-on-secondary: #FFFFFF;
    --p4-secondary-container: var(--p4-grey-100);
    --p4-on-secondary-container: var(--p4-grey-800);

    /* Tertiary — accent / CTA orange (design system #F97316) */
    --p4-tertiary: var(--ds-tertiary);
    --p4-on-tertiary: #FFFFFF;
    --p4-tertiary-container: var(--p4-orange-50);
    --p4-on-tertiary-container: var(--p4-orange-800);

    /* Error */
    --p4-error: var(--p4-error-red);
    --p4-on-error: #FFFFFF;
    --p4-error-container: var(--p4-error-red-light);
    --p4-on-error-container: #C53030;

    /* Success (extended — needed for ERP) */
    --p4-success: var(--p4-success-green);
    --p4-on-success: #FFFFFF;
    --p4-success-container: var(--p4-success-green-light);
    --p4-on-success-container: #2F855A;

    /* Warning (extended) */
    --p4-warning: var(--p4-warning-orange);
    --p4-on-warning: #FFFFFF;
    --p4-warning-container: var(--p4-warning-orange-light);
    --p4-on-warning-container: #C05621;

    /* Info (extended) */
    --p4-info: #0288D1;
    --p4-on-info: #FFFFFF;
    --p4-info-container: #E1F5FE;
    --p4-on-info-container: #014361;

    /* Surface (aligned with sandbox tokens) */
    --p4-surface: #FFFFFF;
    --p4-on-surface: #0F172A;
    --p4-on-surface-muted: #64748B;
    --p4-surface-variant: #F1F5F9;
    --p4-on-surface-variant: var(--p4-text-secondary);
    --p4-surface-container-lowest: #FFFFFF;
    --p4-surface-container-low: #F7FAFC;
    --p4-surface-container: #F8FAFC;
    --p4-surface-container-high: #E2E8F0;
    --p4-surface-container-highest: #E2E8F0;

    /* Outline */
    --p4-outline: #94A3B8;
    --p4-outline-variant: #E2E8F0;

    /* Sidebar */
    --p4-sidebar-bg: #FFFFFF;
}

/* ============================================
   2. SEMANTIC COLORS
   ============================================ */

:root {
    /* Success - Confirmations, positive metrics */
    --success: #2E7D32;
    --success-50: #E8F5E9;
    --success-100: #C8E6C9;
    --success-200: #A5D6A7;
    --success-300: #81C784;
    --success-400: #66BB6A;
    --success-500: #4CAF50;
    --success-600: #43A047;
    --success-700: #388E3C;
    --success-800: #2E7D32;
    --success-900: #1B5E20;
    --success-rgb: 46, 125, 50;

    /* Warning - Cautions, pending items */
    --warning: #F9A825;
    --warning-50: #FFFDE7;
    --warning-100: #FFF9C4;
    --warning-200: #FFF59D;
    --warning-300: #FFF176;
    --warning-400: #FFEE58;
    --warning-500: #FFEB3B;
    --warning-600: #FDD835;
    --warning-700: #FBC02D;
    --warning-800: #F9A825;
    --warning-900: #F57F17;
    --warning-rgb: 249, 168, 37;

    /* Error - Errors, negative values */
    --error: #C62828;
    --error-50: #FFEBEE;
    --error-100: #FFCDD2;
    --error-200: #EF9A9A;
    --error-300: #E57373;
    --error-400: #EF5350;
    --error-500: #F44336;
    --error-600: #E53935;
    --error-700: #D32F2F;
    --error-800: #C62828;
    --error-900: #B71C1C;
    --error-rgb: 198, 40, 40;

    /* Info - Information, tips */
    --info: #0288D1;
    --info-50: #E1F5FE;
    --info-100: #B3E5FC;
    --info-200: #81D4FA;
    --info-300: #4FC3F7;
    --info-400: #29B6F6;
    --info-500: #03A9F4;
    --info-600: #039BE5;
    --info-700: #0288D1;
    --info-800: #0277BD;
    --info-900: #01579B;
    --info-rgb: 2, 136, 209;
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */

:root {
    /* Font Families (Plus Jakarta Sans — matches sandbox source of truth) */
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', 'Monaco', 'Liberation Mono', monospace;

    /* Font Sizes */
    --text-xs: 0.6875rem;    /* 11px */
    --text-sm: 0.75rem;      /* 12px */
    --text-base: 0.875rem;   /* 14px */
    --text-md: 1rem;         /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 2rem;        /* 32px */
    --text-4xl: 2.5rem;      /* 40px */

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.2;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
}

/* ============================================
   3.5. TYPOGRAPHY ROLES
   ============================================ */

:root {
    /* Typography Roles (Fluent 2 scale) */
    --p4-display-large: 2.25rem;     /* 36px */
    --p4-display-medium: 2rem;       /* 32px */
    --p4-display-small: 1.75rem;     /* 28px */

    --p4-headline-large: 1.5rem;     /* 24px */
    --p4-headline-medium: 1.25rem;   /* 20px */
    --p4-headline-small: 1.125rem;   /* 18px */

    --p4-title-large: 1.125rem;      /* 18px */
    --p4-title-medium: 1rem;         /* 16px */
    --p4-title-small: 0.875rem;      /* 14px */

    --p4-body-large: 1rem;           /* 16px */
    --p4-body-medium: 0.875rem;      /* 14px */
    --p4-body-small: 0.8125rem;      /* 13px */

    --p4-label-large: 0.875rem;      /* 14px */
    --p4-label-medium: 0.75rem;      /* 12px */
    --p4-label-small: 0.6875rem;     /* 11px */
}

/* ============================================
   4. SPACING
   ============================================ */

:root {
    /* Spacing Scale (4px base) */
    --space-0: 0;
    --space-px: 1px;
    --space-0-5: 0.125rem;   /* 2px */
    --space-1: 0.25rem;      /* 4px */
    --space-1-5: 0.375rem;   /* 6px */
    --space-2: 0.5rem;       /* 8px */
    --space-2-5: 0.625rem;   /* 10px */
    --space-3: 0.75rem;      /* 12px */
    --space-3-5: 0.875rem;   /* 14px */
    --space-4: 1rem;         /* 16px */
    --space-5: 1.25rem;      /* 20px */
    --space-6: 1.5rem;       /* 24px */
    --space-7: 1.75rem;      /* 28px */
    --space-8: 2rem;         /* 32px */
    --space-9: 2.25rem;      /* 36px */
    --space-10: 2.5rem;      /* 40px */
    --space-11: 2.75rem;     /* 44px */
    --space-12: 3rem;        /* 48px */
    --space-14: 3.5rem;      /* 56px */
    --space-16: 4rem;        /* 64px */
    --space-20: 5rem;        /* 80px */
    --space-24: 6rem;        /* 96px */
    --space-32: 8rem;        /* 128px */
}

/* ============================================
   5. LAYOUT
   ============================================ */

:root {
    /* Layout Constants (from design doc) */
    --sidebar-width: 260px;        /* Sandbox source of truth: 260px */
    --sidebar-collapsed: 60px;
    --header-height: 56px;         /* Sandbox source of truth: 56px */
    --topbar-height: 56px;         /* Alias for header */
    --content-max-width: 1400px;
    --content-min-width: 320px;
    --content-padding: 24px;       /* Design doc: 24px */

    /* Card & Container (from design doc) */
    --card-padding: 20px;          /* Design doc: 20px */
    --card-gap: var(--space-4);
    --form-gap: var(--space-3);
    --section-gap: var(--space-6);
    --grid-gap: 16px;              /* Design doc: 16px */

    /* Z-Index Scale */
    --z-base: 0;
    --z-raised: 10;
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-fixed: 1000;
    --z-modal-backdrop: 9000;
    --z-modal: 10000;
    --z-popover: 15000;
    --z-tooltip: 20000;
    --z-toast: 100000;
}

/* ============================================
   6. BORDERS
   ============================================ */

:root {
    /* Border Widths */
    --border-0: 0;
    --border-1: 1px;
    --border-2: 2px;
    --border-4: 4px;
    --border-8: 8px;

    /* Fluent 2 Shape Scale */
    --p4-shape-none: 0;
    --p4-shape-extra-small: 2px;
    --p4-shape-small: 4px;
    --p4-shape-medium: 6px;
    --p4-shape-large: 8px;
    --p4-shape-extra-large: 12px;
    --p4-shape-full: 9999px;

    /* Legacy radius aliases -> mapped to Fluent 2 shape scale */
    --radius-none: 0;
    --radius-sm: 2px;
    --radius-input: var(--p4-shape-extra-small);    /* 2px - F2 extra-small */
    --radius-md: var(--p4-shape-small);              /* 4px - F2 small */
    --radius-button: var(--p4-shape-medium);         /* 6px - F2 medium */
    --radius-lg: var(--p4-shape-large);              /* 8px - F2 large */
    --radius-xl: var(--p4-shape-extra-large);        /* 12px - F2 extra-large */
    --radius-card: var(--p4-shape-large);            /* 8px - F2 large */
    --radius-2xl: var(--p4-shape-extra-large);       /* 12px */
    --radius-modal: var(--p4-shape-extra-large);     /* 12px - F2 extra-large */
    --radius-3xl: var(--p4-shape-extra-large);       /* 12px */
    --radius-full: var(--p4-shape-full);             /* 9999px */
}

/* ============================================
   7. SHADOWS (Fluent 2 Elevation)
   ============================================ */

:root {
    /* Light Mode Shadows */
    --shadow-none: none;
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px -1px rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

    /* Fluent 2 Elevation Levels */
    --p4-elevation-0: none;
    --p4-elevation-1: 0 1px 2px rgba(0, 0, 0, 0.12);
    --p4-elevation-2: 0 2px 4px rgba(0, 0, 0, 0.14);
    --p4-elevation-3: 0 2px 8px rgba(0, 0, 0, 0.14);
    --p4-elevation-4: 0 4px 12px rgba(0, 0, 0, 0.16);
    --p4-elevation-5: 0 8px 16px rgba(0, 0, 0, 0.18);

    /* Map existing shadow names to Fluent 2 elevations */
    --shadow-subtle: var(--p4-elevation-1);
    --shadow-modal: var(--p4-elevation-3);

    /* Focus Ring (using sandbox primary blue #1976D2) */
    --shadow-focus: 0 0 0 2px rgba(25, 118, 210, 0.3);
    --shadow-focus-error: 0 0 0 2px rgba(229, 62, 62, 0.3);
    --shadow-focus-success: 0 0 0 2px rgba(56, 161, 105, 0.3);
}

/* ============================================
   8. TRANSITIONS & ANIMATION
   ============================================ */

:root {
    /* Durations */
    --duration-instant: 0ms;
    --duration-fast: 100ms;
    --duration-normal: 150ms;
    --duration-moderate: 200ms;
    --duration-slow: 300ms;
    --duration-slower: 400ms;
    --duration-slowest: 500ms;

    /* Easing Functions */
    --ease-linear: linear;
    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Common Transitions */
    --transition-colors: color var(--duration-fast) var(--ease-default),
                         background-color var(--duration-fast) var(--ease-default),
                         border-color var(--duration-fast) var(--ease-default);
    --transition-opacity: opacity var(--duration-normal) var(--ease-default);
    --transition-shadow: box-shadow var(--duration-normal) var(--ease-default);
    --transition-transform: transform var(--duration-normal) var(--ease-out);
    --transition-all: all var(--duration-normal) var(--ease-default);
}

/* ============================================
   8.5. STATE LAYERS
   ============================================ */

:root {
    --p4-state-hover: 0.08;
    --p4-state-focus: 0.12;
    --p4-state-pressed: 0.12;
    --p4-state-dragged: 0.16;
}

/* ============================================
   9. BREAKPOINTS
   ============================================ */

:root {
    --breakpoint-xs: 480px;
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1440px;
    --breakpoint-3xl: 1920px;
}

/* ============================================
   10. ICON SIZES
   ============================================ */

:root {
    --icon-xs: 12px;
    --icon-sm: 16px;
    --icon-md: 20px;
    --icon-lg: 24px;
    --icon-xl: 32px;
    --icon-2xl: 40px;
    --icon-3xl: 48px;
}

/* ============================================
   11. COMPONENT SIZES
   ============================================ */

:root {
    /* Button Heights */
    --btn-height-xs: 24px;
    --btn-height-sm: 28px;
    --btn-height-md: 36px;
    --btn-height-lg: 44px;
    --btn-height-xl: 52px;

    /* Input Heights */
    --input-height-sm: 28px;
    --input-height-md: 36px;
    --input-height-lg: 44px;

    /* Avatar Sizes */
    --avatar-xs: 24px;
    --avatar-sm: 32px;
    --avatar-md: 40px;
    --avatar-lg: 48px;
    --avatar-xl: 64px;
    --avatar-2xl: 96px;

    /* Touch Targets */
    --touch-target-min: 44px;
}

/* ============================================
   12. SEMANTIC LAYOUT TOKENS
   Component spacing, shape, and typography roles
   from design-principles.md measured values
   ============================================ */

:root {
    /* Component Spacing (semantic — use these, not raw --space-*) */
    --ds-page-padding: 24px;
    --ds-card-padding: 20px;
    --ds-card-header-padding: 12px 16px;
    --ds-card-gap: 16px;
    --ds-form-row-gap: 12px;
    --ds-form-label-gap: 8px;
    --ds-section-gap: 24px;
    --ds-kpi-gap: 24px;
    --ds-column-gap: 24px;
    --ds-dialog-padding: 24px;
    --ds-toolbar-gap: 8px;
    --ds-grid-cell-padding: 8px 12px;

    /* Shape (semantic — use these, not raw --radius-* or --p4-shape-*) */
    --ds-radius-input: 4px;
    --ds-radius-button: 6px;
    --ds-radius-card: 8px;
    --ds-radius-dialog: 12px;
    --ds-radius-badge: 9999px;
}

/* ============================================
   13. LIGHT THEME (DEFAULT)
   Bridge aliases + component tokens from themes.css
   ============================================ */

:root,
.theme-light,
[data-theme="light"],
[data-theme="fluent2"] {
    /* Theme Identity */
    --theme-mode: light;

    /* Bridge: --color-* → --ds-* (for consumers of the old token names) */
    --color-primary: var(--ds-primary);
    --color-primary-hover: var(--ds-primary-hover);
    --color-primary-active: var(--ds-primary-pressed);
    --color-primary-light: var(--ds-primary-8);
    --color-primary-lighter: rgba(25, 118, 210, 0.05);

    /* Accent (P4 Orange in light mode — design system #F97316) */
    --color-accent: #F97316;
    --color-accent-hover: #EA580C;
    --color-accent-active: #C2410C;
    --color-accent-light: rgba(249, 115, 22, 0.1);
    --color-accent-lighter: rgba(249, 115, 22, 0.05);

    /* Secondary (Cool Grey) */
    --color-secondary: var(--ds-secondary);
    --color-secondary-hover: var(--ds-secondary-hover);
    --color-secondary-active: var(--ds-secondary-pressed);
    --color-secondary-light: var(--ds-secondary-container);
    --color-secondary-lighter: rgba(147, 149, 152, 0.05);

    /* Semantic colors (bridge to --ds-*) */
    --color-success: var(--ds-success);
    --color-success-hover: #2F855A;
    --color-success-light: var(--ds-success-container);
    --color-warning: var(--ds-warning);
    --color-warning-hover: #C05621;
    --color-warning-light: var(--ds-warning-container);
    --color-error: var(--ds-error);
    --color-error-hover: #C53030;
    --color-error-light: var(--ds-error-container);
    --color-info: var(--ds-info);
    --color-info-hover: #01579b;
    --color-info-light: var(--ds-info-container);

    /* Background (bridge to --ds-surface-*) */
    --bg-primary: var(--ds-surface);
    --bg-secondary: var(--ds-surface-variant);
    --bg-tertiary: var(--ds-surface-container-low);
    --bg-hover: rgba(0, 0, 0, 0.04);
    --bg-active: rgba(25, 118, 210, 0.08);
    --bg-elevated: var(--ds-surface);
    --bg-inverse: #1A202C;
    --bg-disabled: var(--ds-surface-container-high);

    /* Surface aliases */
    --surface-card: var(--ds-surface);
    --surface-container: var(--ds-surface-container);
    --surface-container-low: var(--ds-surface-container-low);
    --surface-container-high: var(--ds-surface-container-high);
    --surface-sidebar: var(--ds-surface);
    --surface-header: var(--ds-surface);
    --surface-modal: var(--ds-surface);
    --surface-tooltip: #2D3748;
    --surface-hover: rgba(0, 0, 0, 0.04);
    --surface-active: rgba(0, 0, 0, 0.08);
    --surface-selected: var(--ds-primary-8);

    /* Text (bridge to --ds-on-surface-*) */
    --text-primary: var(--ds-on-surface);
    --text-secondary: var(--ds-on-surface-muted);
    --text-tertiary: #64748B;
    --text-muted: #64748B;
    --text-caption: #94A3B8;
    --text-disabled: #94A3B8;
    --text-inverse: #FFFFFF;
    --text-on-primary: #ffffff;
    --text-on-accent: #ffffff;
    --text-link: var(--ds-primary);
    --text-link-hover: var(--ds-primary-hover);

    /* Border (bridge to --ds-border-*) */
    --border-color: var(--ds-border-default);
    --border-color-light: var(--ds-border-subtle);
    --border-color-dark: #CBD5E1;
    --border-color-focus: var(--ds-primary);
    --border-light: var(--ds-border-subtle);
    --border-dark: #CBD5E1;
    --border-focus: var(--ds-primary);
    --border-error: var(--ds-error);

    /* Semantic Backgrounds */
    --success-bg: var(--ds-success-container);
    --warning-bg: var(--ds-warning-container);
    --error-bg: var(--ds-error-container);
    --info-bg: var(--ds-info-container);

    /* Semantic Text */
    --success-text: var(--ds-success);
    --warning-text: var(--ds-warning);
    --error-text: var(--ds-error);
    --info-text: var(--ds-info);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 8px 16px rgba(0, 0, 0, 0.15);

    /* Navigation (from themes.css — consumed by P4NavMenu, AzureTopBar) */
    --nav-bg: #ffffff;
    --nav-border: var(--ds-border-default);
    --nav-text: var(--ds-on-surface);
    --nav-text-hover: var(--ds-primary);
    --nav-hover-bg: rgba(0, 0, 0, 0.04);
    --nav-active-bg: rgba(25, 118, 210, 0.08);
    --nav-active-text: var(--ds-primary);

    /* Top Bar (from themes.css — consumed by AzureTopBar, menus) */
    --topbar-bg: #ffffff;
    --topbar-border: var(--ds-border-default);
    --topbar-text: var(--ds-on-surface);
    --topbar-icon-hover: var(--ds-primary);
    --topbar-icon-hover-bg: rgba(25, 118, 210, 0.1);
    --topbar-button-hover-bg: rgba(0, 0, 0, 0.05);

    /* Input (from themes.css — consumed by P4NavMenu) */
    --input-bg: #ffffff;
    --input-border: #CBD5E1;
    --input-border-hover: #94A3B8;
    --input-border-focus: var(--ds-primary);
    --input-text: var(--ds-on-surface);
    --input-placeholder: #94A3B8;
    --input-disabled-bg: #f3f2f1;
    --input-disabled-text: #94A3B8;

    /* Card (from themes.css) */
    --card-bg: var(--ds-surface);
    --card-border: var(--ds-border-default);
    --card-shadow: var(--shadow-md);
    --card-hover-shadow: var(--shadow-lg);

    /* Table/Grid (from themes.css) */
    --table-header-bg: var(--ds-surface-container-low);
    --table-header-text: var(--ds-on-surface);
    --table-row-hover: rgba(0, 0, 0, 0.02);
    --table-row-selected: rgba(25, 118, 210, 0.08);
    --table-border: var(--ds-border-default);

    /* Modal (from themes.css — consumed by NotificationPanel) */
    --modal-bg: var(--ds-surface);
    --modal-overlay: rgba(0, 0, 0, 0.5);
    --modal-shadow: var(--shadow-xl);

    /* Sidebar (from themes.css — consumed by SfNavMenu) */
    --sidebar-bg: #ffffff;
    --sidebar-border: var(--ds-border-default);
    --sidebar-text: var(--ds-on-surface);
    --sidebar-hover-bg: rgba(0, 0, 0, 0.04);
    --sidebar-active-bg: rgba(25, 118, 210, 0.08);
    --sidebar-active-text: var(--ds-primary);

    /* Scrollbar */
    --scrollbar-track: var(--ds-surface-variant);
    --scrollbar-thumb: #CBD5E1;
    --scrollbar-thumb-hover: #94A3B8;

    /* Transition durations (from themes.css) */
    --transition-fast: 0.15s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;

    /* Border radius aliases (from themes.css) */
    --border-radius-none: 0;
    --border-radius-sm: 2px;
    --border-radius-md: 4px;
    --border-radius-lg: 6px;
    --border-radius-xl: 8px;

    /* Divider */
    --divider-color: var(--ds-border-default);

    /* Overlay */
    --overlay-color: rgba(0, 0, 0, 0.5);
}

/* ============================================
   14. DARK THEME
   Bridge aliases + component tokens from themes.css
   ============================================ */

[data-theme="fluent2-dark"],
.theme-dark,
body.e-dark-mode {
    /* Theme Identity */
    --theme-mode: dark;

    /* Bridge: --color-* → --ds-* (dark values) */
    --color-primary: var(--ds-primary);
    --color-primary-hover: var(--ds-primary-hover);
    --color-primary-active: var(--ds-primary-pressed);
    --color-primary-light: var(--ds-primary-12);
    --color-primary-lighter: var(--ds-primary-8);

    /* Accent (P4 Blue in dark mode — inverted from light) */
    --color-accent: #1976D2;
    --color-accent-hover: #2e7bc6;
    --color-accent-active: #5296d4;
    --color-accent-light: rgba(25, 118, 210, 0.15);
    --color-accent-lighter: rgba(25, 118, 210, 0.08);

    /* Secondary (Cool Grey — dark) */
    --color-secondary: var(--ds-secondary);
    --color-secondary-hover: var(--ds-secondary-hover);
    --color-secondary-active: var(--ds-secondary-pressed);
    --color-secondary-light: var(--ds-secondary-container);
    --color-secondary-lighter: rgba(147, 149, 152, 0.08);

    /* Semantic colors (bridge to --ds-*) */
    --color-success: var(--ds-success);
    --color-success-hover: #81c784;
    --color-success-light: var(--ds-success-container);
    --color-warning: var(--ds-warning);
    --color-warning-hover: #ffb74d;
    --color-warning-light: var(--ds-warning-container);
    --color-error: var(--ds-error);
    --color-error-hover: #e57373;
    --color-error-light: var(--ds-error-container);
    --color-info: var(--ds-info);
    --color-info-hover: #64b5f6;
    --color-info-light: var(--ds-info-container);

    /* Background (bridge to --ds-surface-*) */
    --bg-primary: var(--ds-surface);
    --bg-secondary: var(--ds-surface-variant);
    --bg-tertiary: var(--ds-surface-container-low);
    --bg-hover: rgba(255, 255, 255, 0.06);
    --bg-active: rgba(251, 173, 72, 0.12);
    --bg-elevated: var(--ds-surface-container-high);
    --bg-inverse: #FFFFFF;
    --bg-disabled: var(--ds-surface-container-high);

    /* Surface aliases */
    --surface-card: var(--ds-surface-variant);
    --surface-sidebar: var(--ds-surface);
    --surface-header: var(--ds-surface);
    --surface-modal: var(--ds-surface-variant);
    --surface-tooltip: var(--ds-surface-container-high);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --surface-active: rgba(255, 255, 255, 0.1);
    --surface-selected: var(--ds-primary-12);

    /* Text (bridge to --ds-on-surface-*) */
    --text-primary: var(--ds-on-surface);
    --text-secondary: #c8c8c8;
    --text-tertiary: var(--ds-on-surface-muted);
    --text-muted: var(--ds-on-surface-muted);
    --text-disabled: #6e6e6e;
    --text-inverse: var(--ds-surface);
    --text-on-primary: var(--ds-on-primary);
    --text-on-accent: #ffffff;
    --text-link: var(--ds-primary);
    --text-link-hover: var(--ds-primary-hover);

    /* Border (bridge to --ds-border-*) */
    --border-color: var(--ds-border-default);
    --border-color-light: var(--ds-border-subtle);
    --border-color-dark: var(--ds-outline);
    --border-color-focus: var(--ds-primary);
    --border-light: var(--ds-border-subtle);
    --border-dark: var(--ds-outline);
    --border-focus: var(--ds-primary);
    --border-error: var(--ds-error);

    /* Semantic Backgrounds */
    --success-bg: var(--ds-success-container);
    --warning-bg: var(--ds-warning-container);
    --error-bg: var(--ds-error-container);
    --info-bg: var(--ds-info-container);

    /* Semantic Text */
    --success-text: var(--ds-success);
    --warning-text: var(--ds-warning);
    --error-text: var(--ds-error);
    --info-text: var(--ds-info);

    /* Dark Mode Shadows (stronger) */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.15);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 8px 16px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 20px 25px -5px rgba(0, 0, 0, 0.35), 0 10px 10px -5px rgba(0, 0, 0, 0.2);

    /* Focus Ring (Dark) */
    --shadow-focus: 0 0 0 2px rgba(251, 173, 72, 0.4);
    --shadow-focus-error: 0 0 0 2px rgba(239, 83, 80, 0.4);
    --shadow-focus-success: 0 0 0 2px rgba(102, 187, 106, 0.4);

    /* Navigation (from themes.css — dark values) */
    --nav-bg: var(--ds-surface);
    --nav-border: var(--ds-border-default);
    --nav-text: var(--ds-on-surface);
    --nav-text-hover: var(--ds-primary);
    --nav-hover-bg: rgba(255, 255, 255, 0.06);
    --nav-active-bg: rgba(251, 173, 72, 0.12);
    --nav-active-text: var(--ds-primary);

    /* Top Bar (from themes.css — dark values) */
    --topbar-bg: var(--ds-surface);
    --topbar-border: var(--ds-border-default);
    --topbar-text: var(--ds-on-surface);
    --topbar-icon-hover: var(--ds-primary);
    --topbar-icon-hover-bg: rgba(251, 173, 72, 0.1);
    --topbar-button-hover-bg: rgba(255, 255, 255, 0.1);

    /* Input (from themes.css — dark values) */
    --input-bg: var(--ds-surface-variant);
    --input-border: var(--ds-outline);
    --input-border-hover: #5a5a5a;
    --input-border-focus: var(--ds-primary);
    --input-text: var(--ds-on-surface);
    --input-placeholder: #6e6e6e;
    --input-disabled-bg: var(--ds-surface-container-low);
    --input-disabled-text: #6e6e6e;

    /* Card (from themes.css — dark values) */
    --card-bg: var(--ds-surface-variant);
    --card-border: var(--ds-border-default);
    --card-shadow: var(--shadow-md);
    --card-hover-shadow: var(--shadow-lg);

    /* Table/Grid (from themes.css — dark values) */
    --table-header-bg: var(--ds-surface-container-low);
    --table-header-text: var(--ds-on-surface);
    --table-row-hover: rgba(255, 255, 255, 0.04);
    --table-row-selected: rgba(251, 173, 72, 0.12);
    --table-border: var(--ds-border-default);

    /* Modal (from themes.css — dark values) */
    --modal-bg: var(--ds-surface-variant);
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --modal-shadow: var(--shadow-xl);

    /* Sidebar (from themes.css — dark values) */
    --sidebar-bg: var(--ds-surface);
    --sidebar-border: var(--ds-border-default);
    --sidebar-text: var(--ds-on-surface);
    --sidebar-hover-bg: rgba(255, 255, 255, 0.06);
    --sidebar-active-bg: rgba(251, 173, 72, 0.12);
    --sidebar-active-text: var(--ds-primary);

    /* Scrollbar */
    --scrollbar-track: var(--ds-surface-container-low);
    --scrollbar-thumb: var(--ds-outline);
    --scrollbar-thumb-hover: #5a5a5a;

    /* Transition durations */
    --transition-fast: 0.15s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;

    /* Border radius aliases */
    --border-radius-none: 0;
    --border-radius-sm: 2px;
    --border-radius-md: 4px;
    --border-radius-lg: 6px;
    --border-radius-xl: 8px;

    /* Divider */
    --divider-color: var(--ds-border-default);

    /* Overlay */
    --overlay-color: rgba(0, 0, 0, 0.7);

    /* Legacy --p4-* dark overrides (bridge — will be removed in Phase 1 Step 7) */
    --p4-surface: var(--ds-surface);
    --p4-on-surface: var(--ds-on-surface);
    --p4-on-surface-muted: var(--ds-on-surface-muted);
    --p4-surface-variant: var(--ds-surface-variant);
    --p4-on-surface-variant: var(--ds-on-surface-muted);
    --p4-surface-container-lowest: #181818;
    --p4-surface-container-low: var(--ds-surface-container-low);
    --p4-surface-container: var(--ds-surface-container);
    --p4-surface-container-high: var(--ds-surface-container-high);
    --p4-surface-container-highest: var(--ds-outline);
    --p4-outline: var(--ds-outline);
    --p4-outline-variant: var(--ds-outline-variant);
    --p4-sidebar-bg: var(--ds-sidebar-bg);
    --p4-primary: var(--ds-primary);
    --p4-on-primary: var(--ds-on-primary);
    --p4-primary-container: var(--ds-primary-container);
    --p4-on-primary-container: var(--ds-on-primary-container);
    --p4-primary-8: var(--ds-primary-8);
    --p4-primary-12: var(--ds-primary-12);
    --p4-primary-hover: var(--ds-primary-hover);
    --p4-primary-pressed: var(--ds-primary-pressed);
    --p4-error-container: var(--ds-error-container);
    --p4-on-error-container: var(--ds-on-error-container);
    --p4-success-container: var(--ds-success-container);
    --p4-on-success-container: var(--ds-on-success-container);
    --p4-warning-container: var(--ds-warning-container);
    --p4-on-warning-container: var(--ds-on-warning-container);
    --p4-info-container: var(--ds-info-container);
    --p4-on-info-container: var(--ds-info);
}

/* ============================================
   15. GLOBAL THEME UTILITIES (from themes.css)
   ============================================ */

/* Apply theme transitions to body + set background to prevent white flash */
html {
    background-color: var(--ds-surface, #ffffff);
}

body {
    background-color: var(--ds-surface, #ffffff);
    transition: background-color var(--transition-fast, 0.15s) ease,
                color var(--transition-fast, 0.15s) ease;
}

/* Disable transitions during first paint to avoid theme flash */
body.theme-preload,
body.theme-preload * {
    transition: none !important;
}

/* Custom Scrollbar Styles */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--border-radius-md, 4px);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* Focus Outline Styles */
:focus-visible {
    outline: 2px solid var(--border-color-focus, var(--ds-primary));
    outline-offset: 2px;
}

/* Selection Colors */
::selection {
    background-color: var(--color-primary-light);
    color: var(--text-primary);
}

/* Disabled State */
[disabled],
.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   16. THEME HELPER CLASSES (from themes.css)
   Will be migrated to p4-design-system.css
   with p4- prefix in Phase 3
   ============================================ */

/* Background Helpers */
.bg-primary { background-color: var(--bg-primary) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-tertiary { background-color: var(--bg-tertiary) !important; }

/* Text Color Helpers */
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-tertiary { color: var(--text-tertiary) !important; }
.text-disabled { color: var(--text-disabled) !important; }

/* Brand Color Helpers */
.text-brand-primary { color: var(--color-primary) !important; }
.text-brand-accent { color: var(--color-accent) !important; }
.bg-brand-primary { background-color: var(--color-primary) !important; }
.bg-brand-accent { background-color: var(--color-accent) !important; }

/* Border Helpers */
.border-primary { border-color: var(--border-color) !important; }
.border-light { border-color: var(--border-color-light) !important; }
.border-dark { border-color: var(--border-color-dark) !important; }

/* Shadow Helpers */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }

/* Semantic Color Helpers */
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-error { color: var(--color-error) !important; }
.text-info { color: var(--color-info) !important; }

.bg-success { background-color: var(--color-success-light) !important; }
.bg-warning { background-color: var(--color-warning-light) !important; }
.bg-error { background-color: var(--color-error-light) !important; }
.bg-info { background-color: var(--color-info-light) !important; }

/* ============================================
   17. ACCESSIBILITY - REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    :root {
        --duration-instant: 0ms;
        --duration-fast: 0ms;
        --duration-normal: 0ms;
        --duration-moderate: 0ms;
        --duration-slow: 0ms;
        --duration-slower: 0ms;
        --duration-slowest: 0ms;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   18. HIGH CONTRAST MODE
   ============================================ */

@media (prefers-contrast: high) {
    :root,
    [data-theme="light"] {
        --border-color: #000000;
        --text-primary: #000000;
        --text-secondary: #333333;
    }

    [data-theme="fluent2-dark"],
    .theme-dark,
    body.e-dark-mode {
        --border-color: #FFFFFF;
        --text-primary: #FFFFFF;
        --text-secondary: #E0E0E0;
    }
}

/* ============================================
   16. PRINT STYLES
   ============================================ */

@media print {
    :root {
        --color-primary: #000000;
        --bg-primary: #FFFFFF;
        --text-primary: #000000;
        --shadow-none: none;
        --shadow-xs: none;
        --shadow-sm: none;
        --shadow-md: none;
        --shadow-lg: none;
        --shadow-xl: none;
        --shadow-2xl: none;
    }
}