/* ==========================================================================
   MATERIAL DESIGN 3 TOKENS - Color, Typography, Shape, Motion
   ========================================================================== */

/*
 * Material Design 3 Design Tokens
 * Based on Material You dynamic color system
 * Light mode default with dark mode support
 */

:root {
    /* ===== MD3 Color Roles ===== */

    /* Primary - Main brand color (Indigo) */
    --md-sys-color-primary: #3F51B5;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #E8EAF6;
    --md-sys-color-on-primary-container: #1A237E;

    /* Secondary - Complementary color (Emerald/Green for FPL) */
    --md-sys-color-secondary: #2E7D32;
    --md-sys-color-on-secondary: #FFFFFF;
    --md-sys-color-secondary-container: #E8F5E9;
    --md-sys-color-on-secondary-container: #1B5E20;

    /* Tertiary - Accent color */
    --md-sys-color-tertiary: #00BCD4;
    --md-sys-color-on-tertiary: #FFFFFF;
    --md-sys-color-tertiary-container: #E0F7FA;
    --md-sys-color-on-tertiary-container: #006064;

    /* Error */
    --md-sys-color-error: #DC2626;
    --md-sys-color-on-error: #FFFFFF;
    --md-sys-color-error-container: #FEE2E2;
    --md-sys-color-on-error-container: #7F1D1D;

    /* Surface - Background layers */
    --md-sys-color-surface: #FFFFFF;
    --md-sys-color-on-surface: #1C1B1F;
    --md-sys-color-surface-variant: #F3F4F6;
    --md-sys-color-on-surface-variant: #49454F;

    /* Surface containers - Different elevation levels */
    --md-sys-color-surface-container-lowest: #FFFFFF;
    --md-sys-color-surface-container-low: #FAFAFA;
    --md-sys-color-surface-container: #F5F5F5;
    --md-sys-color-surface-container-high: #EEEEEE;
    --md-sys-color-surface-container-highest: #E0E0E0;

    /* Outline */
    --md-sys-color-outline: #E0E0E0;
    --md-sys-color-outline-variant: #F5F5F5;

    /* Background */
    --md-sys-color-background: #FAFAFA;
    --md-sys-color-on-background: #1C1B1F;

    /* Success (Custom for FPL) */
    --md-sys-color-success: #16A34A;
    --md-sys-color-on-success: #FFFFFF;
    --md-sys-color-success-container: #DCFCE7;
    --md-sys-color-on-success-container: #14532D;

    /* Warning (Custom for FPL) */
    --md-sys-color-warning: #F59E0B;
    --md-sys-color-on-warning: #000000;
    --md-sys-color-warning-container: #FEF3C7;
    --md-sys-color-on-warning-container: #78350F;

    /* ===== MD3 Typography ===== */
    --md-sys-typescale-font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --md-sys-typescale-font-family-brand: 'Roboto Flex', 'Roboto', sans-serif;

    /* Display - Largest text */
    --md-sys-typescale-display-large-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-display-large-size: 57px;
    --md-sys-typescale-display-large-line-height: 64px;
    --md-sys-typescale-display-large-weight: 400;
    --md-sys-typescale-display-large-tracking: -0.25px;

    --md-sys-typescale-display-medium-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-display-medium-size: 45px;
    --md-sys-typescale-display-medium-line-height: 52px;
    --md-sys-typescale-display-medium-weight: 400;
    --md-sys-typescale-display-medium-tracking: 0px;

    --md-sys-typescale-display-small-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-display-small-size: 36px;
    --md-sys-typescale-display-small-line-height: 44px;
    --md-sys-typescale-display-small-weight: 400;
    --md-sys-typescale-display-small-tracking: 0px;

    /* Headline - High-emphasis text */
    --md-sys-typescale-headline-large-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-headline-large-size: 32px;
    --md-sys-typescale-headline-large-line-height: 40px;
    --md-sys-typescale-headline-large-weight: 400;
    --md-sys-typescale-headline-large-tracking: 0px;

    --md-sys-typescale-headline-medium-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-headline-medium-size: 28px;
    --md-sys-typescale-headline-medium-line-height: 36px;
    --md-sys-typescale-headline-medium-weight: 400;
    --md-sys-typescale-headline-medium-tracking: 0px;

    --md-sys-typescale-headline-small-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-headline-small-size: 24px;
    --md-sys-typescale-headline-small-line-height: 32px;
    --md-sys-typescale-headline-small-weight: 400;
    --md-sys-typescale-headline-small-tracking: 0px;

    /* Title - Medium-emphasis text */
    --md-sys-typescale-title-large-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-title-large-size: 22px;
    --md-sys-typescale-title-large-line-height: 28px;
    --md-sys-typescale-title-large-weight: 500;
    --md-sys-typescale-title-large-tracking: 0px;

    --md-sys-typescale-title-medium-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-title-medium-size: 20px;
    --md-sys-typescale-title-medium-line-height: 24px;
    --md-sys-typescale-title-medium-weight: 500;
    --md-sys-typescale-title-medium-tracking: 0.15px;

    --md-sys-typescale-title-small-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-title-small-size: 14px;
    --md-sys-typescale-title-small-line-height: 20px;
    --md-sys-typescale-title-small-weight: 500;
    --md-sys-typescale-title-small-tracking: 0.1px;

    /* Body - Main content text */
    --md-sys-typescale-body-large-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-body-large-size: 16px;
    --md-sys-typescale-body-large-line-height: 24px;
    --md-sys-typescale-body-large-weight: 400;
    --md-sys-typescale-body-large-tracking: 0.5px;

    --md-sys-typescale-body-medium-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-body-medium-size: 14px;
    --md-sys-typescale-body-medium-line-height: 20px;
    --md-sys-typescale-body-medium-weight: 400;
    --md-sys-typescale-body-medium-tracking: 0.25px;

    --md-sys-typescale-body-small-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-body-small-size: 12px;
    --md-sys-typescale-body-small-line-height: 16px;
    --md-sys-typescale-body-small-weight: 400;
    --md-sys-typescale-body-small-tracking: 0.4px;

    /* Label - UI elements like buttons */
    --md-sys-typescale-label-large-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-label-large-size: 14px;
    --md-sys-typescale-label-large-line-height: 20px;
    --md-sys-typescale-label-large-weight: 500;
    --md-sys-typescale-label-large-tracking: 0.1px;

    --md-sys-typescale-label-medium-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-label-medium-size: 12px;
    --md-sys-typescale-label-medium-line-height: 16px;
    --md-sys-typescale-label-medium-weight: 500;
    --md-sys-typescale-label-medium-tracking: 0.5px;

    --md-sys-typescale-label-small-font: var(--md-sys-typescale-font-family);
    --md-sys-typescale-label-small-size: 11px;
    --md-sys-typescale-label-small-line-height: 16px;
    --md-sys-typescale-label-small-weight: 500;
    --md-sys-typescale-label-small-tracking: 0.5px;

    /* ===== MD3 Elevation (Shadow) ===== */
    --md-sys-elevation-level0: none;
    --md-sys-elevation-level1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15), 0px 1px 3px 0px rgba(0, 0, 0, 0.3);
    --md-sys-elevation-level4: 0px 6px 10px 4px rgba(0, 0, 0, 0.15), 0px 2px 3px 0px rgba(0, 0, 0, 0.3);
    --md-sys-elevation-level5: 0px 8px 12px 6px rgba(0, 0, 0, 0.15), 0px 4px 4px 0px rgba(0, 0, 0, 0.3);

    /* ===== MD3 Shape (Border Radius) ===== */
    --md-sys-shape-corner-none: 0px;
    --md-sys-shape-corner-extra-small: 4px;
    --md-sys-shape-corner-small: 8px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
    --md-sys-shape-corner-extra-large: 28px;
    --md-sys-shape-corner-full: 9999px;

    /* ===== MD3 Motion (Easing & Duration) ===== */
    /* Standard easing - Default for most transitions */
    --md-sys-motion-easing-standard: cubic-bezier(0.4, 0.0, 0.2, 1);
    --md-sys-motion-easing-standard-accelerate: cubic-bezier(0.3, 0.0, 1, 1);
    --md-sys-motion-easing-standard-decelerate: cubic-bezier(0.0, 0.0, 0.2, 1);

    /* Emphasized easing - For prominent transitions */
    --md-sys-motion-easing-emphasized: cubic-bezier(0.2, 0.0, 0, 1);
    --md-sys-motion-easing-emphasized-accelerate: cubic-bezier(0.3, 0.0, 0.8, 0.15);
    --md-sys-motion-easing-emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);

    /* Legacy - For compatibility */
    --md-sys-motion-easing-legacy: cubic-bezier(0.4, 0.0, 0.6, 1);
    --md-sys-motion-easing-legacy-accelerate: cubic-bezier(0.4, 0.0, 1, 1);
    --md-sys-motion-easing-legacy-decelerate: cubic-bezier(0.0, 0.0, 0.2, 1);

    /* Duration tokens */
    --md-sys-motion-duration-short1: 50ms;
    --md-sys-motion-duration-short2: 100ms;
    --md-sys-motion-duration-short3: 150ms;
    --md-sys-motion-duration-short4: 200ms;
    --md-sys-motion-duration-medium1: 250ms;
    --md-sys-motion-duration-medium2: 300ms;
    --md-sys-motion-duration-medium3: 350ms;
    --md-sys-motion-duration-medium4: 400ms;
    --md-sys-motion-duration-long1: 450ms;
    --md-sys-motion-duration-long2: 500ms;
    --md-sys-motion-duration-long3: 550ms;
    --md-sys-motion-duration-long4: 600ms;
    --md-sys-motion-duration-extra-long1: 700ms;
    --md-sys-motion-duration-extra-long2: 800ms;
    --md-sys-motion-duration-extra-long3: 900ms;
    --md-sys-motion-duration-extra-long4: 1000ms;

    /* ===== MD3 State Layers (Hover, Focus, Press overlays) ===== */
    --md-sys-state-hover-opacity: 0.08;
    --md-sys-state-focus-opacity: 0.12;
    --md-sys-state-pressed-opacity: 0.12;
    --md-sys-state-dragged-opacity: 0.16;

    /* ===== MD3 Spacing (8dp grid system) ===== */
    --md-sys-spacing-0: 0px;
    --md-sys-spacing-1: 4px;
    --md-sys-spacing-2: 8px;
    --md-sys-spacing-3: 12px;
    --md-sys-spacing-4: 16px;
    --md-sys-spacing-5: 20px;
    --md-sys-spacing-6: 24px;
    --md-sys-spacing-7: 28px;
    --md-sys-spacing-8: 32px;
    --md-sys-spacing-9: 36px;
    --md-sys-spacing-10: 40px;
    --md-sys-spacing-12: 48px;
    --md-sys-spacing-16: 64px;
    --md-sys-spacing-20: 80px;
    --md-sys-spacing-24: 96px;
}

/* ===== Dark Mode Support ===== */
@media (prefers-color-scheme: dark) {
    :root {
        /* Primary - FPL Gaffer Brand Blue (brighter for dark mode) */
        --md-sys-color-primary: #4FC3F7;
        --md-sys-color-on-primary: #003544;
        --md-sys-color-primary-container: #00506E;
        --md-sys-color-on-primary-container: #C5E7FF;

        /* Secondary */
        --md-sys-color-secondary: #81C784;
        --md-sys-color-on-secondary: #003A16;
        --md-sys-color-secondary-container: #005228;
        --md-sys-color-on-secondary-container: #9DDCA0;

        /* Tertiary */
        --md-sys-color-tertiary: #4DD0E1;
        --md-sys-color-on-tertiary: #00363D;
        --md-sys-color-tertiary-container: #004F58;
        --md-sys-color-on-tertiary-container: #76F2FF;

        /* Error */
        --md-sys-color-error: #FFB4AB;
        --md-sys-color-on-error: #690005;
        --md-sys-color-error-container: #93000A;
        --md-sys-color-on-error-container: #FFDAD6;

        /* Surface - Improved contrast for dark mode */
        --md-sys-color-surface: #1C1B1F;
        --md-sys-color-on-surface: #E8E3E8;
        --md-sys-color-surface-variant: #49454F;
        --md-sys-color-on-surface-variant: #D0CAD6;

        /* Surface containers - Better separation and visibility */
        --md-sys-color-surface-container-lowest: #0F0E11;
        --md-sys-color-surface-container-low: #242228;
        --md-sys-color-surface-container: #2B2A2E;
        --md-sys-color-surface-container-high: #363540;
        --md-sys-color-surface-container-highest: #424149;

        /* Outline - Brighter for better visibility */
        --md-sys-color-outline: #A8A3B0;
        --md-sys-color-outline-variant: #5A5662;

        /* Background */
        --md-sys-color-background: #1C1B1F;
        --md-sys-color-on-background: #E8E3E8;

        /* Success */
        --md-sys-color-success: #4ADE80;
        --md-sys-color-on-success: #003A16;
        --md-sys-color-success-container: #005228;
        --md-sys-color-on-success-container: #9DDCA0;

        /* Warning */
        --md-sys-color-warning: #FCD34D;
        --md-sys-color-on-warning: #3D2D00;
        --md-sys-color-warning-container: #584400;
        --md-sys-color-on-warning-container: #FFEDB3;
    }
}