$primary-color: #0d6efd;
$secondary-color: #6c757d;  
$success-color: #146c43;
$warning-color: #ca8a04;
$danger-color: #dc3545;
$info-color: #0891b2;


$primary: $primary-color;
$secondary: $secondary-color;
$success: $success-color;
$warning: $warning-color;
$danger: $danger-color;
$info: $info-color;


$gradient-end-color: #764ba2;
$primary-gradient: linear-gradient(135deg, $primary-color 0%, $gradient-end-color 100%);


$white: #ffffff;
$black: #000000;
$gray-100: #f7fafc;
$gray-200: #edf2f7;
$gray-300: #e2e8f0;
$gray-400: #cbd5e0;
$gray-500: #a0aec0;
$gray-600: #718096;
$gray-700: #4a5568;
$gray-800: #2d3748;
$gray-900: #1a202c;


$font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
$font-family-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;

$font-size-base: 1rem;
$font-size-sm: 0.875rem;
$font-size-lg: 1.125rem;
$font-size-xl: 1.25rem;
$font-size-2xl: 1.5rem;
$font-size-3xl: 1.875rem;

$font-weight-light: 300;
$font-weight-normal: 400;
$font-weight-medium: 500;
$font-weight-semibold: 600;
$font-weight-bold: 700;

$line-height-base: 1.5;
$line-height-tight: 1.25;
$line-height-loose: 1.75;


$spacing-xs: 0.25rem;
$spacing-sm: 0.5rem;
$spacing-md: 1rem;
$spacing-lg: 1.5rem;
$spacing-xl: 2rem;
$spacing-2xl: 3rem;
$spacing-3xl: 4rem;


$border-radius-sm: 0.25rem;
$border-radius-md: 0.375rem;
$border-radius-lg: 0.5rem;
$border-radius-xl: 0.75rem;
$border-radius-full: 9999px;

$border-width: 1px;
$border-color: #b8b8b8;


$shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
$shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
$shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
$shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
$shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);


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


$breakpoint-sm: 640px;
$breakpoint-md: 768px;
$breakpoint-lg: 1024px;
$breakpoint-xl: 1280px;
$breakpoint-2xl: 1536px;


$container-max-width: 1280px;
$container-padding: $spacing-lg;


$card-bg: $white;
$card-border-radius: $border-radius-lg;
$card-shadow: $shadow-lg;
$card-padding: $spacing-xl;

$button-padding-x: $spacing-lg;
$button-padding-y: $spacing-sm;
$button-border-radius: $border-radius-md;
$button-font-weight: $font-weight-semibold;

$input-padding-x: $spacing-md;
$input-padding-y: $spacing-sm;
$input-border-radius: $border-radius-md;
$input-border-color: #b8b8b8;
$input-focus-border-color: $primary-color;


$transition-base: all 0.2s ease-in-out;
$transition-fast: all 0.15s ease-in-out;
$transition-slow: all 0.3s ease-in-out;



@mixin button-variant($bg-color, $text-color: $white) {
    background-color: $bg-color;
    color: $text-color;

    &:hover {
        background-color: darken($bg-color, 10%);
    }

    &:focus {
        outline: none;
        box-shadow: 0 0 0 3px rgba($bg-color, 0.5);
    }

    &:active {
        background-color: darken($bg-color, 15%);
    }
}

@mixin card {
    background: $card-bg;
    border-radius: $card-border-radius;
    box-shadow: $card-shadow;
    padding: $card-padding;
}

@mixin truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}