/**
 * Variables - Professional Bootstrap Design System for Laravel
 * Professional Resume Builder
 * 
 * @author David Valera Melendez <david@valera-melendez.de>
 * @created 2025-08-08
 * @location Made in Germany 🇩🇪
 * @description Professional color system and design tokens for Laravel with Bootstrap
 */

/* ========================================
   CSS CUSTOM PROPERTIES (Professional Bootstrap Match)
   ======================================== */

:root {
  /* Primary Brand Colors - Professional Blue */
  --color-primary: #1976d2;
  --color-primary-light: #42a5f5;
  --color-primary-dark: #1565c0;
  --color-primary-50: #e3f2fd;
  --color-primary-100: #bbdefb;
  --color-primary-200: #90caf9;
  --color-primary-300: #64b5f6;
  --color-primary-400: #42a5f5;
  --color-primary-500: #1976d2;
  --color-primary-600: #1976d2;
  --color-primary-700: #1565c0;
  --color-primary-800: #0d47a1;
  --color-primary-900: #0d47a1;
  
  /* Accent Colors */
  --color-accent: #ff9800;
  --color-accent-light: #ffb74d;
  --color-accent-dark: #f57f17;
  
  /* Semantic Colors */
  --color-success: #4caf50;
  --color-success-light: #81c784;
  --color-success-dark: #388e3c;
  
  --color-warning: #ff9800;
  --color-warning-light: #ffb74d;
  --color-warning-dark: #f57f17;
  
  --color-error: #f44336;
  --color-error-light: #ef5350;
  --color-error-dark: #c62828;
  --color-error-bg: rgba(244, 67, 54, 0.05);
  
  --color-info: #2196f3;
  --color-info-light: #64b5f6;
  --color-info-dark: #1976d2;
  
  /* Text Colors */
  --color-text-primary: #212121;
  --color-text-secondary: #757575;
  --color-text-disabled: #bdbdbd;
  --color-text-hint: #9e9e9e;
  --color-text-muted: #555555;
  --color-text-dark: #444444;
  --color-text-light: #999999;
  --color-text-white: #ffffff;
  --color-text-white-muted: rgba(255, 255, 255, 0.9);
  
  /* Background Colors */
  --color-background: #fafafa;
  --color-background-paper: #ffffff;
  --color-background-default: #f5f5f5;
  --color-background-dialog: #ffffff;
  
  /* Surface Colors */
  --color-surface: #ffffff;
  --color-surface-variant: #f5f5f5;
  
  /* Border Colors */
  --color-border: #e0e0e0;
  --color-border-light: #f5f5f5;
  --color-border-dark: #bdbdbd;
  
  /* Shadow Colors */
  --color-shadow-light: rgba(0, 0, 0, 0.1);
  --color-shadow-medium: rgba(0, 0, 0, 0.15);
  --color-shadow-dark: rgba(0, 0, 0, 0.25);
  
  /* Gradient Definitions */
  --gradient-primary: linear-gradient(135deg, #1976d2 0%, #42a5f5 100%);
  --gradient-accent: linear-gradient(135deg, #ff9800 0%, #ffb74d 100%);
  --gradient-success: linear-gradient(135deg, #4caf50 0%, #81c784 100%);
  
  /* Spacing System */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border Radius System */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-round: 50%;
  
  /* Professional Shadow System */
  --shadow-xs: 0 1px 2px 0 var(--color-shadow-light);
  --shadow-sm: 0 1px 3px 0 var(--color-shadow-light), 0 1px 2px 0 var(--color-shadow-light);
  --shadow-md: 0 4px 6px -1px var(--color-shadow-light), 0 2px 4px -1px var(--color-shadow-light);
  --shadow-lg: 0 10px 15px -3px var(--color-shadow-light), 0 4px 6px -2px var(--color-shadow-light);
  --shadow-xl: 0 20px 25px -5px var(--color-shadow-light), 0 10px 10px -5px var(--color-shadow-light);
  --shadow-2xl: 0 25px 50px -12px var(--color-shadow-dark);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* ========================================
   SCSS VARIABLES (Build-time)
   ======================================== */

// Primary Brand Colors
$primary-color: #1976d2;
$primary-light: #42a5f5;
$primary-dark: #1565c0;
$secondary-color: #757575;
$accent-color: #ff9800;

// Semantic Colors
$success-color: #4caf50;
$warning-color: #ff9800;
$danger-color: #f44336;
$info-color: #2196f3;

// Text Colors
$text-primary: #212121;
$text-secondary: #757575;
$text-muted: #9e9e9e;
$text-disabled: #bdbdbd;
$black: #000000;
$white: #ffffff;

// Background Colors
$bg-primary: #ffffff;
$bg-secondary: #fafafa;
$bg-tertiary: #f5f5f5;

// Border Colors
$border-color: #e0e0e0;
$border-light: #f5f5f5;
$border-dark: #bdbdbd;

// Spacing System
$spacing-xs: 0.25rem;
$spacing-sm: 0.5rem;
$spacing-md: 1rem;
$spacing-base: 1rem;    // Same as md for compatibility
$spacing-lg: 1.5rem;
$spacing-xl: 2rem;
$spacing-xxl: 3rem;

// Typography Scale
$font-size-xs: 0.75rem;   // 12px
$font-size-sm: 0.875rem;  // 14px
$font-size-base: 1rem;    // 16px
$font-size-lg: 1.125rem;  // 18px
$font-size-xl: 1.25rem;   // 20px
$font-size-xxl: 1.5rem;   // 24px
$font-size-2xl: 1.5rem;   // 24px
$font-size-xxxl: 2rem;    // 32px
$font-size-3xl: 1.875rem; // 30px  
$font-size-4xl: 2.25rem;  // 36px
$font-size-5xl: 3rem;     // 48px

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

// Line Heights
$line-height-tight: 1.25;
$line-height-normal: 1.5;
$line-height-relaxed: 1.75;

// Font Families (Material Design Compatible)
$font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
$font-family-mono: Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

// Line Heights
$line-height-tight: 1.2;
$line-height-normal: 1.5;
$line-height-relaxed: 1.6;

// Border Radius System
$border-radius-sm: 4px;
$border-radius-md: 8px;
$border-radius-lg: 12px;
$border-radius-xl: 16px;
$border-radius-round: 50%;

// Breakpoints (Bootstrap Compatible)
$breakpoint-xs: 576px;
$breakpoint-sm: 768px;
$breakpoint-md: 992px;
$breakpoint-lg: 1200px;
$breakpoint-xl: 1400px;

/* ========================================
   PROFESSIONAL MIXINS
   ======================================== */

// Material Design Card Mixin
@mixin material-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-lg);
  transition: var(--transition-normal);
  
  &:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
  }
}

// Material Design Button Mixin
@mixin material-button($color: var(--color-primary)) {
  background-color: $color;
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: $font-weight-medium;
  transition: var(--transition-normal);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
  
  &:hover {
    filter: brightness(110%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
  }
  
  &:active {
    transform: translateY(0);
  }
  
  &:disabled {
    background-color: var(--color-text-disabled);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
  }
}

// Gradient Background Mixin
@mixin gradient-background($gradient: var(--gradient-primary)) {
  background: $gradient;
  color: var(--color-text-white);
}

// Professional Input Mixin
@mixin material-input {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-surface);
  transition: var(--transition-normal);
  font-size: $font-size-base;
  
  &:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.1);
    outline: none;
  }
  
  &::placeholder {
    color: var(--color-text-hint);
  }
}