/* ===================================
   CSS VARIABLES - OrdexApp
   All colors, fonts, and common values
   =================================== */

:root {
    /* Brand Colors */
    --yellow-light: #fffbeb;
    --yellow-normal: #fbbf24;
    --yellow-dark: #d97706;
    --green-light: #f0fdf4;
    --green-normal: #22c55e;
    --green-dark: #16a34a;
    
    /* Base Colors */
    --black: #000000;
    --white: #ffffff;
    --gray-light: #f9fafb;
    --gray-normal: #6b7280;
    --gray-dark: #374151;
    
    /* Extended Color Palette */
    --yellow-50: #fffbeb;
    --yellow-100: #fef3c7;
    --yellow-200: #fde68a;
    --yellow-300: #fcd34d;
    --yellow-400: #fbbf24;
    --yellow-500: #f59e0b;
    --yellow-600: #d97706;
    --yellow-700: #b45309;
    --yellow-800: #92400e;
    --yellow-900: #78350f;
    
    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-300: #93c5fd;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    --blue-900: #1e3a8a;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --red-50: #fef2f2;
    --red-100: #fee2e2;
    --red-200: #fecaca;
    --red-300: #fca5a5;
    --red-400: #f87171;
    --red-500: #ef4444;
    --red-600: #dc2626;
    --red-700: #b91c1c;
    --red-800: #991b1b;
    --red-900: #7f1d1d;
    
    /* Typography */
    --font-family-primary: 'Inter', 'Cairo', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.125rem;
    --radius-base: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-glow-green: 0 0 30px rgba(34, 197, 94, 0.3);
    --shadow-glow-yellow: 0 0 30px rgba(251, 191, 36, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    --transition-cubic: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Animation Durations */
    --duration-fast: 0.15s;
    --duration-base: 0.3s;
    --duration-slow: 0.5s;
    --duration-slower: 0.8s;
    --duration-slowest: 1s;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* Breakpoints (for reference in media queries) */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--yellow-normal) 0%, var(--green-normal) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--green-normal) 0%, var(--yellow-normal) 100%);
    --gradient-hero: linear-gradient(135deg, var(--white) 0%, var(--green-light) 30%, var(--yellow-light) 70%, var(--white) 100%);
    --gradient-card: linear-gradient(135deg, var(--yellow-light) 0%, var(--yellow-normal) 50%, var(--green-normal) 100%);
    
    /* Backdrop Filters */
    --backdrop-blur-sm: blur(4px);
    --backdrop-blur-base: blur(8px);
    --backdrop-blur-md: blur(12px);
    --backdrop-blur-lg: blur(16px);
    --backdrop-blur-xl: blur(24px);
    
    /* Opacity Values */
    --opacity-0: 0;
    --opacity-5: 0.05;
    --opacity-10: 0.1;
    --opacity-20: 0.2;
    --opacity-25: 0.25;
    --opacity-30: 0.3;
    --opacity-40: 0.4;
    --opacity-50: 0.5;
    --opacity-60: 0.6;
    --opacity-70: 0.7;
    --opacity-75: 0.75;
    --opacity-80: 0.8;
    --opacity-90: 0.9;
    --opacity-95: 0.95;
    --opacity-100: 1;
}

/* RTL/LTR Direction Support */
[dir="rtl"] {
    --text-align-start: right;
    --text-align-end: left;
    --margin-start: margin-right;
    --margin-end: margin-left;
    --padding-start: padding-right;
    --padding-end: padding-left;
    --border-start: border-right;
    --border-end: border-left;
}

[dir="ltr"] {
    --text-align-start: left;
    --text-align-end: right;
    --margin-start: margin-left;
    --margin-end: margin-right;
    --padding-start: padding-left;
    --padding-end: padding-right;
    --border-start: border-left;
    --border-end: border-right;
}

/* Dark Mode Support (for future use) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: var(--gray-900);
        --bg-secondary: var(--gray-800);
        --text-primary: var(--white);
        --text-secondary: var(--gray-300);
        --border-color: var(--gray-700);
    }
}

/* Light Mode (default) */
:root {
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --border-color: var(--gray-200);
}