/* ================================================================
   🎨 AFELTA CORE CSS — v1.0.0
   Single source of truth for all CSS Variables & Base Styles
   
   ⚠️  قاعدة صارمة:
   - هذا الملف هو المرجع الوحيد لـ CSS Variables
   - لا يجوز تعريف --primary أو --color-primary في أي ملف آخر
   - الملفات الأخرى تستخدم هذه المتغيرات ولا تعيد تعريفها
   ================================================================ */

/* ================================================================
   SECTION 1: DESIGN TOKENS (Brand + Semantic)
   ================================================================ */

:root {

    /* ──── Brand Color — Orange ──── */
    --primary:        #E8541A;
    --primary-dark:   #C94414;
    --primary-light:  #F06A30;
    --primary-rgb:    232, 84, 26;   /* for rgba() usage */

    /* Aliases so old & new code both work */
    --color-primary:       var(--primary);
    --color-primary-dark:  var(--primary-dark);
    --color-primary-light: var(--primary-light);

    /* ──── Secondary ──── */
    --secondary:           #D44A10;
    --secondary-dark:      #B03A0C;
    --secondary-light:     #F07040;
    --color-secondary:     var(--secondary);

    /* ──── Accent ──── */
    --accent:              #F59E0B;
    --color-accent:        var(--accent);

    /* ──── Status ──── */
    --success:        #10B981;
    --warning:        #F59E0B;
    --danger:         #EF4444;
    --error:          #EF4444;
    --info:           #3B82F6;

    --color-success:  var(--success);
    --color-warning:  var(--warning);
    --color-error:    var(--error);
    --color-danger:   var(--danger);
    --color-info:     var(--info);

    /* ──── Neutrals ──── */
    --white:          #ffffff;
    --black:          #000000;
    --color-white:    #ffffff;
    --color-black:    #000000;

    --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;

    /* Aliases with color- prefix */
    --color-gray-50:  var(--gray-50);
    --color-gray-100: var(--gray-100);
    --color-gray-200: var(--gray-200);
    --color-gray-300: var(--gray-300);
    --color-gray-400: var(--gray-400);
    --color-gray-500: var(--gray-500);
    --color-gray-600: var(--gray-600);
    --color-gray-700: var(--gray-700);
    --color-gray-800: var(--gray-800);
    --color-gray-900: var(--gray-900);

    /* ──── Gradients ──── */
    --gradient-primary:   linear-gradient(135deg, #E8541A 0%, #C94414 100%);
    --gradient-secondary: linear-gradient(135deg, #D44A10 0%, #B03A0C 100%);
    --gradient-hero:      linear-gradient(-45deg, #E8541A, #C94414, #F06A30, #D44A10);
    --gradient-dark:      linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);

    /* ================================================================
       SECTION 2: SPACING
       ================================================================ */

    --space-xs:   0.25rem;   /* 4px  */
    --space-sm:   0.5rem;    /* 8px  */
    --space-md:   1rem;      /* 16px */
    --space-lg:   1.5rem;    /* 24px */
    --space-xl:   2rem;      /* 32px */
    --space-2xl:  3rem;      /* 48px */
    --space-3xl:  4rem;      /* 64px */

    /* Legacy aliases */
    --spacing-xs:  var(--space-xs);
    --spacing-sm:  var(--space-sm);
    --spacing-md:  var(--space-md);
    --spacing-lg:  var(--space-lg);
    --spacing-xl:  var(--space-xl);
    --spacing-2xl: var(--space-2xl);
    --spacing-3xl: var(--space-3xl);

    /* ================================================================
       SECTION 3: TYPOGRAPHY
       ================================================================ */

    --font-base:              'Cairo', 'Segoe UI', Tahoma, sans-serif;
    --font-family-primary:    var(--font-base);
    --font-family-secondary:  'Inter', sans-serif;

    --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-2xl:  1.5rem;     /* 24px */
    --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;
    --font-weight-extrabold:  800;

    --line-height-tight:   1.25;
    --line-height-normal:  1.5;
    --line-height-relaxed: 1.75;

    /* ================================================================
       SECTION 4: BORDERS & RADIUS
       ================================================================ */

    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   16px;
    --radius-xl:   20px;
    --radius-full: 9999px;

    /* Legacy aliases */
    --border-radius-sm:   4px;
    --border-radius-md:   var(--radius-sm);
    --border-radius-lg:   var(--radius-md);
    --border-radius-xl:   var(--radius-lg);
    --border-radius-2xl:  var(--radius-xl);
    --border-radius-full: var(--radius-full);

    /* ================================================================
       SECTION 5: SHADOWS
       ================================================================ */

    --shadow-sm:  0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md:  0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg:  0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl:  0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    --shadow-primary: 0 8px 24px rgba(232, 84, 26, 0.3);

    /* ================================================================
       SECTION 6: TRANSITIONS
       ================================================================ */

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Legacy aliases */
    --transition: var(--transition-base);

    /* ================================================================
       SECTION 7: LAYOUT
       ================================================================ */

    --container-max: 1280px;
    --container-max-width: var(--container-max);
    --container-padding: var(--space-md);

    --header-height:      140px;
    --topbar-height:      40px;
    --main-header-height: 80px;
    --nav-height:         50px;

    /* 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;
}

/* ================================================================
   SECTION 8: GLOBAL RESET & BASE STYLES
   ================================================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--gray-900);
    background: var(--gray-50);
    direction: rtl;
    text-align: right;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

a:hover { color: var(--primary); }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

ul, ol { list-style: none; }

/* ================================================================
   SECTION 9: CONTAINER & LAYOUT UTILITIES
   ================================================================ */

.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
    width: 100%;
}

/* ================================================================
   SECTION 10: TYPOGRAPHY UTILITIES
   ================================================================ */

.text-primary   { color: var(--primary) !important; }
.text-secondary { color: var(--gray-600) !important; }
.text-success   { color: var(--success) !important; }
.text-danger    { color: var(--danger) !important; }
.text-warning   { color: var(--warning) !important; }
.text-muted     { color: var(--gray-500) !important; }

.text-center { text-align: center; }
.text-start  { text-align: start; }
.text-end    { text-align: end; }

.fw-normal    { font-weight: var(--font-weight-normal); }
.fw-medium    { font-weight: var(--font-weight-medium); }
.fw-semibold  { font-weight: var(--font-weight-semibold); }
.fw-bold      { font-weight: var(--font-weight-bold); }
.fw-extrabold { font-weight: var(--font-weight-extrabold); }

/* ================================================================
   SECTION 11: COMMON BUTTON STYLES
   ================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    font-family: inherit;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    line-height: 1;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}
.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.btn-sm { padding: 0.375rem 0.875rem; font-size: var(--font-size-xs); }
.btn-lg { padding: 0.875rem 1.75rem;  font-size: var(--font-size-lg); }

/* ================================================================
   SECTION 12: BADGE UTILITIES
   ================================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
}

.badge-primary { background: var(--primary);        color: white; }
.badge-success { background: var(--success);        color: white; }
.badge-warning { background: var(--warning);        color: white; }
.badge-danger  { background: var(--danger);         color: white; }
.badge-info    { background: var(--info);           color: white; }
.badge-gray    { background: var(--gray-100);       color: var(--gray-700); border: 1px solid var(--gray-200); }

/* ================================================================
   SECTION 13: FORM UTILITIES
   ================================================================ */

.form-control {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--gray-900);
    background: white;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

/* ================================================================
   SECTION 14: LOADING & SHIMMER
   ================================================================ */

.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Lazy image placeholder */
img[data-src],
img[data-lazy] {
    background: var(--gray-100);
    min-height: 100px;
}

img.loaded {
    animation: img-fade-in 0.3s ease;
}

@keyframes img-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ================================================================
   SECTION 15: TOAST NOTIFICATION STYLES
   ================================================================ */

.toast-container {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    min-width: 300px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    background: white;
    box-shadow: var(--shadow-xl);
    border-right: 4px solid var(--primary);
    pointer-events: all;
    animation: toast-in var(--transition-base) ease forwards;
}

.toast.success { border-right-color: var(--success); }
.toast.error   { border-right-color: var(--danger); }
.toast.warning { border-right-color: var(--warning); }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   SECTION 16: CLS PREVENTION (Core Web Vitals)
   ================================================================ */

/* Reserve space to prevent layout shift */
.site-header-pro,
.site-header,
header { min-height: var(--header-height, 64px); }

.hero-master,
.hero-section { min-height: 400px; }

.banner-section { min-height: 80px; }

/* Product images get aspect ratio */
.product-image-wrapper,
.card-image-section,
.product-thumb { aspect-ratio: 1 / 1; }

/* ================================================================
   SECTION 17: WHATSAPP FLOAT BUTTON
   ================================================================ */

.whatsapp-float,
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    left: 2rem;  /* RTL: نار اليسار = يمين */
    z-index: var(--z-fixed);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    text-decoration: none;
}

.whatsapp-float:hover,
.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    color: white;
}

/* ================================================================
   SECTION 18: ACCESSIBILITY
   ================================================================ */

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ================================================================
   SECTION 19: RTL UTILITIES
   ================================================================ */

[dir="rtl"] .dropdown-menu { right: 0; left: auto; }
[dir="ltr"] .dropdown-menu { left: 0; right: auto; }

/* Flip icons that have direction in RTL */
[dir="rtl"] .icon-flip-rtl { transform: scaleX(-1); }

/* Star rating colors */
.icon-star-filled { color: #f59e0b; }
.icon-star-empty  { color: #d1d5db; }

/* ================================================================
   SECTION 20: RESPONSIVE GRID UTILITIES
   ================================================================ */

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-md); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4,
    .grid-3,
    .grid-2 { grid-template-columns: 1fr; }
    .grid-auto { grid-template-columns: repeat(2, 1fr); }

    .container { padding-inline: var(--space-sm); }
}

/* ================================================================
   EOF: afelta-core.css
   ================================================================ */