/* ===========================================
   التاج للمستلزمات الطبية - الأنماط الرئيسية
   Al Taj Medical Supplies - Main Styles
   =========================================== */

/* ============ CSS Variables ============ */
:root {
  /* ============ الهوية البصرية: أحمر + أزرق فقط ============ */
  
  /* الأحمر - Red Brand */
  --red-main: #DC2626;
  --red-light: #FEE2E2;
  --red-dark: #991B1B;
  --red-accent: #EF4444;
  --red-glow: rgba(220, 38, 38, 0.25);
  --red-50: #FEF2F2;
  --red-100: #FEE2E2;
  --red-500: #DC2626;
  --red-600: #B91C1C;
  --red-700: #991B1B;

  /* الأزرق - Blue Brand */
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --primary-200: #BFDBFE;
  --primary-300: #93C5FD;
  --primary-400: #60A5FA;
  --primary-500: #0A2463;
  --primary-600: #081E54;
  --primary-700: #061845;
  --primary-800: #041236;
  --primary-900: #020C27;
  --primary-light: #1E40AF;
  --primary-lighter: #2563EB;

  /* الثانوي = أزرق فاتح (بدل تركوازي) */
  --secondary-50: #EFF6FF;
  --secondary-100: #DBEAFE;
  --secondary-200: #BFDBFE;
  --secondary-300: #93C5FD;
  --secondary-400: #60A5FA;
  --secondary-500: #2563EB;
  --secondary-600: #1D4ED8;
  --secondary-700: #1E40AF;
  --secondary-800: #1E3A8A;
  --secondary-900: #172554;
  --secondary-light: #3B82F6;

  /* استبدال التركوازي بالأزرق */
  --accent-teal: #1E40AF;
  --accent-teal-light: #3B82F6;

  /* ألوان محايدة */
  --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;

  /* ألوان الحالات - مبنية على الأحمر والأزرق */
  --success: #1E40AF;
  --warning: #DC2626;
  --error: #DC2626;
  --info: #2563EB;

  /* الخطوط */
  --font-primary: 'Almarai', 'Cairo', 'Segoe UI', Tahoma, sans-serif;
  --font-english: 'Montserrat', 'Inter', 'Segoe UI', sans-serif;
  --font-heading: 'Almarai', sans-serif;

  /* المسافات */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* الظلال */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* الحدود */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* الانتقالات */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ============ Reset & Base ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* RTL Support */
body.rtl {
  direction: rtl;
  text-align: right;
}

body.ltr {
  direction: ltr;
  text-align: left;
}

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

a:hover {
  color: var(--primary-500);
}

/* ============ Focus Visible - Accessibility ============ */
:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Skip Navigation Link */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-500);
  color: white;
  padding: 12px 24px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  z-index: 10000;
  font-weight: 700;
  transition: top 0.3s ease;
}

.skip-nav:focus {
  top: 0;
  color: white;
}

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

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
}

/* ============ Typography ============ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--gray-800);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
}

/* ============ Container ============ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  font-family: var(--font-primary);
  position: relative;
  overflow: hidden;
  z-index: 1;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: none;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: width 0.3s ease;
  z-index: -1;
}

.btn:hover::after {
  width: 100%;
}

.btn-primary {
  background: var(--primary-500);
  color: white;
  box-shadow: var(--shadow-md);
  border: none;
}

.btn-primary:hover {
  background: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(10, 36, 99, 0.2);
}

.btn-secondary {
  background: white;
  border: 1px solid var(--gray-200);
  color: var(--gray-800);
  border: none;
}

.btn-secondary:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-500);
  color: var(--primary-500);
}

.btn-outline:hover {
  background: var(--primary-500);
  color: white;
}

.btn-whatsapp {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-light));
  color: white;
  border: none;
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-500));
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-light));
  color: white;
  border: none;
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-teal-light), var(--accent-teal));
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

/* ============ Forms ============ */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: white;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(30, 77, 140, 0.1);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-input.error {
  border-color: var(--error);
}

.form-error {
  font-size: 0.75rem;
  color: var(--error);
  margin-top: var(--spacing-xs);
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 12px center;
  background-size: 20px;
  padding-left: 40px;
}

body.ltr select.form-input {
  background-position: right 12px center;
  padding-left: var(--spacing-md);
  padding-right: 40px;
}

/* ============ Cards ============ */
.card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-body {
  padding: var(--spacing-lg);
}

/* ============ Badges ============ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.badge-sale {
  background: var(--secondary-500);
  color: white;
}

.badge-new {
  background: var(--success);
  color: white;
}

.badge-featured {
  background: var(--warning);
  color: white;
}

.badge-out-of-stock {
  background: var(--gray-500);
  color: white;
}

/* ============ Grid System ============ */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

  .lg\:grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .md\:grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .md\:grid-cols-2 {
    grid-template-columns: repeat(1, 1fr);
  }
}

@media (max-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============ Flex Utilities ============ */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-1 {
  gap: var(--spacing-xs);
}

.gap-2 {
  gap: var(--spacing-sm);
}

.gap-3 {
  gap: var(--spacing-md);
}

.gap-4 {
  gap: var(--spacing-lg);
}

/* ============ Spacing Utilities ============ */
.m-0 {
  margin: 0;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.my-2 {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.my-3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.my-4 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.p-0 {
  padding: 0;
}

.p-2 {
  padding: var(--spacing-sm);
}

.p-3 {
  padding: var(--spacing-md);
}

.p-4 {
  padding: var(--spacing-lg);
}

.py-2 {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.py-3 {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.py-4 {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.px-2 {
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.px-3 {
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.px-4 {
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

/* ============ Text Utilities ============ */
.text-center {
  text-align: center;
}

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

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

.text-sm {
  font-size: 0.875rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-3xl {
  font-size: 2rem;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.text-primary {
  color: var(--primary-500);
}

.text-secondary {
  color: var(--secondary-500);
}

.text-gray {
  color: var(--gray-500);
}

.text-success {
  color: var(--success);
}

.text-error {
  color: var(--error);
}

.text-white {
  color: white;
}

/* ============ Background Utilities ============ */
.bg-white {
  background-color: white;
}

.bg-gray-50 {
  background-color: var(--gray-50);
}

.bg-gray-100 {
  background-color: var(--gray-100);
}

.bg-primary {
  background-color: var(--primary-500);
}

.bg-primary-light {
  background-color: var(--primary-50);
}

/* ============ Border Utilities ============ */
.border {
  border: 1px solid var(--gray-200);
}

.border-t {
  border-top: 1px solid var(--gray-200);
}

.border-b {
  border-bottom: 1px solid var(--gray-200);
}

.rounded {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.rounded-full {
  border-radius: var(--radius-full);
}

/* ============ Shadow Utilities ============ */
.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

/* ============ Display Utilities ============ */
.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.inline-flex {
  display: inline-flex;
}

@media (max-width: 768px) {
  .md\:hidden {
    display: none;
  }

  .md\:block {
    display: block;
  }
}

@media (max-width: 640px) {
  .sm\:hidden {
    display: none;
  }

  .sm\:block {
    display: block;
  }
}

/* ============ Position Utilities ============ */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

.top-0 {
  top: 0;
}

.left-0 {
  left: 0;
}

.right-0 {
  right: 0;
}

.bottom-0 {
  bottom: 0;
}

.inset-0 {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.z-10 {
  z-index: 10;
}

.z-20 {
  z-index: 20;
}

.z-50 {
  z-index: 50;
}

/* ============ Width & Height ============ */
.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.min-h-screen {
  min-height: 100vh;
}

/* ============ Overflow ============ */
.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.overflow-x-auto {
  overflow-x: auto;
}

/* ============ Transitions ============ */
.transition {
  transition: all var(--transition-normal);
}

.transition-fast {
  transition: all var(--transition-fast);
}

/* ============ Cursor ============ */
.cursor-pointer {
  cursor: pointer;
}

.cursor-not-allowed {
  cursor: not-allowed;
}

/* ============ Opacity ============ */
.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

/* ============ Animations ============ */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-fade-in {
  animation: fadeIn 0.3s ease;
}

.animate-slide-up {
  animation: slideUp 0.4s ease;
}

/* ============ Scrollbar ============ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ============ Selection ============ */
::selection {
  background: var(--primary-200);
  color: var(--primary-900);
}

/* ============ WhatsApp Float Button ============ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 60px;
  height: 60px;
  background: var(--primary-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  box-shadow: 0 4px 20px rgba(10, 36, 99, 0.4);
  z-index: 999;
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}

body.ltr .whatsapp-float {
  left: auto;
  right: 24px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(10, 36, 99, 0.5);
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 4px 20px rgba(10, 36, 99, 0.4);
  }

  50% {
    box-shadow: 0 4px 30px rgba(10, 36, 99, 0.6);
  }
}

/* ============ Toast Notifications ============ */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1f2937;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-success {
  background: var(--primary-light, #1E40AF);
}

.toast-error {
  background: var(--red-main, #DC2626);
}

.toast-info {
  background: var(--secondary-light, #3B82F6);
}

.toast i {
  font-size: 1.1rem;
}

/* ============ Cart Empty State ============ */
.cart-empty {
  text-align: center;
  padding: 48px 24px;
}

.cart-empty-icon {
  width: 80px;
  height: 80px;
  background: #f3f4f6;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.cart-empty-icon i {
  font-size: 2.5rem;
  color: #9ca3af;
}

.cart-empty h4 {
  font-size: 1.25rem;
  color: #374151;
  margin-bottom: 8px;
}

.cart-empty p {
  color: #6b7280;
  margin-bottom: 24px;
  /* لمسة حمراء للخلفية في بعض العناصر */
}

/* لمسة حمراء للأزرار المميزة */
.btn-red {
  background: var(--red-main);
  color: #fff;
  border: none;
  transition: background 0.3s;
}

.btn-red:hover {
  background: var(--red-dark);
}

/* لمسة حمراء في العناوين */
.section-title .red-dot {
  color: var(--red-main);
  font-size: 1.5rem;
  vertical-align: middle;
  margin-left: 6px;
}

/* حركة بسيطة */
.animate-bounce {
  animation: bounce 1.2s infinite alternate;
}

@keyframes bounce {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(-10px);
  }
}