/* ============================================================
   Initial Safety - initialsafety.sa
   Fire Safety Company - Main Stylesheet
   Theme: Red (#dc2626) + Black (#111827) + White
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+Arabic:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   1. CSS Custom Properties
   ============================================================ */
:root {
  /* Primary Palette */
  --color-primary: #dc2626;
  --color-primary-light: #ef4444;
  --color-primary-dark: #b91c1c;
  --color-primary-50: #fef2f2;
  --color-primary-100: #fee2e2;
  --color-primary-200: #fecaca;
  --color-primary-600: #dc2626;
  --color-primary-700: #b91c1c;
  --color-primary-800: #991b1b;
  --color-primary-900: #7f1d1d;

  /* Neutral Palette */
  --color-black: #111827;
  --color-black-light: #1f2937;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-white: #ffffff;

  /* Functional Colors */
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-info: #2563eb;
  --color-danger: #dc2626;

  /* Typography */
  --font-arabic: 'Noto Sans Arabic', sans-serif;
  --font-english: 'Inter', sans-serif;

  /* Spacing */
  --section-padding-y: 5rem;
  --section-padding-x: 1.5rem;
  --container-max: 1280px;

  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-red: 0 10px 30px -5px rgba(220, 38, 38, 0.3);
  --shadow-red-lg: 0 20px 40px -5px rgba(220, 38, 38, 0.4);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-navbar: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;
}

/* ============================================================
   2. Base & Reset Enhancements
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-arabic);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ============================================================
   3. RTL / LTR Support
   ============================================================ */
[dir="rtl"] body,
.rtl {
  font-family: var(--font-arabic);
  direction: rtl;
  text-align: right;
}

[dir="ltr"] body,
.ltr {
  font-family: var(--font-english);
  direction: ltr;
  text-align: left;
}

[dir="rtl"] .flip-rtl {
  transform: scaleX(-1);
}

[dir="rtl"] .mr-auto {
  margin-right: unset;
  margin-left: auto;
}

[dir="rtl"] .ml-auto {
  margin-left: unset;
  margin-right: auto;
}

[dir="rtl"] .text-left {
  text-align: right;
}

[dir="rtl"] .text-right {
  text-align: left;
}

.rtl-space-reverse > * + * {
  margin-right: 0.5rem;
  margin-left: 0;
}

[dir="ltr"] .rtl-space-reverse > * + * {
  margin-left: 0.5rem;
  margin-right: 0;
}

/* ============================================================
   4. Typography
   ============================================================ */
.font-arabic {
  font-family: var(--font-arabic);
}

.font-english {
  font-family: var(--font-english);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-gray-900);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-fire {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 40%, #b91c1c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   5. Keyframe Animations
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(220, 38, 38, 0.4),
                0 0 20px rgba(220, 38, 38, 0.1);
  }
  50% {
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.6),
                0 0 40px rgba(220, 38, 38, 0.2);
  }
}

@keyframes counter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

@keyframes ember-rise {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-120px) scale(0.3);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(100%) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(100%) scale(0.95);
  }
}

/* Animation Utility Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease forwards;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease forwards;
}

.animate-slide-down {
  animation: slideDown 0.4s ease forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 2s ease-in-out infinite;
}

.animate-counter {
  animation: counter 0.5s ease forwards;
}

/* Staggered Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* ============================================================
   6. Glass Morphism
   ============================================================ */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.glass-dark {
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-white {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ============================================================
   7. Card Hover Effects
   ============================================================ */
.card-hover {
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 35px -5px rgba(220, 38, 38, 0.15),
              0 5px 15px -3px rgba(0, 0, 0, 0.08);
  border-color: rgba(220, 38, 38, 0.3);
}

.card-hover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-base);
  box-shadow: inset 0 0 0 1px rgba(220, 38, 38, 0.3);
  pointer-events: none;
}

.card-hover:hover::after {
  opacity: 1;
}

.card-glow {
  position: relative;
  transition: all var(--transition-base);
}

.card-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-primary), transparent, var(--color-primary));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.card-glow:hover::before {
  opacity: 1;
}

/* ============================================================
   8. Hero Section
   ============================================================ */
.hero-gradient {
  background: linear-gradient(
    135deg,
    var(--color-black) 0%,
    #1a1a2e 30%,
    #16213e 60%,
    var(--color-black) 100%
  );
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 150%;
  background: radial-gradient(
    ellipse at center,
    rgba(220, 38, 38, 0.12) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.hero-gradient::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-white), transparent);
  pointer-events: none;
}

.hero-dark-gradient {
  background: linear-gradient(
    180deg,
    var(--color-black) 0%,
    var(--color-black-light) 50%,
    var(--color-primary-900) 100%
  );
}

.hero-pattern {
  background-image:
    radial-gradient(circle at 20% 80%, rgba(220, 38, 38, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
}

/* ============================================================
   9. Section Styling
   ============================================================ */
.section-padding {
  padding: var(--section-padding-y) var(--section-padding-x);
}

.section-padding-sm {
  padding: 3rem var(--section-padding-x);
}

.section-padding-lg {
  padding: 7rem var(--section-padding-x);
}

.section-dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

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

.section-gradient {
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.section-divider {
  position: relative;
}

.section-divider::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  border-radius: var(--radius-full);
}

/* ============================================================
   10. Navbar
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  transition: all var(--transition-base);
  padding: 1rem 0;
}

.navbar-transparent {
  background: transparent;
}

.navbar-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 0.5rem 0;
}

.navbar-scrolled .nav-link {
  color: var(--color-gray-700);
}

.navbar-scrolled .nav-link:hover {
  color: var(--color-primary);
}

.nav-link {
  position: relative;
  padding: 0.5rem 0.75rem;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-base);
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 70%;
}

.nav-link.active {
  color: var(--color-primary);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   11. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  line-height: 1.5;
  white-space: nowrap;
  font-family: inherit;
}

.btn:active {
  transform: scale(0.97);
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-red);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn-secondary:hover {
  background-color: var(--color-black-light);
  border-color: var(--color-black-light);
  box-shadow: var(--shadow-lg);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* Outline White */
.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

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

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  background-color: var(--color-primary-50);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-xl {
  padding: 1.125rem 2.75rem;
  font-size: 1.1rem;
}

/* Icon Button */
.btn-icon {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: var(--radius-lg);
}

/* ============================================================
   12. Form Styling
   ============================================================ */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-gray-700);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

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

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='%236b7280'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 0.75rem center;
  background-size: 1.25rem;
  padding-left: 2.5rem;
}

[dir="ltr"] .form-select {
  background-position: right 0.75rem center;
  padding-left: 1rem;
  padding-right: 2.5rem;
}

.form-error {
  color: var(--color-danger);
  font-size: 0.8rem;
  margin-top: 0.35rem;
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-danger);
}

/* ============================================================
   13. Badge / Tag Styles
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.5;
}

.badge-primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge-dark {
  background-color: var(--color-gray-800);
  color: var(--color-white);
}

.badge-outline {
  background-color: transparent;
  border: 1px solid var(--color-gray-300);
  color: var(--color-gray-600);
}

.badge-success {
  background-color: #dcfce7;
  color: #166534;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-info {
  background-color: #dbeafe;
  color: #1e40af;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  transition: all var(--transition-base);
  cursor: pointer;
}

.tag:hover {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

.tag.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================
   14. Blog Prose Styling
   ============================================================ */
.prose {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-gray-700);
}

.prose h2 {
  font-size: 1.6rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-gray-900);
}

.prose h3 {
  font-size: 1.3rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-gray-900);
}

.prose p {
  margin-bottom: 1.25rem;
}

.prose a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.prose img {
  border-radius: var(--radius-xl);
  margin: 2rem 0;
}

.prose blockquote {
  border-right: 4px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background-color: var(--color-gray-50);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-gray-600);
}

[dir="ltr"] .prose blockquote {
  border-right: none;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.prose ul,
.prose ol {
  padding-right: 1.5rem;
  margin-bottom: 1.25rem;
}

[dir="ltr"] .prose ul,
[dir="ltr"] .prose ol {
  padding-right: 0;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose code {
  background-color: var(--color-gray-100);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

.prose pre {
  background-color: var(--color-gray-900);
  color: var(--color-gray-100);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.5rem 0;
}

.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.prose th,
.prose td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
  text-align: right;
}

[dir="ltr"] .prose th,
[dir="ltr"] .prose td {
  text-align: left;
}

.prose th {
  background-color: var(--color-gray-50);
  font-weight: 600;
}

/* ============================================================
   15. Admin Panel Base Styles
   ============================================================ */
.admin-sidebar {
  width: 260px;
  min-height: 100vh;
  background-color: var(--color-black);
  color: var(--color-white);
  position: fixed;
  right: 0;
  top: 0;
  transition: transform var(--transition-base);
  z-index: var(--z-sticky);
}

[dir="ltr"] .admin-sidebar {
  right: auto;
  left: 0;
}

.admin-sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  color: var(--color-gray-400);
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.admin-sidebar-link:hover,
.admin-sidebar-link.active {
  background-color: rgba(220, 38, 38, 0.1);
  color: var(--color-white);
}

.admin-sidebar-link.active {
  background-color: var(--color-primary);
}

.admin-content {
  margin-right: 260px;
  padding: 2rem;
  min-height: 100vh;
  background-color: var(--color-gray-50);
}

[dir="ltr"] .admin-content {
  margin-right: 0;
  margin-left: 260px;
}

.admin-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
}

.admin-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-stat-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-100);
  color: var(--color-primary);
}

/* ============================================================
   16. Loading Spinner
   ============================================================ */
.spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 1.25rem;
  height: 1.25rem;
  border-width: 2px;
}

.spinner-lg {
  width: 3.5rem;
  height: 3.5rem;
  border-width: 4px;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(4px);
}

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

/* ============================================================
   17. Fire-Themed Decorative Elements
   ============================================================ */
.fire-border {
  border-image: linear-gradient(
    180deg,
    var(--color-primary-light) 0%,
    var(--color-primary) 50%,
    var(--color-primary-dark) 100%
  ) 1;
}

.fire-border-top {
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--color-primary), transparent) 1;
}

.fire-border-bottom {
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--color-primary), transparent) 1;
}

.fire-glow {
  box-shadow: 0 0 20px rgba(220, 38, 38, 0.15),
              0 0 60px rgba(220, 38, 38, 0.05);
}

/* Ember Particles */
.ember-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.ember {
  position: absolute;
  bottom: -10px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: ember-rise 3s ease-out infinite;
  opacity: 0.7;
  filter: blur(1px);
}

.ember:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 3s; }
.ember:nth-child(2) { left: 25%; animation-delay: 0.5s; animation-duration: 3.5s; }
.ember:nth-child(3) { left: 40%; animation-delay: 1s; animation-duration: 2.8s; }
.ember:nth-child(4) { left: 55%; animation-delay: 1.5s; animation-duration: 3.2s; }
.ember:nth-child(5) { left: 70%; animation-delay: 0.3s; animation-duration: 3.8s; }
.ember:nth-child(6) { left: 85%; animation-delay: 0.8s; animation-duration: 2.5s; }
.ember:nth-child(7) { left: 15%; animation-delay: 2s; animation-duration: 3.3s; }
.ember:nth-child(8) { left: 60%; animation-delay: 1.2s; animation-duration: 2.9s; }

.fire-accent {
  position: relative;
}

.fire-accent::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--color-primary-light),
    var(--color-primary),
    var(--color-primary-dark)
  );
  border-radius: var(--radius-full);
}

[dir="ltr"] .fire-accent::before {
  right: auto;
  left: 0;
}

/* ============================================================
   18. Toast / Notification Styles
   ============================================================ */
.toast-container {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

[dir="ltr"] .toast-container {
  left: auto;
  right: 1.5rem;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
  min-width: 300px;
  max-width: 420px;
  pointer-events: auto;
  animation: toast-in 0.35s ease forwards;
}

.toast.toast-exit {
  animation: toast-out 0.3s ease forwards;
}

.toast-success {
  border-right: 4px solid var(--color-success);
}

.toast-error {
  border-right: 4px solid var(--color-danger);
}

.toast-warning {
  border-right: 4px solid var(--color-warning);
}

.toast-info {
  border-right: 4px solid var(--color-info);
}

[dir="ltr"] .toast-success { border-right: none; border-left: 4px solid var(--color-success); }
[dir="ltr"] .toast-error { border-right: none; border-left: 4px solid var(--color-danger); }
[dir="ltr"] .toast-warning { border-right: none; border-left: 4px solid var(--color-warning); }
[dir="ltr"] .toast-info { border-right: none; border-left: 4px solid var(--color-info); }

.toast-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-gray-900);
  margin-bottom: 0.15rem;
}

.toast-message {
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

.toast-close {
  flex-shrink: 0;
  cursor: pointer;
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-gray-700);
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-gray-400) var(--color-gray-100);
}

/* ============================================================
   20. Responsive Utilities
   ============================================================ */
.container-custom {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-padding-x);
}

.hide-mobile {
  display: block;
}

.show-mobile {
  display: none;
}

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-padding-y: 4rem;
  }

  .admin-sidebar {
    transform: translateX(100%);
  }

  [dir="ltr"] .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-content {
    margin-right: 0;
    margin-left: 0;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding-y: 3rem;
    --section-padding-x: 1rem;
  }

  .hide-mobile {
    display: none !important;
  }

  .show-mobile {
    display: block !important;
  }

  .prose {
    font-size: 1rem;
  }

  .prose h2 {
    font-size: 1.35rem;
  }

  .prose h3 {
    font-size: 1.15rem;
  }

  .btn-lg,
  .btn-xl {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }

  .toast-container {
    left: 0.75rem;
    right: 0.75rem;
  }

  .toast {
    min-width: unset;
    max-width: unset;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  :root {
    --section-padding-x: 0.75rem;
  }
}

/* ============================================================
   21. Utility Helpers
   ============================================================ */
.bg-primary { background-color: var(--color-primary); }
.bg-primary-light { background-color: var(--color-primary-light); }
.bg-primary-dark { background-color: var(--color-primary-dark); }
.bg-black { background-color: var(--color-black); }

.text-primary { color: var(--color-primary); }
.text-primary-dark { color: var(--color-primary-dark); }
.text-white { color: var(--color-white); }
.text-muted { color: var(--color-gray-500); }

.border-primary { border-color: var(--color-primary); }

.hover-lift {
  transition: transform var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-brightness {
  transition: filter var(--transition-base);
}

.hover-brightness:hover {
  filter: brightness(1.1);
}

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

.overflow-hidden {
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Selection Color */
::selection {
  background-color: rgba(220, 38, 38, 0.15);
  color: var(--color-primary-dark);
}

/* Focus Visible */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print */
@media print {
  .navbar,
  .mobile-menu,
  .toast-container,
  .loading-overlay {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }
}