/**
 * Alam Al-Sinaa Design System
 * Premium industrial-grade styling
 * Brand Colors: Primary #0281de, Secondary #fe7b00
 */

/* ============================================================
   CSS VARIABLES - DESIGN TOKENS
   ============================================================ */

:root {
  /* Brand Colors */
  --color-primary: #0281de;
  --color-primary-dark: #0168b5;
  --color-primary-light: #3399e5;
  --color-primary-rgb: 2, 129, 222;
  --color-secondary: #fe7b00;
  --color-secondary-dark: #e56e00;
  --color-secondary-light: #ff9633;
  --color-secondary-rgb: 254, 123, 0;
  
  /* Surfaces */
  --color-bg: #f8f9fa;
  --color-bg-alt: #ffffff;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-dark: #1a1d23;
  --color-bg-dark-elevated: #252830;
  --color-bg-dark-card: #2d323e;
  
  /* Text */
  --color-text-primary: #1a1d23;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #718096;
  --color-text-muted: #a0aec0;
  --color-text-inverse: #ffffff;
  --color-text-primary-rgb: 26, 29, 35;
  
  /* Borders */
  --color-border: #e2e8f0;
  --color-border-light: #edf2f7;
  --color-border-dark: #4a5568;
  
  /* Feedback */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 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-primary: 0 4px 14px rgba(var(--color-primary-rgb), 0.25);
  --shadow-secondary: 0 4px 14px rgba(var(--color-secondary-rgb), 0.25);
  
  /* Neumorphism (subtle - for cards, buttons, inputs only) */
  --shadow-neu-raised: 5px 5px 12px rgba(160, 174, 192, 0.28), -5px -5px 12px rgba(255, 255, 255, 0.7);
  --shadow-neu-btn: 3px 3px 8px rgba(160, 174, 192, 0.28), -3px -3px 8px rgba(255, 255, 255, 0.75);
  --shadow-neu-inset: inset 2px 2px 5px rgba(160, 174, 192, 0.25), inset -2px -2px 5px rgba(255, 255, 255, 0.65);
  
  /* Electric / brand gradients */
  --gradient-electric: linear-gradient(120deg, var(--color-primary) 0%, #29a6ff 45%, var(--color-secondary) 100%);
  --gradient-electric-soft: radial-gradient(circle at 30% 20%, rgba(var(--color-primary-rgb), 0.16), transparent 55%),
                            radial-gradient(circle at 80% 80%, rgba(var(--color-secondary-rgb), 0.14), transparent 55%);
  --gradient-spark: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  
  /* Typography — --main-font is set inline per-page from the "site_font"
     admin setting (see includes/header.php); Tajawal remains the default. */
  --main-font: 'Tajawal';
  --font-primary: var(--main-font), 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-secondary: 'Inter', 'Segoe UI', system-ui, sans-serif;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;
  
  /* Layout */
  --container-max: 1280px;
  --container-padding: 1.5rem;
  --header-height: 72px;
  --ad-bar-height: 40px;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}

/* ============================================================
   DARK THEME
   ============================================================ */

[data-theme="dark"] {
  --color-bg: #0f1117;
  --color-bg-alt: #1a1d23;
  --color-bg-elevated: #252830;
  --color-bg-card: #2d323e;
  
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary: #64748b;
  --color-text-muted: #475569;
  
  --color-border: #374151;
  --color-border-light: #2d3748;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  
  /* Neumorphism - dark surfaces need lighter "highlight" and deeper "shadow" */
  --shadow-neu-raised: 5px 5px 12px rgba(0, 0, 0, 0.45), -5px -5px 12px rgba(255, 255, 255, 0.025);
  --shadow-neu-btn: 3px 3px 8px rgba(0, 0, 0, 0.45), -3px -3px 8px rgba(255, 255, 255, 0.03);
  --shadow-neu-inset: inset 2px 2px 5px rgba(0, 0, 0, 0.4), inset -2px -2px 5px rgba(255, 255, 255, 0.02);
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  direction: rtl;
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

body[dir="ltr"] {
  direction: ltr;
}

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

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

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

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

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

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

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-tertiary);
}

/* Selection */
::selection {
  background: var(--color-primary);
  color: white;
}

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

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-center { text-align: center !important; }

.font-bold { font-weight: 700 !important; }
.font-semibold { font-weight: 600 !important; }
.font-medium { font-weight: 500 !important; }

.text-sm { font-size: 0.875rem !important; }
.text-lg { font-size: 1.125rem !important; }
.text-xl { font-size: 1.25rem !important; }

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1440px;
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.flex {
  display: flex;
}

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

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

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

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

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  min-height: 44px;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.35);
}

.btn-primary::before,
.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -60%;
  width: 40%;
  background: linear-gradient(115deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
  pointer-events: none;
}

.btn-primary:hover::before,
.btn-secondary:hover::before {
  left: 130%;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

.btn:hover::before {
  transform: translateX(100%);
}

/* Ripple (created via JS on click) */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: rgba(255, 255, 255, 0.45);
  pointer-events: none;
  animation: rippleEffect 0.6s ease-out;
}

.btn-outline .btn-ripple,
.btn-ghost .btn-ripple {
  background: rgba(var(--color-primary-rgb), 0.25);
}

@keyframes rippleEffect {
  to {
    transform: scale(2.8);
    opacity: 0;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: var(--shadow-primary), var(--shadow-neu-btn);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.35), var(--shadow-neu-btn);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: white;
  box-shadow: var(--shadow-secondary), var(--shadow-neu-btn);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-secondary-rgb), 0.35), var(--shadow-neu-btn);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background: var(--color-bg-alt);
  color: var(--color-text-primary);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  min-height: 36px;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1.125rem;
  min-height: 52px;
}

.btn-full {
  width: 100%;
}

.btn .btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-neu-raised);
}

.card:hover {
  box-shadow: var(--shadow-lg), 0 0 0 3px rgba(var(--color-primary-rgb), 0.14);
  transform: translateY(-4px);
  border-color: transparent;
}

.card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--color-bg-alt);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-slow);
}

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

.card-body {
  padding: var(--space-6);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.card-text {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ============================================================
   FORMS
   ============================================================ */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: 1rem;
  color: var(--color-text-primary);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  min-height: 44px;
  box-shadow: var(--shadow-neu-inset);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-neu-inset), 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
  outline: none;
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 1rem center;
  padding-left: 3rem;
}

.form-control-lg {
  padding: var(--space-4) var(--space-5);
  font-size: 1.125rem;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* ============================================================
   ALERTS / FLASH MESSAGES
   ============================================================ */

.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.alert-success {
  background: var(--color-success-light);
  color: #065f46;
  border: 1px solid var(--color-success);
}

.alert-warning {
  background: var(--color-warning-light);
  color: #92400e;
  border: 1px solid var(--color-warning);
}

.alert-danger {
  background: var(--color-danger-light);
  color: #991b1b;
  border: 1px solid var(--color-danger);
}

.alert-info {
  background: var(--color-info-light);
  color: #1e40af;
  border: 1px solid var(--color-info);
}

/* ============================================================
   FLASH MESSAGES
   ============================================================ */

.flash-messages {
  position: fixed;
  top: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  width: 90%;
  max-width: 500px;
}

.flash-message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: var(--space-3);
  animation: slideInDown 0.3s ease, fadeOut 0.3s ease 4.7s;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.flash-success {
  background: var(--color-success-light);
  color: #065f46;
  border-right: 4px solid var(--color-success);
}

.flash-danger {
  background: var(--color-danger-light);
  color: #991b1b;
  border-right: 4px solid var(--color-danger);
}

.flash-warning {
  background: var(--color-warning-light);
  color: #92400e;
  border-right: 4px solid var(--color-warning);
}

.flash-info {
  background: var(--color-info-light);
  color: #1e40af;
  border-right: 4px solid var(--color-info);
}

.flash-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.flash-close:hover {
  opacity: 1;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-primary {
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.16), rgba(var(--color-primary-rgb), 0.08));
  color: var(--color-primary);
  border: 1px solid rgba(var(--color-primary-rgb), 0.22);
}

.badge-secondary {
  background: linear-gradient(135deg, rgba(var(--color-secondary-rgb), 0.16), rgba(var(--color-secondary-rgb), 0.08));
  color: var(--color-secondary);
  border: 1px solid rgba(var(--color-secondary-rgb), 0.22);
}

.badge-success {
  background: var(--color-success-light);
  color: #065f46;
  gap: var(--space-2);
}

.badge-success::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s infinite;
}

.badge-warning {
  background: var(--color-warning-light);
  color: #92400e;
}

.badge-danger {
  background: var(--color-danger-light);
  color: #991b1b;
}

/* Solid "electric" badges - for callouts like "New" / "Best Seller" */
.badge-new {
  background: var(--gradient-spark);
  color: #fff;
  border: none;
  box-shadow: 0 2px 10px rgba(var(--color-secondary-rgb), 0.35);
}

.badge-bestseller {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: #fff;
  border: none;
  box-shadow: 0 2px 10px rgba(var(--color-secondary-rgb), 0.35);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes slideInDown {
  from { opacity: 0; transform: translate(-50%, -20px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

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

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.3); }
  50% { box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.6); }
}

@keyframes iconWiggle {
  0%, 100% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(-10deg) scale(1.08); }
  75% { transform: rotate(10deg) scale(1.08); }
}

@keyframes sparkPulseRing {
  0% { box-shadow: 0 0 0 0 rgba(var(--color-secondary-rgb), 0.45); }
  100% { box-shadow: 0 0 0 14px rgba(var(--color-secondary-rgb), 0); }
}

@keyframes waPulseRing {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45); }
  100% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
}

.animate-fadeIn { animation: fadeIn 0.5s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.3s ease forwards; }
.animate-slideInRight { animation: slideInRight 0.5s ease forwards; }

/* Stagger delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   SKELETON LOADING
   ============================================================ */

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

/* ============================================================
   CUSTOM LOADER - "ENERGY METER" SPINNER
   Circular dial spinning between primary/secondary, replacing
   generic spinners with something on-brand (electric meter / breaker).
   Usage: <span class="spinner-breaker" aria-hidden="true"></span>
   ============================================================ */

.spinner-breaker {
  --spinner-size: 40px;
  display: inline-block;
  width: var(--spinner-size);
  height: var(--spinner-size);
  border-radius: 50%;
  background: conic-gradient(var(--color-primary) 0deg, var(--color-secondary) 110deg, transparent 110deg 360deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 5px));
  animation: spin 0.85s linear infinite;
}

.spinner-breaker.spinner-sm {
  --spinner-size: 20px;
}

.spinner-breaker.spinner-lg {
  --spinner-size: 64px;
}

/* ============================================================
   SCROLL PROGRESS BAR
   ============================================================ */

.scroll-progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-spark);
  z-index: var(--z-toast);
  transition: width 0.15s ease-out;
  box-shadow: 0 0 8px rgba(var(--color-primary-rgb), 0.5);
}

/* ============================================================
   CUSTOM CURSOR (desktop only, opt-out via body[data-custom-cursor="off"])
   ============================================================ */

.custom-cursor-active,
.custom-cursor-active a,
.custom-cursor-active button,
.custom-cursor-active .btn {
  cursor: none;
}

.custom-cursor-dot,
.custom-cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.custom-cursor-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.custom-cursor-ring {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid rgba(var(--color-primary-rgb), 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease, width 0.25s ease, height 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.custom-cursor-bolt {
  font-size: 0.8rem;
}

@media (max-width: 1024px) {
  .custom-cursor-dot,
  .custom-cursor-ring {
    display: none;
  }
}

/* ============================================================
   EMPTY STATE (no results / no products / 404)
   ============================================================ */

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-4);
}

.empty-state-icon {
  width: 96px;
  height: 96px;
  margin: 0 auto var(--space-5);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1), rgba(var(--color-secondary-rgb), 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  position: relative;
}

.empty-state-icon svg {
  width: 40px;
  height: 40px;
}

.empty-state-icon::after {
  content: '⚡';
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient-spark);
  color: #fff;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(var(--color-secondary-rgb), 0.4);
}

.empty-state-text {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.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;
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

.mt-4 { margin-top: var(--space-4) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

.p-4 { padding: var(--space-4) !important; }
.p-6 { padding: var(--space-6) !important; }
.p-8 { padding: var(--space-8) !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --header-height: 64px;
  }
  
  .section { padding: var(--space-12) 0; }
  .section-lg { padding: var(--space-16) 0; }
  
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 { grid-template-columns: 1fr; }
  
  .flash-messages {
    width: 95%;
    top: var(--space-4);
  }
}

@media (max-width: 480px) {
  .btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: 1rem;
  }
  
  .section { padding: var(--space-10) 0; }
}