/* ============================================================================
   🌊 LIQUID GLASS DESIGN SYSTEM - Roblox Arabic Hub
   Premium Glassmorphism with Dynamic Light Effects
   ============================================================================ */

/* ============= BASE GLASS CARD ============= */
.card,
.glass-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Inner Glow Effect */
.card::before,
.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.4) 50%, 
    transparent 100%
  );
  opacity: 0.6;
}

/* Shine Effect on Hover */
.card::after,
.glass-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 40%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 60%
  );
  transform: translateX(-100%) rotate(45deg);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.card:hover::after,
.glass-card:hover::after {
  transform: translateX(100%) rotate(45deg);
}

/* Hover State */
.card:hover,
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 
    var(--glass-shadow),
    0 0 40px rgba(46, 174, 209, 0.15),
    inset 0 0 30px rgba(255, 255, 255, 0.03);
  border-color: rgba(46, 174, 209, 0.3);
}

/* ============= LIGHT MODE GLASS ============= */
html[data-theme="light"] .card,
html[data-theme="light"] .glass-card {
  background: rgba(255, 255, 255, 0.65);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

html[data-theme="light"] .card:hover,
html[data-theme="light"] .glass-card:hover {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.12),
    0 0 30px rgba(46, 174, 209, 0.1),
    inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

/* ============= DARK MODE GLASS ============= */
html[data-theme="dark"] .card,
html[data-theme="dark"] .glass-card {
  background: rgba(13, 33, 38, 0.5);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

html[data-theme="dark"] .card:hover,
html[data-theme="dark"] .glass-card:hover {
  background: rgba(13, 33, 38, 0.65);
  box-shadow: 
    0 16px 48px rgba(0, 0, 0, 0.5),
    0 0 50px rgba(46, 174, 209, 0.12),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* ============= PREMIUM GLASS VARIANTS ============= */

/* Primary Glass */
.glass-primary {
  background: linear-gradient(135deg, 
    rgba(46, 174, 209, 0.15) 0%, 
    rgba(25, 185, 230, 0.08) 100%
  );
  border-color: rgba(46, 174, 209, 0.3);
}

.glass-primary:hover {
  background: linear-gradient(135deg, 
    rgba(46, 174, 209, 0.25) 0%, 
    rgba(25, 185, 230, 0.15) 100%
  );
}

/* Success Glass */
.glass-success {
  background: linear-gradient(135deg, 
    rgba(16, 185, 129, 0.15) 0%, 
    rgba(16, 185, 129, 0.05) 100%
  );
  border-color: rgba(16, 185, 129, 0.3);
}

/* Warning Glass */
.glass-warning {
  background: linear-gradient(135deg, 
    rgba(245, 158, 11, 0.15) 0%, 
    rgba(245, 158, 11, 0.05) 100%
  );
  border-color: rgba(245, 158, 11, 0.3);
}

/* Error Glass */
.glass-error {
  background: linear-gradient(135deg, 
    rgba(239, 68, 68, 0.15) 0%, 
    rgba(239, 68, 68, 0.05) 100%
  );
  border-color: rgba(239, 68, 68, 0.3);
}

/* ============= LIQUID BUTTONS ============= */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  white-space: nowrap;
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 
    0 4px 15px rgba(46, 174, 209, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent
  );
  transition: left 0.5s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 25px rgba(46, 174, 209, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  color: var(--text);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

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

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

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

/* Button Sizes */
.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 10px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 17px;
  border-radius: 16px;
}

/* ============= GLASS INPUTS ============= */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  transition: all 0.3s ease;
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 
    0 0 0 4px rgba(46, 174, 209, 0.15),
    0 4px 20px rgba(0, 0, 0, 0.1);
  background: var(--bg-card);
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--muted);
}

/* ============= GLASS MODALS ============= */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active,
.modal-overlay[style*="flex"] {
  opacity: 1;
  visibility: visible;
}

.modal-content,
.modal-content.card {
  position: relative;
  width: 100%;
  max-width: 500px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  background: var(--bg-card);
  backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: 
    0 25px 80px rgba(0, 0, 0, 0.4),
    0 0 100px rgba(46, 174, 209, 0.1),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  animation: modalSlideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html[data-theme="light"] .modal-content {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 
    0 25px 80px rgba(0, 0, 0, 0.2),
    0 0 100px rgba(46, 174, 209, 0.08);
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
  transform: rotate(90deg);
}

/* ============= GLASS HEADER ============= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.header.scrolled {
  background: var(--bg-card);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 24px;
  max-width: 1400px;
  margin: 0 auto;
  gap: 20px;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.brand .dot {
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.nav a {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 10px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--primary);
  background: rgba(46, 174, 209, 0.1);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ============= GLASS ALERTS / TOASTS ============= */
.alert {
  padding: 16px 20px;
  border-radius: 14px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.alert-success {
  background: var(--success-bg);
  border-color: rgba(16, 185, 129, 0.3);
}

.alert-warning {
  background: var(--warning-bg);
  border-color: rgba(245, 158, 11, 0.3);
}

.alert-error {
  background: var(--error-bg);
  border-color: rgba(239, 68, 68, 0.3);
}

.alert-info {
  background: var(--info-bg);
  border-color: rgba(59, 130, 246, 0.3);
}

/* ============= GLASS TABLES ============= */
.table-container {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 14px 18px;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

th {
  background: rgba(0, 0, 0, 0.1);
  font-weight: 600;
  color: var(--text);
}

html[data-theme="light"] th {
  background: rgba(0, 0, 0, 0.03);
}

tr:hover {
  background: rgba(46, 174, 209, 0.05);
}

tr:last-child td {
  border-bottom: none;
}

/* ============= GLASS BADGES ============= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.badge-primary {
  background: rgba(46, 174, 209, 0.15);
  color: var(--primary);
  border-color: rgba(46, 174, 209, 0.3);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.3);
}

.badge-error {
  background: var(--error-bg);
  color: var(--error);
  border-color: rgba(239, 68, 68, 0.3);
}

/* ============= STAT CARDS ============= */
.stat-card {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.stat-badge {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 14px;
  font-size: 24px;
}

/* ============= LOADING SKELETON ============= */
.skeleton {
  background: linear-gradient(90deg, 
    var(--glass-bg) 25%, 
    rgba(255, 255, 255, 0.1) 50%, 
    var(--glass-bg) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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

/* ============= LIQUID ANIMATIONS ============= */
.floating {
  animation: floating 3s ease-in-out infinite;
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger Animation Delays */
.reveal-1 { transition-delay: 0.1s; }
.reveal-2 { transition-delay: 0.2s; }
.reveal-3 { transition-delay: 0.3s; }
.reveal-4 { transition-delay: 0.4s; }