/* ==========================================================================
   O'KEBAB GOURMET - DESIGN SYSTEM & CUSTOM STYLES
   ========================================================================== */

:root {
  --color-black: #0a0a0a;
  --color-dark-gray: #121212;
  --color-gray: #1e1e1e;
  
  /* HSL tailored palette */
  --color-red-hsl: 0, 85%, 55%;
  --color-yellow-hsl: 45%, 100%, 50%;
  
  --color-red: hsl(var(--color-red-hsl));
  --color-yellow: hsl(var(--color-yellow-hsl));
  
  --border-white-op: rgba(255, 255, 255, 0.08);
  --shadow-primary: 0 10px 30px rgba(0, 0, 0, 0.5);
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets & behavior */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-black);
  color: #f7fafc;
}

/* Custom Webkit scrollbars */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-black);
}
::-webkit-scrollbar-thumb {
  background: #2a2a2a;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-red);
}

/* ==========================================================================
   BUTTONS (Modern micro-animations)
   ========================================================================== */

.btn-kb-primary {
  background: linear-gradient(135deg, var(--color-red) 0%, #b82525 100%);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(229, 62, 98, 0.25);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-kb-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: skewX(-25deg);
  transition: 0.75s;
  opacity: 0;
}

.btn-kb-primary:hover::after {
  left: 125%;
  opacity: 1;
}

.btn-kb-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(229, 62, 98, 0.45);
}

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

.btn-kb-outline {
  background-color: transparent;
  color: #f7fafc;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition-smooth);
}

.btn-kb-outline:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-yellow);
  color: var(--color-yellow);
  transform: translateY(-2px);
}

/* ==========================================================================
   MENU CARDS & INTERACTIVES
   ========================================================================== */

.menu-card {
  background-color: var(--color-gray);
  border: 1px solid var(--border-white-op);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.menu-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(236, 201, 75, 0.08) 0%, rgba(229, 62, 62, 0.08) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
  pointer-events: none;
}

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

.menu-card:hover {
  transform: translateY(-6px);
  border-color: rgba(236, 201, 75, 0.25);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

/* Menu Tabs styling */
.menu-tab-btn {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #a0aec0;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.menu-tab-btn:hover {
  background-color: rgba(255, 255, 255, 0.07);
  color: #f7fafc;
}

.menu-tab-btn.active {
  background: linear-gradient(135deg, var(--color-red) 0%, #b82525 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(229, 62, 62, 0.3);
}

/* ==========================================================================
   CART SIDEBAR / MODAL
   ========================================================================== */

#cart-sidebar.open #cart-backdrop {
  opacity: 1;
  pointer-events: auto;
}

#cart-sidebar.open #cart-panel {
  transform: translateX(0);
}

/* Custom options checkbox card */
.custom-option-card {
  cursor: pointer;
  display: block;
  user-select: none;
}

.custom-option-card input:checked + .card-inner {
  background-color: rgba(236, 201, 75, 0.08);
  border-color: var(--color-yellow);
  color: var(--color-yellow);
  box-shadow: 0 0 10px rgba(236, 201, 75, 0.1);
}

.custom-option-card .card-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0.75rem 0.5rem;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  font-size: 0.75rem;
  font-weight: 600;
  transition: var(--transition-smooth);
  height: 100%;
}

.custom-option-card:hover .card-inner {
  border-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.04);
}

/* Modal animation triggers */
#custom-modal.open,
#receipt-modal.open {
  display: flex !important;
}

#custom-modal.open #modal-content,
#receipt-modal.open #receipt-content {
  transform: scale(1);
}

/* Receipt Modal Theme */
#receipt-content {
  color: #1a202c;
  background: radial-gradient(circle at top left, #fff, #fafafa);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9);
}

/* Loading animations */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.fa-spin {
  animation: spin 1s linear infinite;
}

/* ==========================================================================
   LOYALTY CARD (TAMPONS)
   ========================================================================== */

.stamp-slot {
  aspect-ratio: 1;
  border-radius: 16px;
  background-color: rgba(255, 255, 255, 0.02);
  border: 2px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-yellow);
}

.stamp-slot.stamped {
  background: linear-gradient(135deg, var(--color-red) 0%, #b82525 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: white;
  box-shadow: 0 4px 15px rgba(229, 62, 62, 0.35);
  transform: scale(1.05);
  animation: stampPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes stampPop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1.05); opacity: 1; }
}

.stamp-slot.reward {
  border-color: var(--color-yellow);
  color: var(--color-yellow);
  background-color: rgba(236, 201, 75, 0.05);
}

.stamp-slot.reward.stamped {
  background: linear-gradient(135deg, var(--color-yellow) 0%, #d69e2e 100%);
  border-color: transparent;
  color: var(--color-black);
  box-shadow: 0 4px 15px rgba(236, 201, 75, 0.4);
  animation: giftGlow 2s infinite alternate;
}

@keyframes giftGlow {
  0% { box-shadow: 0 4px 15px rgba(236, 201, 75, 0.3); transform: scale(1.05); }
  100% { box-shadow: 0 4px 25px rgba(236, 201, 75, 0.6); transform: scale(1.1); }
}

/* ==========================================================================
   ADMIN ORDERS LIST
   ========================================================================== */

.admin-order-card {
  background-color: var(--color-gray);
  border: 1px solid var(--border-white-op);
  border-radius: 20px;
  padding: 1.5rem;
  transition: var(--transition-smooth);
}

.admin-order-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.admin-order-card.ready {
  border-left: 4px solid #10b981;
}

.admin-order-card.pending {
  border-left: 4px solid var(--color-yellow);
}

.admin-order-card.preparing {
  border-left: 4px solid #f97316;
}

.admin-order-card.sold {
  border-left: 4px solid #3b82f6;
}

/* Scrollbar Hider Utility */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

/* ==========================================================================
   MOBILE BOTTOM NAVIGATION BAR STYLING
   ========================================================================== */
.mobile-nav-tab {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), color 0.25s ease;
  position: relative;
  overflow: visible;
}

.mobile-nav-tab:active {
  transform: scale(0.92);
}

.mobile-nav-tab.active {
  color: var(--color-yellow) !important;
  transform: scale(1.06);
}

.mobile-nav-tab.active i {
  filter: drop-shadow(0 0 4px rgba(236, 201, 75, 0.4));
  animation: tabBump 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes tabBump {
  0% { transform: scale(0.8); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.mobile-nav-tab::after {
  content: '';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 14px;
  height: 3px;
  background-color: var(--color-yellow);
  border-radius: 99px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-tab.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* ==========================================================================
   CLIENT ORDERS LIVE TRACKING STYLING
   ========================================================================== */
.client-order-card {
  transition: var(--transition-smooth);
  border-left: 4px solid transparent;
}

.client-order-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.client-order-card.pending {
  border-left-color: var(--color-yellow) !important;
}

.client-order-card.preparing {
  border-left-color: #f97316 !important;
}

.client-order-card.ready {
  border-left-color: #10b981 !important;
  animation: readyPulse 2s infinite ease-in-out;
}

.client-order-card.sold {
  border-left-color: #3b82f6 !important;
  opacity: 0.85;
}

@keyframes readyPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.2);
  }
  50% {
    box-shadow: 0 0 15px 2px rgba(16, 185, 129, 0.3);
    border-color: rgba(16, 185, 129, 0.4);
  }
}