:root {
  /* Backgrounds */
  --tissa-bg: #4e4e4e; /* deep black */
  --tissa-bg-secondary: #000000; /* slightly lighter black */
  --tissa-card: #201e1e;
  --tissa-card-hover: #332e2e;

  /* Core colors */
  --tissa-black: #000000;
  --tissa-red: #f4f0f0; /* primary red */
  --tissa-red-dark: #eeff00;
  --tissa-red-light: #c5c201;
  --tissa-red-glow: rgba(198, 40, 40, 0.15);

  /* Text */
  --tissa-text: #FFFFFF; /* white text */
  --tissa-text-dim: #fefdfd; /* softer red for accents */
  --tissa-text-muted: #999999;

  /* Borders & shadows */
  --tissa-border: rgba(0, 0, 0, 0.2);
  --tissa-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --tissa-shadow-red: 0 8px 25px rgba(255, 230, 3, 0.865);

  /* Smoke effect colors */
  --smoke-red: rgb(100, 100, 100);
  --smoke-red-light: rgb(73, 73, 73);
}

* { box-sizing: border-box; }

html, body {
  font-family: "Vazirmatn", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: 
    radial-gradient(circle at 20% 80%, var(--smoke-red-light) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--smoke-red) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, var(--smoke-red) 0%, transparent 50%),
    linear-gradient(135deg, var(--tissa-bg) 0%, var(--tissa-bg-secondary) 100%);
  color: var(--tissa-text);
  min-height: 100vh;
  scroll-behavior: smooth;
  position: relative;
}

/* Animated smoke effect */
html::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: 
    radial-gradient(circle at 10% 90%, var(--smoke-red-light) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, var(--smoke-red) 0%, transparent 40%),
    radial-gradient(circle at 30% 70%, var(--smoke-red) 0%, transparent 40%),
    radial-gradient(circle at 70% 30%, var(--smoke-red-light) 0%, transparent 40%);
  opacity: 0.6;
  animation: smokeFloat 20s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes smokeFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  25% { transform: translate(-20px, -10px) scale(1.1); opacity: 0.8; }
  50% { transform: translate(10px, -20px) scale(0.9); opacity: 0.7; }
  75% { transform: translate(-10px, 10px) scale(1.05); opacity: 0.9; }
}

/* Topbar */
.topbar {
  background: rgba(11, 11, 11, 0.95) !important;
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--tissa-border) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.topbar .btn {
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
}

.topbar .btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--tissa-shadow-red);
}

/* Logo */
.logo-circle {
  width: 100px; height: 100px;
  border-radius: 50%;
  border: 3px solid var(--tissa-red);
  background: linear-gradient(145deg, var(--tissa-card), var(--tissa-bg-secondary));
  box-shadow: var(--tissa-shadow-red), inset 0 2px 10px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.logo-circle::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent, rgba(198, 40, 40, 0.1), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

.logo-circle:hover::before { transform: rotate(225deg); }

.logo-circle.placeholder::after {
  content: "T";
  color: var(--tissa-red);
  font-weight: 900;
  font-size: 48px;
  text-shadow: 0 0 20px rgba(198, 40, 40, 0.5);
}

.logo-circle img { object-fit: cover; width: 100%; height: 100%; border-radius: 50%; }

/* Header */
header h1 {
  background: linear-gradient(135deg, var(--tissa-text), var(--tissa-red-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(198, 40, 40, 0.3);
  font-weight: 800;
  letter-spacing: -0.5px;
}

header a {
  transition: all 0.3s ease;
  border-radius: 6px;
  padding: 4px 8px;
}

header a:hover {
  background: rgba(198, 40, 40, 0.1);
  transform: translateY(-1px);
}

/* Menu Buttons */
.btn-menu {
  background: linear-gradient(145deg, var(--tissa-card), var(--tissa-bg-secondary));
  color: var(--tissa-text);
  border: 1px solid var(--tissa-border);
  border-radius: 16px;
  padding: 20px 12px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--tissa-shadow);
}

.btn-menu::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(198, 40, 40, 0.1), transparent);
  transition: left 0.6s ease;
}

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

.btn-menu:hover, .btn-menu:focus {
  background: linear-gradient(145deg, var(--tissa-card-hover), var(--tissa-card));
  color: var(--tissa-red-light);
  border-color: var(--tissa-red);
  transform: translateY(-3px);
  box-shadow: var(--tissa-shadow-red);
}

.btn-menu .category-emoji { 
  font-size: 2.8rem; 
  display: block;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 10px rgba(198, 40, 40, 0.3));
  transition: all 0.3s ease;
}

.btn-menu:hover .category-emoji {
  transform: scale(1.1);
  filter: drop-shadow(0 0 15px rgba(198, 40, 40, 0.5));
}

.btn-menu .menu-label { 
  line-height: 1.2; 
  position: relative; 
  z-index: 1; 
}

.btn-menu .menu-label .en { 
  font-weight: 700; 
  font-size: 1rem; 
  color: var(--tissa-text); 
}

.btn-menu .menu-label .fa { 
  font-size: 0.9rem; 
  color: var(--tissa-text-dim); 
}
/* Enhanced Search */
.input-group {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--tissa-shadow);
  transition: all 0.3s ease;
}

.input-group:focus-within {
  box-shadow: var(--tissa-shadow-red);
  transform: translateY(-1px);
}

.input-group-text {
  background: linear-gradient(145deg, var(--tissa-card), var(--tissa-bg-secondary)) !important;
  border: 1px solid var(--tissa-border) !important;
  color: var(--tissa-red) !important;
}

.form-control {
  background: linear-gradient(145deg, var(--tissa-card), var(--tissa-bg-secondary)) !important;
  border: 1px solid var(--tissa-border) !important;
  color: var(--tissa-text) !important;
  transition: all 0.3s ease;
}

.form-control:focus {
  background: linear-gradient(145deg, var(--tissa-card-hover), var(--tissa-card)) !important;
  border-color: var(--tissa-red) !important;
  box-shadow: 0 0 0 0.2rem var(--tissa-red-glow) !important;
}

::placeholder { 
  color: var(--tissa-text-muted) !important; 
  opacity: 0.8; 
}

/* Enhanced Item Cards */
.card-item { 
  border-radius: 18px; 
  background: linear-gradient(145deg, var(--tissa-card), var(--tissa-bg-secondary));
  border: 1px solid var(--tissa-border);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--tissa-shadow);
}

.card-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--tissa-red), var(--tissa-red-light));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card-item:hover::before { transform: scaleX(1); }

.card-item:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--tissa-shadow-red);
  border-color: var(--tissa-red);
}

.item-photo {
  width: 100px; height: 100px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--tissa-border);
  background: linear-gradient(145deg, var(--tissa-card), var(--tissa-bg-secondary));
  box-shadow: var(--tissa-shadow);
  transition: all 0.3s ease;
  position: relative;
}

.card-item:hover .item-photo {
  border-color: var(--tissa-red);
  box-shadow: var(--tissa-shadow-red);
  transform: scale(1.05);
}

.item-photo.placeholder { 
  display: grid; 
  place-items: center; 
  color: var(--tissa-text-muted); 
  font-size: 2rem;
}

.item-photo img { 
  width: 100%; height: 100%; 
  object-fit: cover; 
  transition: all 0.3s ease;
}

.card-item:hover .item-photo img { transform: scale(1.1); }

/* Food Product Name - Same color as price */
.card-item .fw-semibold {
  color: var(--tissa-red) !important;
  font-weight: 600;
  text-shadow: 0 0 8px rgba(198, 40, 40, 0.2);
  transition: all 0.3s ease;
}

.card-item:hover .fw-semibold {
  color: var(--tissa-red-light) !important;
  text-shadow: 0 0 12px rgba(198, 40, 40, 0.4);
}

/* Food Description */
.food-description {
  font-size: 0.85rem;
  line-height: 1.5;
  max-height: 3.6em;
  overflow: hidden;
  color: var(--tissa-text-dim) !important;
  margin: 8px 0;
}

/* Add to Cart Button */
.add-to-cart-btn {
  background: linear-gradient(145deg, transparent, transparent) !important;
  border: 2px solid var(--tissa-red) !important;
  color: var(--tissa-red) !important;
  border-radius: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  position: relative;
  overflow: hidden;
}

.add-to-cart-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(198, 40, 40, 0.1), transparent);
  transition: left 0.6s ease;
}

.add-to-cart-btn:hover::before { left: 100%; }

.add-to-cart-btn:hover {
  background: linear-gradient(145deg, var(--tissa-red), var(--tissa-red-dark)) !important;
  color: var(--tissa-black) !important;
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--tissa-shadow-red);
}
/* Enhanced Bottom Navbar */
.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 1030;
  background: rgba(11, 11, 11, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--tissa-border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.bottom-nav .nav-btn {
  color: var(--tissa-text-dim);
  text-decoration: none;
  border-radius: 12px;
  padding: 8px 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.bottom-nav .nav-btn i { 
  font-size: 1.3rem; 
  transition: all 0.3s ease;
}

.bottom-nav .nav-btn.active,
.bottom-nav .nav-btn:focus {
  color: var(--tissa-red);
  background: rgba(198, 40, 40, 0.1);
  transform: translateY(-2px);
}

.bottom-nav .nav-btn:hover {
  color: var(--tissa-red-light);
  transform: translateY(-1px);
}

.bottom-nav .nav-btn:hover i { transform: scale(1.1); }

.cart-badge { 
  font-size: 0.7rem; 
  font-weight: 600;
  background: linear-gradient(145deg, var(--tissa-red), var(--tissa-red-dark)) !important;
  box-shadow: 0 2px 8px rgba(198, 40, 40, 0.3);
  animation: pulse 2s infinite;
}

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

/* Utility Classes */
.text-success { 
  color: var(--tissa-red) !important; 
  text-shadow: 0 0 10px rgba(198, 40, 40, 0.3);
}

.btn-outline-success { 
  border-color: var(--tissa-red) !important; 
  color: var(--tissa-red) !important; 
}

.btn-outline-success:hover { 
  background: linear-gradient(145deg, var(--tissa-red), var(--tissa-red-dark)) !important; 
  color: var(--tissa-black) !important; 
  box-shadow: var(--tissa-shadow-red);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--tissa-bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--tissa-red), var(--tissa-red-dark));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--tissa-red-light), var(--tissa-red));
}

/* Make room for bottom nav */
body { padding-bottom: 80px; }

/* Responsive Tweaks */
@media (min-width: 992px) {
  .logo-circle { width: 120px; height: 120px; }
  .item-photo { width: 120px; height: 120px; }
  .btn-menu .category-emoji { font-size: 3.2rem; }
  .btn-menu { padding: 24px 16px; }
}

/* Loading Animation */
@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

.loading {
  background: linear-gradient(90deg, var(--tissa-card) 25%, var(--tissa-bg-secondary) 50%, var(--tissa-card) 75%);
  background-size: 200px 100%;
  animation: shimmer 1.5s infinite;
}

/* Focus States */
*:focus {
  outline: 2px solid var(--tissa-red);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--tissa-red);
  color: var(--tissa-black);
}
::-moz-selection {
  background: var(--tissa-red);
  color: var(--tissa-black);
}

/* Description text */
.description {
  color: #f0f0f0; /* light gray/white */
}