:root {
  --tissa-bg: #0a1a0a;
  --tissa-bg-secondary: #0f2a0f;
  --tissa-card: #002a00;
  --tissa-card-hover: #1a3a1a;
  --tissa-black: #000000;
  --tissa-green: #ffffff;
  --tissa-green-dark: #00b894;
  --tissa-green-light: #00f5d4;
  --tissa-green-glow: rgba(0, 212, 170, 0.15);
  --tissa-text: #ffffff;
  --tissa-text-dim: #fffdfd;
  --tissa-text-muted: #686868;
  --tissa-border: rgba(255, 255, 255, 0.2);
  --tissa-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --tissa-shadow-green: 0 8px 25px rgb(136, 253, 144);
  --smoke-green: rgb(0, 212, 170, 0.08);
  --smoke-green-light: rgb(0, 245, 212, 0.12);
}

* { box-sizing: border-box; }

html, body {
  font-family: "Vazirmatn", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans";
  background:
    radial-gradient(circle at 20% 80%, var(--smoke-green-light) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--smoke-green) 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;
}

/* Smoke effect optimized: reduced opacity & slower animation */
html::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 90%, var(--smoke-green-light) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, var(--smoke-green) 0%, transparent 40%);
  opacity: 0.4;
  animation: smokeFloat 30s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes smokeFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(10px, -10px) scale(1.05); }
}

/* Topbar */
.topbar {
  background: rgba(10, 26, 10, 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: transform 0.3s ease, box-shadow 0.3s ease;
  font-weight: 500;
}

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

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

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

/* Header */
/* Enhanced Header */
header h1 {
  background: linear-gradient(135deg, var(--tissa-text), var(--tissa-green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgb(255, 255, 255);
  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(0, 212, 170, 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: transform 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
  box-shadow: var(--tissa-shadow);
}

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

.btn-menu .category-emoji {
  font-size: 2.8rem;
  display: block;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.3));
  transition: transform 0.3s ease, filter 0.3s ease;
}

.btn-menu:hover .category-emoji {
  transform: scale(1.05);
  filter: drop-shadow(0 0 12px rgba(0, 212, 170, 0.5));
}

/* Search */
.input-group {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--tissa-shadow);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.input-group-text,
.form-control {
  background: linear-gradient(145deg, var(--tissa-card), var(--tissa-bg-secondary)) !important;
  border: 1px solid var(--tissa-border) !important;
  color: var(--tissa-green) !important;
}
/* Form focus */
.form-control:focus {
  background: linear-gradient(145deg, var(--tissa-card-hover), var(--tissa-card)) !important;
  border-color: var(--tissa-green) !important;
  box-shadow: 0 0 0 0.2rem var(--tissa-green-glow) !important;
}

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

/* Product card */
.card-item {
  border-radius: 18px;
  background: linear-gradient(145deg, #0a1a0a, #0f2a0f); /* Dark green background */
  border: 1px solid var(--tissa-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  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-green), var(--tissa-green-light));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.card-item:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow: var(--tissa-shadow-green);
  border-color: var(--tissa-green);
}

/* Product image container */
.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: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card-item:hover .item-photo {
  border-color: var(--tissa-green);
  box-shadow: var(--tissa-shadow-green);
  transform: scale(1.03);
}

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

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

/* Product name */
.card-item .fw-semibold {
  color: white !important;
  font-weight: 600;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.card-item:hover .fw-semibold {
  color: white !important;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

/* Product description — now clamped for performance */
.food-description .full {
  display: none;
}

/* Enhanced Food Description */
.card-body .food-description {
  white-space: normal;    /* allow wrapping to new lines */
  overflow: visible;      /* don't hide overflow text */
  text-overflow: clip;
  font-size: 0.85rem;
  line-height: 1.5;
  color: white !important;
  margin: 8px 0;
}

/* Price text */
.card-text strong {
  color: white !important;
}

/* Add to cart button */
.add-to-cart-btn {
  background: transparent !important;
  border: 2px solid white !important;
  color: white !important;
  border-radius: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, color 0.3s ease;
  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, rgb(249, 250, 250), 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-green), var(--tissa-green-dark)) !important;
  color: var(--tissa-black) !important;
  transform: translateY(-2px) scale(1.04);
  box-shadow: var(--tissa-shadow-green);
}
/* Bottom navigation */
.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 1030;
  background: rgba(149, 147, 147, 0.623);
  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: transform 0.3s ease, color 0.3s ease, background 0.3s ease;
  position: relative;
}

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

.bottom-nav .nav-btn.active,
.bottom-nav .nav-btn:focus {
  color: var(--tissa-green);
  background: rgba(255, 255, 255, 0.946);
  transform: translateY(-2px);
}

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

.bottom-nav .nav-btn:hover i {
  transform: scale(1.05);
}

/* Cart badge */
.cart-badge {
  font-size: 0.7rem;
  font-weight: 600;
  background: linear-gradient(145deg, var(--tissa-green), var(--tissa-green-dark)) !important;
  box-shadow: 0 2px 8px rgba(0, 212, 170, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

/* Utility classes */
.text-success {
  color: var(--tissa-green) !important;
  text-shadow: 0 0 10px rgba(0, 212, 170, 0.3);
}

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

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

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

/* 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 shimmer */
@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-green);
  outline-offset: 2px;
}

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

/* Loader */
#loader {
  position: fixed;
  inset: 0;
  background-color: #0b2e13;
  color: #e0ffe0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity .4s ease;
}

#loader .logo {
  width: 120px;
  margin-bottom: 16px;
  animation: floatLogo 2s ease-in-out infinite;
}

#loader .message { font-weight: 600; }

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

/* Transparent loader for About page */
.transparent-loader {
  background-color: rgba(0,0,0,0);
  color: #fff;
}