:root {
  --bg: #0d0a1a;
  --bg2: #110e22;
  --card: #1a1035;
  --card-hover: #231548;
  --border: #2d1f5e;
  --accent: #a855f7;
  --accent2: #ec4899;
  --gradient: linear-gradient(135deg, #a855f7, #ec4899);
  --gradient-soft: linear-gradient(135deg, rgba(168,85,247,.15), rgba(236,72,153,.15));
  --glow: 0 0 20px rgba(168,85,247,.3);
  --glow-sm: 0 0 10px rgba(168,85,247,.2);
  --text: #f0eaff;
  --text-dim: #9b8ec4;
  --text-muted: #5c4d80;
  --danger: #ff4466;
  --radius: 16px;
  --radius-sm: 12px;
  --nav-h: 68px;
  --header-h: 54px;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

.hidden { display: none !important; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(5,3,15,.92);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 16px;
  animation: fadeOverlay .3s ease;
}
@keyframes fadeOverlay {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---- Age Gate ---- */
.age-modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  max-width: 360px; width: 100%;
  animation: popIn .4s cubic-bezier(.16,1.11,.3,1.2);
  box-shadow: var(--glow);
}
@keyframes popIn {
  from { opacity: 0; transform: scale(.85) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.age-badge {
  display: inline-block;
  background: var(--gradient);
  color: #fff; font-weight: 800; font-size: 22px;
  padding: 10px 22px; border-radius: var(--radius-sm);
  margin-bottom: 18px;
  box-shadow: var(--glow);
}
.age-modal h2 { margin-bottom: 8px; font-size: 22px; font-weight: 700; }
.age-modal p { color: var(--text-dim); font-size: 14px; margin-bottom: 18px; line-height: 1.4; }
.age-modal b { display: block; margin-bottom: 18px; font-size: 17px; }
.age-modal small { display: block; margin-top: 14px; color: var(--text-muted); font-size: 12px; }

/* ---- Buttons ---- */
.btn {
  display: block; width: 100%;
  padding: 15px; border: none; border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 700; cursor: pointer;
  font-family: inherit;
  transition: transform .15s, box-shadow .15s, opacity .15s;
  position: relative; overflow: hidden;
}
.btn:active { transform: scale(.96); }
.btn-primary {
  background: var(--gradient); color: #fff;
  box-shadow: var(--glow-sm);
}
.btn-primary:active { box-shadow: var(--glow); }
.btn-secondary {
  background: var(--card-hover); color: var(--text);
  border: 1px solid var(--border); margin-top: 10px;
}
.btn-lg { padding: 17px; font-size: 17px; border-radius: var(--radius); }
.btn-sm { padding: 10px 16px; font-size: 14px; }
.btn-loc {
  background: var(--card-hover); color: var(--text);
  border: 1px solid var(--border);
  margin-bottom: 10px; text-align: left; font-size: 16px;
}
.btn-loc:active { border-color: var(--accent); }

/* Ripple effect */
.btn::after {
  content: ""; position: absolute;
  width: 100%; height: 100%;
  top: 0; left: 0;
  background: radial-gradient(circle, rgba(255,255,255,.25) 10%, transparent 60%);
  transform: scale(0); opacity: 0;
  transition: transform .4s, opacity .4s;
}
.btn:active::after {
  transform: scale(2.5); opacity: 1;
  transition: transform 0s, opacity 0s;
}

/* ---- Header ---- */
header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(13,10,26,.9);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; z-index: 100;
  border-bottom: 1px solid rgba(45,31,94,.5);
}
.header-left b { font-size: 17px; letter-spacing: 1.5px; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.header-right {
  background: var(--gradient);
  padding: 7px 14px; border-radius: 20px;
  font-size: 13px; font-weight: 700; cursor: pointer;
  color: #fff;
  box-shadow: var(--glow-sm);
  transition: transform .15s;
}
.header-right:active { transform: scale(.95); }

/* ---- Main ---- */
main {
  padding-top: calc(var(--header-h) + 8px);
  padding-bottom: calc(var(--nav-h) + 16px);
  min-height: 100vh;
}
.page { display: none; padding: 0 16px; }
.page.active { display: block; animation: pageIn .3s ease; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.page-title {
  font-size: 22px; margin-bottom: 16px; font-weight: 700;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---- Search ---- */
.search-bar { position: relative; margin-bottom: 14px; }
.search-bar input {
  width: 100%; padding: 13px 16px 13px 42px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 15px; font-family: inherit; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar input:focus { border-color: var(--accent); box-shadow: var(--glow-sm); }
.search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 16px; color: var(--text-muted);
}

/* ---- Category Tabs ---- */
.category-tabs {
  display: flex; gap: 8px;
  overflow-x: auto; margin-bottom: 16px;
  scrollbar-width: none; padding-bottom: 4px;
}
.category-tabs::-webkit-scrollbar { display: none; }
.cat-tab {
  white-space: nowrap;
  padding: 9px 18px; border-radius: 20px;
  background: var(--card); color: var(--text-dim);
  border: 1px solid transparent;
  font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit;
  transition: all .25s;
}
.cat-tab.active {
  background: var(--gradient); color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-sm);
}

/* ---- Product Grid ---- */
.product-grid, .promo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden; cursor: pointer;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.product-card:active {
  transform: scale(.96);
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
}

.product-img {
  width: 100%; aspect-ratio: 1;
  background: var(--gradient-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 52px; position: relative;
}
.product-category-badge {
  position: absolute; top: 8px; left: 8px;
  background: var(--gradient);
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 3px 9px; border-radius: 8px;
  text-transform: lowercase;
}
.product-info { padding: 12px; }
.product-name {
  font-size: 13px; font-weight: 600;
  line-height: 1.3; margin-bottom: 10px;
  min-height: 34px;
}
.product-price-row {
  display: flex; align-items: center; gap: 8px;
}
.product-price {
  background: var(--gradient);
  padding: 5px 12px; border-radius: 8px;
  font-size: 13px; font-weight: 800; color: #fff;
}
.product-price-old {
  color: var(--text-muted); font-size: 12px;
  text-decoration: line-through;
}

/* ---- Product Modal ---- */
.product-modal {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 200;
  overflow-y: auto;
  padding-bottom: 90px;
  animation: slideUp .35s cubic-bezier(.16,1,.3,1);
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
.product-modal.closing {
  animation: slideDown .25s ease forwards;
}
@keyframes slideDown {
  to { transform: translateY(100%); }
}

.pm-header {
  display: flex; align-items: center; justify-content: flex-end;
  padding: 16px;
}
.pm-close {
  width: 40px; height: 40px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 50%; font-size: 20px;
  cursor: pointer; color: var(--text);
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s, background .15s;
}
.pm-close:active { transform: scale(.9); background: var(--card-hover); }

.pm-image {
  width: 180px; height: 180px; margin: 0 auto;
  background: var(--gradient-soft);
  border-radius: var(--radius); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 72px;
  box-shadow: var(--glow);
}
.pm-price {
  display: inline-block;
  background: var(--gradient);
  padding: 7px 16px; border-radius: 10px;
  font-size: 18px; font-weight: 800; color: #fff;
  margin: 18px 16px 8px;
  box-shadow: var(--glow-sm);
}
.pm-name {
  font-size: 22px; font-weight: 800;
  padding: 0 16px; margin-bottom: 18px;
}

.pm-flavors {
  margin: 0 16px; padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.pm-flavors-header {
  display: flex; justify-content: space-between;
  margin-bottom: 14px; font-weight: 700;
}
.pm-flavors-count { color: var(--text-muted); }

.flavor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.flavor-btn {
  padding: 11px; background: var(--card-hover);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px; cursor: pointer;
  text-align: left; font-family: inherit;
  display: flex; justify-content: space-between; align-items: center;
  transition: all .2s;
}
.flavor-btn:active { transform: scale(.96); }
.flavor-btn.selected {
  border-color: var(--accent);
  background: rgba(168,85,247,.15);
  box-shadow: inset 0 0 12px rgba(168,85,247,.1);
  animation: flavorPop .3s ease;
}
@keyframes flavorPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}
.flavor-btn .stock {
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  font-size: 12px; font-weight: 700;
  white-space: nowrap; margin-left: 4px;
}

.pm-footer {
  position: fixed; bottom: 0; left: 0; right: 0;
  padding: 14px 16px;
  background: rgba(13,10,26,.95);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(45,31,94,.5);
  display: flex; gap: 12px; align-items: center;
  z-index: 201;
}
.pm-footer .btn { flex: 1; }
.pm-share {
  width: 48px; height: 48px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 18px; cursor: pointer; color: var(--text);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform .15s;
}
.pm-share:active { transform: scale(.9); }

/* ---- Cart ---- */
.cart-item {
  display: flex; gap: 12px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
  margin-bottom: 12px; align-items: center;
  animation: cartItemIn .3s ease;
}
@keyframes cartItemIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}
.cart-item.removing {
  animation: cartItemOut .3s ease forwards;
}
@keyframes cartItemOut {
  to { opacity: 0; transform: translateX(40px) scale(.8); height: 0; padding: 0; margin: 0; overflow: hidden; }
}

.cart-item-img {
  width: 60px; height: 60px; border-radius: var(--radius-sm);
  background: var(--gradient-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; flex-shrink: 0;
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name {
  font-size: 14px; font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cart-item-flavor { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.cart-item-price {
  font-size: 15px; font-weight: 800; margin-top: 4px;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.cart-qty {
  display: flex; align-items: center;
  background: var(--card-hover); border-radius: 10px;
  overflow: hidden; flex-shrink: 0;
  border: 1px solid var(--border);
}
.cart-qty button {
  width: 36px; height: 38px;
  background: none; border: none; color: var(--text);
  font-size: 18px; cursor: pointer; font-family: inherit;
  transition: background .15s;
}
.cart-qty button:active { background: rgba(168,85,247,.2); }
.cart-qty span {
  width: 28px; text-align: center;
  font-size: 15px; font-weight: 700;
}

.cart-summary {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  margin-top: 8px;
}
.cart-row {
  display: flex; justify-content: space-between;
  margin-bottom: 10px; font-size: 14px; color: var(--text-dim);
}
.cart-total {
  display: flex; justify-content: space-between;
  font-size: 20px; font-weight: 800;
  padding-top: 14px; border-top: 1px solid var(--border);
  margin-top: 8px;
}
.cart-total span:last-child {
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.cart-actions { margin-top: 18px; }

/* ---- Empty State ---- */
.empty-state { text-align: center; padding: 52px 16px; }
.empty-icon { font-size: 52px; margin-bottom: 18px; opacity: .4; }
.empty-state b { display: block; margin-bottom: 8px; font-size: 17px; }
.empty-state p { color: var(--text-dim); font-size: 14px; margin-bottom: 22px; }
.empty-state .btn { max-width: 240px; margin: 0 auto; }

/* ---- Orders ---- */
.order-tabs {
  display: flex;
  background: var(--card); border-radius: var(--radius-sm);
  padding: 4px; margin-bottom: 16px;
  border: 1px solid var(--border);
}
.order-tab {
  flex: 1; padding: 11px;
  background: none; border: none; color: var(--text-muted);
  font-size: 14px; font-weight: 700; cursor: pointer;
  border-radius: 9px; font-family: inherit;
  transition: all .25s;
}
.order-tab.active {
  background: var(--gradient); color: #fff;
  box-shadow: var(--glow-sm);
}

/* ---- Profile ---- */
.profile-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  text-align: center; margin-bottom: 16px;
}
.profile-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  border: 3px solid transparent;
  background-image: var(--gradient);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 38px;
  position: relative;
}
.profile-avatar::before {
  content: ""; position: absolute; inset: -3px;
  border-radius: 50%;
  background: var(--gradient);
  z-index: -1;
}
.profile-avatar { background: var(--card); }
.profile-name { font-size: 22px; font-weight: 800; }
.profile-username {
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  font-size: 15px; font-weight: 600; margin-top: 4px;
}
.profile-id {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 14px;
  background: var(--card-hover); padding: 8px 18px;
  border-radius: 20px; font-size: 13px; color: var(--text-dim);
  border: 1px solid var(--border);
}

.profile-link-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  display: flex; align-items: center; gap: 14px;
  cursor: pointer; margin-bottom: 12px;
  transition: border-color .2s, box-shadow .2s;
}
.profile-link-card:active { border-color: var(--accent); box-shadow: var(--glow-sm); }
.link-icon { font-size: 30px; }
.link-info { flex: 1; }
.link-info b { font-size: 16px; }
.link-info p { font-size: 13px; color: var(--text-dim); margin-top: 3px; }
.link-badge {
  display: inline-block;
  font-size: 11px; font-weight: 700;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}
.link-arrow { color: var(--text-muted); font-size: 22px; }

/* ---- Location Picker ---- */
.location-picker {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px; max-width: 320px; width: 100%;
  animation: popIn .3s cubic-bezier(.16,1.11,.3,1.2);
  box-shadow: var(--glow);
}
.location-picker h3 { margin-bottom: 18px; text-align: center; font-size: 18px; }

/* ---- Bottom Nav ---- */
nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(13,10,26,.95);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(45,31,94,.5);
  display: flex; z-index: 100;
}
.nav-btn {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: none; border: none;
  color: var(--text-muted); font-size: 11px;
  cursor: pointer; gap: 3px; font-family: inherit;
  transition: color .25s;
  position: relative;
}
.nav-btn.active { color: var(--accent); }
.nav-btn.active::before {
  content: "";
  position: absolute; top: 0; left: 50%;
  width: 32px; height: 3px;
  background: var(--gradient);
  border-radius: 0 0 4px 4px;
  transform: translateX(-50%);
  animation: navDot .3s ease;
}
@keyframes navDot {
  from { width: 0; opacity: 0; }
  to { width: 32px; opacity: 1; }
}
.nav-icon { font-size: 22px; position: relative; }
.cart-icon-wrap { position: relative; }
.cart-badge {
  position: absolute; top: -7px; right: -12px;
  background: var(--gradient);
  color: #fff; font-size: 10px; font-weight: 800;
  min-width: 18px; height: 18px;
  border-radius: 9px; text-align: center;
  line-height: 18px; padding: 0 5px;
}
.cart-badge.bounce { animation: badgeBounce .4s ease; }
@keyframes badgeBounce {
  0% { transform: scale(1); }
  40% { transform: scale(1.4); }
  70% { transform: scale(.9); }
  100% { transform: scale(1); }
}

/* ---- Fly to cart animation ---- */
.fly-particle {
  position: fixed; z-index: 9999;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: var(--glow);
  pointer-events: none;
  transition: all .6s cubic-bezier(.2,.8,.3,1);
}

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: calc(var(--nav-h) + 16px);
  left: 50%; transform: translateX(-50%);
  background: var(--card); border: 1px solid var(--accent);
  color: var(--text); padding: 12px 24px;
  border-radius: 30px; font-size: 14px; font-weight: 600;
  box-shadow: var(--glow);
  z-index: 500;
  animation: toastIn .3s ease, toastOut .3s ease 1.8s forwards;
  white-space: nowrap;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px) scale(.9); }
  to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(.9); }
}