:root {
  --bg: #0f1115;
  --bg-elev: #171a21;
  --bg-elev-2: #1f232c;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --text-dim: #a0a6b2;
  --text-mute: #6f7686;
  --accent: #6c8cff;
  --accent-2: #8a6cff;
  --accent-hover: #5878f0;
  --success: #43c98b;
  --danger: #ef5b6b;
  --warn: #f2b64b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  /* Keep mobile Safari / Android Chrome from auto-zooming inputs */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

button { font-family: inherit; }

.hidden { display: none !important; }

/* ===== Top bar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(15, 17, 21, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
  flex: 0 0 auto;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1 1 auto;
  justify-content: flex-end;
  min-width: 0;
}

.search-input {
  flex: 1 1 160px;
  min-width: 0;
  max-width: 320px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  outline: none;
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 140, 255, 0.18);
}
.search-input::placeholder { color: var(--text-mute); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost { border-color: var(--border); background: var(--bg-elev); }
.btn-ghost:hover { background: var(--bg-elev-2); }

.btn-outline { border-color: var(--border); color: var(--text-dim); }
.btn-outline:hover { color: var(--text); border-color: var(--accent); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.08); }

.btn-sm { padding: 6px 10px; font-size: 13px; }

.cart-btn { position: relative; }

.cart-count {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

#loginBtn, #registerBtn { flex: 0 0 auto; }

/* ===== User menu ===== */
.user-menu {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  max-width: 180px;
}
.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  flex: 0 0 auto;
}
.user-avatar-fallback {
  display: inline-grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 12px;
}
.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px 80px;
}

.view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.view-title {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.02em;
}

/* ===== Category chips ===== */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.chip:hover { color: var(--text); border-color: var(--accent); }
.chip.active {
  background: rgba(108, 140, 255, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== Product grid (fluid, no media queries) ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s, border-color 0.18s, box-shadow 0.18s;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.card-cover {
  position: relative;
  aspect-ratio: 400 / 560;
  background: var(--bg-elev-2);
  overflow: hidden;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--warn);
  color: #1a1a1a;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 12px 14px;
  flex: 1;
}

.card-category {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.card-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-subtitle {
  margin: 0;
  font-size: 12px;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--text-mute);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  flex-wrap: wrap;
}

.card-price {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
}

/* ===== Cart view ===== */
.cart-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cart-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.cart-row-cover {
  width: 56px;
  height: 78px;
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-elev-2);
}
.cart-row-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.cart-row-info { flex: 1 1 140px; min-width: 0; }
.cart-row-title {
  margin: 0 0 3px;
  font-size: 14px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cart-row-sub {
  margin: 0;
  font-size: 12px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cart-row-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  margin-left: auto;
}
.cart-row-price { font-weight: 800; font-size: 15px; }

.cart-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.cart-total { font-size: 16px; font-weight: 700; }
.cart-total span { color: var(--accent); }

/* ===== Orders ===== */
.orders-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.order-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}
.order-row-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.order-row-amount { font-size: 17px; font-weight: 800; color: var(--success); }
.order-row-time { font-size: 12px; color: var(--text-mute); }

/* ===== Empty states ===== */
.empty {
  padding: 40px 16px;
  text-align: center;
  color: var(--text-mute);
  font-size: 14px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 50;
  max-width: calc(100% - 32px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.success { border-color: var(--success); color: var(--success); }

/* ===== Skeleton ===== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elev) 25%, var(--bg-elev-2) 50%, var(--bg-elev) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Auth state helpers ===== */
.guest-only, .auth-only { display: none !important; }
body.is-authed .auth-only { display: inline-flex !important; }
body.is-guest  .guest-only { display: inline-flex !important; }

/* Keep the topbar clean on very narrow screens (fits small Android phones) */
@media (max-width: 480px) {
  .brand-name { display: none; }
  .search-input { max-width: none; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
}