/* shared.css — Base styles for Topdik.uz */

/* ─── VARIABLES ─────────────────────────────────────────────────────────────── */
:root {
  --blue-900: #0a1628;
  --blue-800: #0d2244;
  --blue-700: #0e3275;
  --blue-600: #1040a0;
  --blue-500: #1a56db;
  --blue-400: #3b82f6;
  --blue-300: #93c5fd;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --white:    #ffffff;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --green:    #16a34a;
  --red:      #dc2626;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,.1);
  --shadow-lg:  0 8px 30px rgba(0,0,0,.12);
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --transition: 0.18s ease;
  --header-h:   64px;

  --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;
}

/* ─── RESET ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

/* ─── LAYOUT ─────────────────────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}
main { flex: 1; }

/* ─── TYPOGRAPHY ─────────────────────────────────────────────────────────────── */
h1 { font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 700; line-height: 1.2; }
h2 { font-size: clamp(1.2rem, 3vw, 1.75rem); font-weight: 600; line-height: 1.3; }
h3 { font-size: 1.1rem; font-weight: 600; }

/* ─── BUTTONS ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.1s;
  white-space: nowrap;
  outline-offset: 3px;
}
.btn:focus-visible { outline: 3px solid var(--blue-400); }
.btn:active { transform: scale(0.97); }
.btn--primary {
  background: var(--blue-500);
  color: var(--white);
  border-color: var(--blue-500);
}
.btn--primary:hover { background: var(--blue-600); border-color: var(--blue-600); }
.btn--outline {
  background: transparent;
  color: var(--blue-500);
  border-color: var(--blue-400);
}
.btn--outline:hover { background: var(--blue-50); }
.btn--ghost {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-200);
}
.btn--ghost:hover { background: var(--gray-100); }
.btn--danger {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn--success {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn--sm { padding: 6px 12px; font-size: 0.8rem; }
.btn--full { width: 100%; justify-content: center; }

/* ─── LOGO ───────────────────────────────────────────────────────────────────── */
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  flex-shrink: 0;
}
.logo--sm { font-size: 1.1rem; }
.logo-top { color: var(--blue-500); }
.logo-dik { color: var(--gray-900); }
.logo-uz  { color: var(--gray-500); font-size: 0.7em; }

/* ─── HEADER ─────────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--header-h);
}
.header-search {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--transition);
  min-width: 0;
}
.header-search:focus-within { border-color: var(--blue-400); background: var(--white); }
.header-search__input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 14px;
  font-size: 0.9rem;
  color: var(--gray-900);
  outline: none;
  min-width: 0;
}
.header-search__input::placeholder { color: var(--gray-400); }
.header-search__btn {
  background: var(--blue-500);
  border: none;
  color: var(--white);
  padding: 9px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.header-search__btn:hover { background: var(--blue-600); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ─── SWITCHER ───────────────────────────────────────────────────────────────── */
.switcher {
  display: flex;
  background: var(--gray-100);
  border-radius: 6px;
  padding: 2px;
  gap: 2px;
}
.switcher__btn {
  background: transparent;
  border: none;
  padding: 5px 9px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  border-radius: 4px;
  transition: all var(--transition);
}
.switcher__btn.active, .switcher__btn:hover { background: var(--white); color: var(--blue-500); }
.switcher__btn.active { box-shadow: var(--shadow-sm); }

/* ─── ICON BUTTON ────────────────────────────────────────────────────────────── */
.icon-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--gray-600, var(--gray-700));
  font-size: 0;
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.icon-btn:hover, .icon-btn.active { color: var(--blue-500); background: var(--blue-50); }
.icon-label { font-size: 0.65rem; font-weight: 500; color: inherit; }
.badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--red);
  color: var(--white);
  font-size: 0.6rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--white);
}

/* ─── USER CHIP ──────────────────────────────────────────────────────────────── */
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-50);
  border: 1.5px solid var(--blue-200, var(--blue-300));
  border-radius: 8px;
  padding: 6px 12px;
}
.user-chip__name { font-size: 0.85rem; font-weight: 600; color: var(--blue-600); }
.user-chip__logout {
  background: none;
  border: none;
  color: var(--gray-400);
  font-size: 0.75rem;
  padding: 2px;
  line-height: 1;
  transition: color var(--transition);
}
.user-chip__logout:hover { color: var(--red); }

/* ─── BURGER ─────────────────────────────────────────────────────────────────── */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.burger span {
  display: block;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all 0.2s;
  transform-origin: center;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── MOBILE MENU ────────────────────────────────────────────────────────────── */
.mobile-menu {
  display: none;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
}
.mobile-menu.open { display: block; }
.mobile-menu__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mobile-switchers { display: flex; gap: 12px; flex-wrap: wrap; }
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-nav a {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
  color: var(--gray-700);
  font-weight: 500;
}
.mobile-nav a:last-child { border: none; }

/* ─── FOOTER ─────────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-400);
  margin-top: auto;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 16px 32px;
  flex-wrap: wrap;
}
.footer-brand .logo-top { color: var(--blue-400); }
.footer-brand .logo-dik { color: var(--white); }
.footer-brand .logo-uz  { color: var(--gray-500); }
.footer-copy { font-size: 0.8rem; margin-top: 8px; color: var(--gray-500); }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }
.footer-contact { font-style: normal; }
.footer-contact p { font-size: 0.85rem; margin-bottom: 4px; }

/* ─── PRODUCT CARDS ──────────────────────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.product-card__img-wrap { position: relative; aspect-ratio: 4/3; overflow: hidden; display: block; }
.product-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.product-card:hover .product-card__img { transform: scale(1.04); }
.product-card__save {
  position: absolute;
  top: 10px; right: 10px;
  width: 34px; height: 34px;
  background: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  color: var(--gray-400);
  transition: color var(--transition), transform 0.1s;
}
.product-card__save:hover { color: var(--red); transform: scale(1.1); }
.product-card__save.saved { color: var(--red); }
.product-card__body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.product-card__cat {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue-500);
}
.product-card__title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-900);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  transition: color var(--transition);
}
.product-card__title:hover { color: var(--blue-500); }
.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--gray-100);
}
.product-card__price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-600);
}

/* ─── SECTION HEADER ─────────────────────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-header h2 { color: var(--gray-900); }

/* ─── CATEGORY GRID ──────────────────────────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}
.category-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  color: var(--gray-700);
  font-size: 0.85rem;
  font-weight: 500;
}
.category-card:hover, .category-card.active {
  background: var(--blue-50);
  border-color: var(--blue-300);
  color: var(--blue-600);
}
.category-card__icon { font-size: 2rem; line-height: 1; }

/* ─── EMPTY STATE ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-500);
}
.empty-state__icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--gray-700); }

/* ─── FORM ───────────────────────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
}
.form-input, .form-select, .form-textarea {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--gray-900);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-textarea { resize: vertical; min-height: 100px; }

/* ─── PAGE TITLE ─────────────────────────────────────────────────────────────── */
.page-title {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
}

/* ─── TOAST ──────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--gray-900);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .header-search { max-width: 260px; }
  .lang-switcher .switcher__btn:nth-child(2) { display: none; }
}
@media (max-width: 680px) {
  .header-nav { display: none; }
  .burger { display: flex; }
  .header-search { max-width: none; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .categories-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 400px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
}