/* ===========================================================
   A&A Gadgets — minimalist white theme
   Tokens:
     --ink       #111111  primary text / lines
     --muted     #6E6E6B  secondary text
     --faint     #A9A296  quiet accent (hover, tags)
     --panel     #F7F6F3  soft off-white panel background
     --bg        #FFFFFF  page background
     --line      #E7E5E0  hairline borders
   Type:
     Display / wordmark: 'Archivo', tracked caps
     Body: 'Inter'
   Signature element: hairline—icon—hairline divider, echoing the logo
=========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  --ink: #111111;
  --muted: #6e6e6b;
  --faint: #a9a296;
  --panel: #f7f6f3;
  --bg: #ffffff;
  --line: #e7e5e0;
  --danger: #b3261e;
  --ok: #1f7a4d;
  --radius: 2px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(6px);
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 46px;
  width: auto;
}

.brand-text {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 18px;
  line-height: 1;
}

.brand-text span {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-top: 4px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding-bottom: 4px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav a:hover::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.2s ease;
}

.icon-btn:hover { border-color: var(--ink); }

.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--ink);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  min-width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* ---------- Divider (signature element) ---------- */
.motif-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 auto;
  max-width: 520px;
  padding: 8px 0;
}

.motif-divider .rule {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.motif-divider .icons {
  display: flex;
  gap: 14px;
  color: var(--ink);
}

.motif-divider svg { width: 18px; height: 18px; }

/* ---------- Hero ---------- */
.hero {
  padding: 84px 0 64px;
  text-align: center;
}

.hero .eyebrow { display: block; margin-bottom: 18px; }

.hero h1 {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: clamp(40px, 6vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
}

.hero p.lede {
  max-width: 520px;
  margin: 0 auto 34px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 56px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.12s ease;
  background: var(--ink);
  color: #fff;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover { background: var(--panel); }

.btn-block { width: 100%; }

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-small {
  padding: 9px 16px;
  font-size: 13px;
}

.btn-danger {
  border-color: var(--danger);
  background: #fff;
  color: var(--danger);
}
.btn-danger:hover { background: #fdecea; }

/* ---------- Section headings ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-head h2 {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 28px;
  margin: 6px 0 0;
}

/* ---------- Filters ---------- */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: #fff;
  transition: all 0.15s ease;
}

.chip:hover { border-color: var(--ink); }

.chip.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 24px;
  padding: 40px 0 90px;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-thumb {
  background: var(--panel);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 16px;
  position: relative;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.product-card:hover .product-thumb img { transform: scale(1.045); }

.stock-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  color: var(--danger);
}

.product-category {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 6px;
  font-weight: 600;
}

.product-name {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 6px;
}

.product-price {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 14px;
}

.product-card .btn { margin-top: auto; }

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--muted);
}

/* ---------- Product detail ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 56px 0 90px;
  align-items: start;
}

.product-detail .product-thumb { margin-bottom: 0; aspect-ratio: 1/1; }

.pd-info h1 {
  font-family: 'Archivo', sans-serif;
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 14px;
}

.pd-price {
  font-family: 'Archivo', sans-serif;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 20px;
}

.pd-desc {
  color: var(--muted);
  margin-bottom: 28px;
  line-height: 1.7;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 26px;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
}

.qty-control button {
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.qty-control span {
  width: 40px;
  text-align: center;
  font-weight: 600;
}

/* ---------- Cart ---------- */
.cart-page { padding: 56px 0 100px; }

.cart-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 56px;
  align-items: start;
}

.cart-item {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.cart-item img {
  width: 90px;
  height: 90px;
  object-fit: cover;
  background: var(--panel);
}

.cart-item-name { font-weight: 600; margin-bottom: 4px; }
.cart-item-meta { font-size: 13px; color: var(--muted); }

.cart-item-remove {
  font-size: 12px;
  color: var(--muted);
  text-decoration: underline;
  cursor: pointer;
  margin-top: 6px;
  background: none;
  border: none;
  padding: 0;
}

.summary-box {
  border: 1px solid var(--line);
  padding: 28px;
  position: sticky;
  top: 110px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--muted);
}

.summary-row.total {
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
}

.notice {
  font-size: 13px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  margin-top: 16px;
  color: var(--muted);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  font-family: 'Archivo', sans-serif;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 14px; color: var(--muted); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--faint);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

/* ---------- Admin ---------- */
.admin-shell { display: flex; min-height: 100vh; }

.admin-sidebar {
  width: 240px;
  border-right: 1px solid var(--line);
  padding: 32px 24px;
  flex-shrink: 0;
}

.admin-sidebar .brand { margin-bottom: 40px; }
.admin-sidebar img { height: 34px; }

.admin-nav a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.admin-nav a.active, .admin-nav a:hover { color: var(--ink); }

.admin-main {
  flex: 1;
  padding: 40px 48px;
  max-width: 1100px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.admin-header h1 {
  font-family: 'Archivo', sans-serif;
  font-size: 26px;
  margin: 0;
}

.card {
  border: 1px solid var(--line);
  padding: 28px;
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid .full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 4px; }

.field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input, .field textarea, .field select {
  border: 1px solid var(--line);
  padding: 11px 12px;
  border-radius: var(--radius);
  background: #fff;
}

.field textarea { resize: vertical; min-height: 90px; }

.field-checkbox {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.field-checkbox input { width: auto; }

table.admin-table {
  width: 100%;
  border-collapse: collapse;
}

table.admin-table th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

table.admin-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  vertical-align: middle;
}

.admin-thumb {
  width: 46px;
  height: 46px;
  object-fit: cover;
  background: var(--panel);
}

.row-actions { display: flex; gap: 10px; }

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
}

.login-box {
  background: #fff;
  border: 1px solid var(--line);
  padding: 48px;
  width: 100%;
  max-width: 380px;
}

.login-box img { height: 44px; margin: 0 auto 24px; }
.login-box h1 {
  font-family: 'Archivo', sans-serif;
  font-size: 20px;
  text-align: center;
  margin: 0 0 28px;
}

.error-text {
  color: var(--danger);
  font-size: 13px;
  margin-top: 10px;
  display: none;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-ok { background: #e8f4ec; color: var(--ok); }
.badge-low { background: #fdecea; color: var(--danger); }
.badge-pending { background: var(--panel); color: var(--muted); }

.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--ink);
  color: #fff;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.25s ease;
  z-index: 200;
}
.toast.show { opacity: 1; transform: translateY(0); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.stat-card {
  border: 1px solid var(--line);
  padding: 22px;
}
.stat-card .eyebrow { display: block; margin-bottom: 10px; }
.stat-card .stat-value {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 28px;
}

/* ---------- Success page ---------- */
.status-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
}

.status-page .icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.status-page h1 {
  font-family: 'Archivo', sans-serif;
  font-size: 28px;
  margin: 0 0 12px;
}

.status-page p { color: var(--muted); max-width: 420px; margin: 0 0 28px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-sidebar { width: 200px; }
  .admin-main { padding: 28px; }
  .stat-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 18px 14px; }
  .hero { padding: 56px 0 40px; }
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--line); padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}