/* ObuvShop — styly statického eshopu */

:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-text: #1a1f2b;
  --color-muted: #6b7280;
  --color-primary: #1f6feb;
  --color-primary-dark: #1858c2;
  --color-accent: #0e1422;
  --color-border: #e3e6eb;
  --color-success: #1a8a4a;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 4px 12px rgba(16, 24, 40, 0.05);
  --space: 1rem;
  --maxw: 1180px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

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

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --- Hlavička --------------------------------------------------------- */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 64px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text);
}
.logo:hover { text-decoration: none; }

.main-nav { margin-right: auto; }
.main-nav a {
  color: var(--color-muted);
  font-weight: 600;
  padding: 0.4rem 0;
}
.main-nav a.active, .main-nav a:hover { color: var(--color-text); text-decoration: none; }

.cart-link {
  position: relative;
  font-weight: 600;
  color: var(--color-text);
  padding: 0.4rem 0.2rem;
}
.cart-link:hover { text-decoration: none; }
.cart-link.active { color: var(--color-primary); }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  min-width: 19px;
  height: 19px;
  padding: 0 5px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* --- Hero ------------------------------------------------------------- */

.hero {
  background: linear-gradient(135deg, var(--color-accent), #1f2a44);
  color: #fff;
  padding: 3rem 0;
  text-align: center;
}
.hero h1 { margin: 0 0 0.5rem; font-size: clamp(1.6rem, 4vw, 2.6rem); }
.hero p { margin: 0; color: #c7d0e0; font-size: 1.05rem; }

/* --- Tlačítka --------------------------------------------------------- */

.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-ghost:hover { background: var(--color-bg); }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-lg { padding: 0.8rem 1.4rem; font-size: 1.05rem; width: 100%; margin-top: 0.5rem; }

/* --- Layout katalogu -------------------------------------------------- */

.catalog-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  padding-top: 2rem;
  padding-bottom: 3rem;
  align-items: start;
}

.filters {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: sticky;
  top: 84px;
}
.filters h2 { margin: 0 0 1rem; font-size: 1.1rem; }

.filter-group { margin-bottom: 1.1rem; }
.filter-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}
.filter-group input[type='search'],
.filter-group select {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  background: #fff;
}
.filter-group input[type='range'] { width: 100%; }

/* --- Toolbar ---------------------------------------------------------- */

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.result-count { color: var(--color-muted); font-size: 0.9rem; }
.sort-label { font-size: 0.9rem; color: var(--color-muted); }
.sort-label select {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  margin-left: 0.4rem;
}

/* --- Mřížka produktů -------------------------------------------------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s, transform 0.15s;
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }

.product-card-media { display: block; background: #0e1422; aspect-ratio: 4 / 3; }
.product-card-media img { width: 100%; height: 100%; object-fit: cover; }

.product-card-body { padding: 0.9rem; display: flex; flex-direction: column; gap: 0.3rem; flex: 1; }
.product-brand { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-muted); font-weight: 700; }
.product-name { margin: 0; font-size: 1rem; }
.product-name a { color: var(--color-text); }
.product-cat { font-size: 0.82rem; color: var(--color-muted); }

.product-card-footer {
  margin-top: auto;
  padding-top: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.product-price { font-weight: 800; font-size: 1.05rem; }

.empty-state {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--color-muted);
  grid-column: 1 / -1;
}

/* --- Detail produktu -------------------------------------------------- */

.back-link { display: inline-block; margin: 1.5rem 0 0.5rem; color: var(--color-muted); }

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 3rem;
}
.product-detail-media { background: #0e1422; border-radius: var(--radius); overflow: hidden; }
.product-detail-media img { width: 100%; height: 100%; object-fit: cover; }
.product-detail-info h1 { margin: 0.3rem 0 0.5rem; font-size: 1.8rem; }
.product-detail-meta { color: var(--color-muted); font-size: 0.9rem; margin: 0 0 1rem; }
.product-detail-price { font-size: 1.8rem; font-weight: 800; margin: 0 0 1rem; }
.product-detail-desc { color: #374151; margin-bottom: 1.5rem; }

.size-picker { margin-bottom: 1.5rem; }
.size-picker > label { display: block; font-weight: 600; margin-bottom: 0.5rem; }
.size-options { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.size-btn {
  min-width: 48px;
  padding: 0.55rem 0.4rem;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.size-btn:hover { border-color: var(--color-primary); }
.size-btn.selected { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.size-error { color: #c0392b; font-size: 0.85rem; margin: 0.5rem 0 0; }
.add-feedback { color: var(--color-success); font-weight: 600; margin: 0.6rem 0 0; }

/* --- Košík ------------------------------------------------------------ */

.cart-page { padding-top: 1.5rem; padding-bottom: 3rem; }
.cart-page h1 { margin-bottom: 1.25rem; }

.cart-grid { display: grid; grid-template-columns: 1fr 320px; gap: 2rem; align-items: start; }

.cart-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.cart-table th {
  text-align: left;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
}
.cart-table td { padding: 0.85rem 0.9rem; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.cart-table tr:last-child td { border-bottom: none; }

.cart-prod { display: flex; gap: 0.8rem; align-items: center; }
.cart-prod img { width: 64px; height: 48px; object-fit: cover; border-radius: 6px; background: #0e1422; }
.cart-prod div { display: flex; flex-direction: column; gap: 0.15rem; }
.cart-size { font-size: 0.8rem; color: var(--color-muted); }
.cart-price, .cart-line { font-weight: 600; white-space: nowrap; }

.cart-qty { display: flex; align-items: center; gap: 0.5rem; }
.qty-btn {
  width: 28px; height: 28px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
}
.qty-btn:hover { border-color: var(--color-primary); }
.qty-value { min-width: 24px; text-align: center; font-weight: 600; }

.remove-btn {
  border: none; background: transparent; color: var(--color-muted);
  font-size: 1rem; cursor: pointer; padding: 0.3rem;
}
.remove-btn:hover { color: #c0392b; }

#clear-cart { margin-top: 1rem; }

.cart-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: sticky;
  top: 84px;
}
.cart-summary h2 { margin: 0 0 1rem; font-size: 1.15rem; }
.summary-row { display: flex; justify-content: space-between; margin-bottom: 0.6rem; }
.summary-total { font-size: 1.2rem; font-weight: 800; border-top: 1px solid var(--color-border); padding-top: 0.7rem; margin-top: 0.4rem; }
.shipping-hint { font-size: 0.82rem; color: var(--color-primary); margin: 0 0 0.6rem; }
.summary-note { font-size: 0.78rem; color: var(--color-muted); margin: 0.6rem 0 0; text-align: center; }

.cart-empty { padding: 3rem; }
.cart-empty .btn { margin-top: 1rem; }

.order-confirm {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}
.confirm-icon {
  width: 64px; height: 64px;
  background: var(--color-success); color: #fff;
  border-radius: 999px;
  font-size: 2rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.order-confirm .btn { margin-top: 1rem; }

.loading { color: var(--color-muted); padding: 2rem 0; }

/* --- Patička ---------------------------------------------------------- */

.site-footer {
  background: var(--color-accent);
  color: #9aa6bd;
  padding: 1.5rem 0;
  margin-top: auto;
  font-size: 0.85rem;
  text-align: center;
}

/* --- Responzivita ----------------------------------------------------- */

@media (max-width: 900px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .filters { position: static; }
  .product-detail { grid-template-columns: 1fr; gap: 1.5rem; padding: 1.25rem; }
  .cart-grid { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
}

@media (max-width: 560px) {
  .header-inner { gap: 1rem; }
  .cart-table thead { display: none; }
  .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block; width: 100%; }
  .cart-table tr { border-bottom: 1px solid var(--color-border); padding: 0.5rem 0; }
  .cart-table td { border: none; padding: 0.35rem 0.9rem; }
  .cart-qty { justify-content: flex-start; }
}