/* PriceHub — style.css
   Uses CSS custom properties defined inline in base.html.twig from config.yaml
   Mobile-first, breakpoints: 480px, 768px, 1024px, 1200px
*/

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

img { max-width: 100%; height: auto; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing) * 2);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--spacing) * 0.5);
  padding: calc(var(--spacing) * 1.25) calc(var(--spacing) * 2.5);
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
  text-decoration: none;
}

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

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background: color-mix(in srgb, var(--color-primary) 85%, #000);
  color: #fff;
  text-decoration: none;
}

.btn--secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

.btn--sm {
  padding: calc(var(--spacing) * 0.75) calc(var(--spacing) * 1.5);
  font-size: 0.85rem;
}

.btn--full { width: 100%; }

/* === HEADER === */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing) * 2);
  height: 60px;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: calc(var(--spacing) * 2);
  margin-right: auto;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: calc(var(--spacing) * 0.5) 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

.nav-link:hover, .nav-link:focus {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  text-decoration: none;
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: calc(var(--spacing) * 0.5);
}

.lang-link {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--color-text-muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.15s;
}

.lang-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.lang-link--active {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
}

/* Currency switcher */
.currency-switcher {
  display: flex;
  gap: 2px;
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  padding: 2px;
}

.currency-btn {
  background: transparent;
  border: none;
  padding: 4px 10px;
  border-radius: calc(var(--border-radius) - 2px);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: background 0.15s, color 0.15s;
}

.currency-btn:hover, .currency-btn--active {
  background: var(--color-primary);
  color: #fff;
}

/* === HERO === */
.hero {
  background: linear-gradient(135deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 60%, var(--color-secondary)));
  color: #fff;
  padding: calc(var(--spacing) * 8) 0;
  text-align: center;
}

.hero__headline {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: calc(var(--spacing) * 2);
}

.hero__sub {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* === PRODUCTS SECTION === */
.products-section {
  padding: calc(var(--spacing) * 6) 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing) * 4);
  color: var(--color-text);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: calc(var(--spacing) * 3);
}

/* === PRODUCT CARD === */
.product-card {
  background: var(--color-bg);
  border: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
  border-radius: var(--border-radius);
  padding: calc(var(--spacing) * 3);
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing) * 1.5);
}

.product-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

.product-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.product-card__badge {
  position: absolute;
  top: calc(var(--spacing) * -1.5);
  left: calc(var(--spacing) * 2);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-card__name {
  font-size: 1.15rem;
  font-weight: 700;
}

.product-card__name a {
  color: var(--color-text);
  text-decoration: none;
}

.product-card__name a:hover { color: var(--color-primary); }

.product-card__prices {
  display: flex;
  gap: calc(var(--spacing) * 2);
}

.product-card__best, .product-card__avg {
  display: flex;
  flex-direction: column;
}

.product-card__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-card__price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.product-card__count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.product-card__cta {
  margin-top: auto;
}

/* Sparkline */
.sparkline {
  height: 40px;
}
.sparkline svg {
  width: 100%;
  height: 40px;
}

/* === PRICE PAGE LAYOUT === */
.container .breadcrumb {
  margin: calc(var(--spacing) * 2) 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

.product-header {
  margin-bottom: calc(var(--spacing) * 4);
}

.product-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  margin-bottom: calc(var(--spacing) * 1);
}

.product-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: calc(var(--spacing) * 2);
}

.best-price {
  color: var(--color-primary);
  font-size: 1.3rem;
}

.price-stats {
  display: flex;
  gap: calc(var(--spacing) * 4);
  padding: calc(var(--spacing) * 2) calc(var(--spacing) * 3);
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  flex-wrap: wrap;
}

.price-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.price-stat__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.price-stat__value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
}

/* Product layout */
.product-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--spacing) * 4);
  margin-bottom: calc(var(--spacing) * 6);
}

@media (min-width: 1024px) {
  .product-layout {
    grid-template-columns: 1fr 320px;
  }
}

/* === PRICE TABLE === */
.price-table-wrapper {
  overflow-x: auto;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.price-table th {
  background: var(--color-bg-alt);
  padding: calc(var(--spacing) * 1.25) calc(var(--spacing) * 2);
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  border-bottom: 2px solid color-mix(in srgb, var(--color-text) 10%, transparent);
}

.price-table td {
  padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 2);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
  vertical-align: middle;
}

.price-row:hover { background: var(--color-bg-alt); }
.price-row--best { background: color-mix(in srgb, var(--color-secondary) 6%, transparent); }

.price-table__offer-title {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.price-table__price {
  text-align: right;
}

.price-table__price-col {
  text-align: right;
}

.price-amount {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-table__action {
  text-align: right;
  white-space: nowrap;
}

.price-table__meta {
  margin-top: calc(var(--spacing) * 1.5);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.badge-best {
  display: inline-block;
  background: var(--color-secondary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 8px;
  border-radius: 20px;
  margin-left: 6px;
  vertical-align: middle;
}

/* Condition badges */
.condition-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}

.condition-badge--new {
  background: color-mix(in srgb, var(--color-secondary) 15%, transparent);
  color: var(--color-secondary);
}

.condition-badge--refurbished {
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  color: var(--color-accent);
}

.variant-info {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 6px;
}

/* === CHART === */
.chart-section {
  margin-top: calc(var(--spacing) * 4);
}

.chart-section h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing) * 2);
}

.price-chart-container {
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  padding: calc(var(--spacing) * 2);
}

.price-chart {
  width: 100%;
  min-height: 200px;
}

.price-chart svg {
  width: 100%;
  overflow: visible;
}

.chart-line { fill: none; stroke: var(--color-primary); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart-area { fill: color-mix(in srgb, var(--color-primary) 15%, transparent); }
.chart-axis { stroke: color-mix(in srgb, var(--color-text) 20%, transparent); }
.chart-label { fill: var(--color-text-muted); font-size: 11px; font-family: var(--font-family); }
.chart-grid { stroke: color-mix(in srgb, var(--color-text) 8%, transparent); stroke-dasharray: 4 4; }
.chart-tooltip-circle { fill: var(--color-primary); stroke: #fff; stroke-width: 2; }
.chart-tooltip-bg { fill: var(--color-text); rx: 4; }
.chart-tooltip-text { fill: #fff; font-size: 11px; font-family: var(--font-family); font-weight: 600; }
.price-chart__loading { color: var(--color-text-muted); text-align: center; padding: calc(var(--spacing) * 4); }

/* === SIDEBAR === */
.product-sidebar {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing) * 3);
}

/* Alert form */
.alert-card {
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  padding: calc(var(--spacing) * 3);
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
}

.alert-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing) * 0.5);
}

.alert-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: calc(var(--spacing) * 2);
}

.form-group {
  margin-bottom: calc(var(--spacing) * 2);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing) * 0.5);
  color: var(--color-text);
}

.form-input {
  width: 100%;
  padding: calc(var(--spacing) * 1) calc(var(--spacing) * 1.5);
  border: 1.5px solid color-mix(in srgb, var(--color-text) 20%, transparent);
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.15s;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.form-status {
  padding: calc(var(--spacing)) 0;
  font-size: 0.875rem;
  min-height: 2em;
}

.form-status.success { color: var(--color-secondary); }
.form-status.error { color: var(--color-accent); }

/* Sidebar products */
.sidebar-products {
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  padding: calc(var(--spacing) * 2.5);
}

.sidebar-products h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing) * 1.5);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sidebar-products__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing));
}

.sidebar-product-link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: calc(var(--spacing));
  color: var(--color-text);
  padding: calc(var(--spacing)) calc(var(--spacing) * 1.5);
  border-radius: calc(var(--border-radius) / 2);
  transition: background 0.15s;
  text-decoration: none;
}

.sidebar-product-link:hover {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  text-decoration: none;
}

.sidebar-product__name {
  font-size: 0.9rem;
  font-weight: 500;
}

.sidebar-product__price {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* === FOOTER === */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  padding: calc(var(--spacing) * 4) 0;
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--spacing) * 1.5);
  text-align: center;
}

.footer-affiliate {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  gap: calc(var(--spacing) * 2);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link {
  background: none;
  border: none;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  font-family: var(--font-family);
}
.footer-link:hover { color: var(--color-primary); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* === OVERLAY === */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--spacing) * 2);
  visibility: hidden;
  pointer-events: none;
}

.overlay[aria-hidden="false"] {
  visibility: visible;
  pointer-events: all;
}

.overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.2s;
}

.overlay[aria-hidden="false"] .overlay__backdrop { opacity: 1; }

.overlay__panel {
  background: var(--color-bg);
  border-radius: var(--border-radius);
  max-width: 680px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  z-index: 1;
  box-shadow: 0 16px 48px rgba(0,0,0,.2);
  transform: translateY(16px);
  transition: transform 0.2s;
}

.overlay[aria-hidden="false"] .overlay__panel { transform: translateY(0); }

.overlay__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--spacing) * 2.5) calc(var(--spacing) * 3);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  position: sticky;
  top: 0;
  background: var(--color-bg);
}

.overlay__title {
  font-size: 1.1rem;
  font-weight: 700;
}

.overlay__close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
  line-height: 1;
  padding: 4px;
  border-radius: 4px;
  transition: background 0.15s;
}

.overlay__close:hover { background: var(--color-bg-alt); }

.overlay__body {
  padding: calc(var(--spacing) * 3);
  line-height: 1.7;
}

/* === COOKIE BANNER === */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-text);
  color: #fff;
  padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--spacing) * 2);
  z-index: 999;
  flex-wrap: wrap;
  text-align: center;
}

.cookie-banner[hidden] { display: none; }

.cookie-banner__message {
  font-size: 0.875rem;
  color: rgba(255,255,255,.9);
}

/* === NO-OFFERS === */
.no-offers { color: var(--color-text-muted); padding: calc(var(--spacing) * 3); text-align: center; }

/* === ALERT MESSAGE (confirm/unsubscribe pages) === */
.alert-msg {
  padding: calc(var(--spacing) * 4);
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-secondary);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .site-header .container {
    flex-wrap: wrap;
    height: auto;
    padding: calc(var(--spacing)) calc(var(--spacing) * 2);
    gap: calc(var(--spacing));
  }

  .currency-switcher { order: 3; width: 100%; justify-content: center; }
  .lang-switcher { order: 2; }

  .price-stats { gap: calc(var(--spacing) * 2); }
  .price-table__offer-title { display: none; }
}

@media (max-width: 480px) {
  .price-table th:nth-child(2),
  .price-table td:nth-child(2) { display: none; }
}