/* ==========================================================================
   Autoseller — Catálogo
   Modo oscuro (default) + modo claro vía [data-theme="light"]
   ========================================================================== */

:root {
  --bg: #0E0F11;
  --surface: #17181B;
  --surface-2: #1E2024;
  --border: #2B2C31;
  --text: #F2F1EA;
  --text-muted: #8D8F96;
  --accent: #4C7CF0;
  --accent-bright: #7FA6FF;
  --accent-contrast: #FFFFFF;
  --shadow: rgba(0, 0, 0, 0.45);
  --radius: 8px;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

:root[data-theme="light"] {
  --bg: #F6F4EE;
  --surface: #FFFFFF;
  --surface-2: #F0ECE1;
  --border: #E1DBCB;
  --text: #201F1B;
  --text-muted: #767267;
  --accent: #0235A9;
  --accent-bright: #1E4FC4;
  --accent-contrast: #FFFFFF;
  --shadow: rgba(2, 53, 169, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition), color var(--transition);
}

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

button { font-family: inherit; cursor: pointer; }

::selection { background: var(--accent); color: var(--accent-contrast); }

/* ---------- Topbar ---------- */

.topbar {
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), border-color var(--transition);
}

.topbar__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand__logo {
  height: 100px;
  width: auto;
  border-radius: 5px;
}

.topbar__right { display: flex; align-items: center; gap: 16px; }

.topbar__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.theme-toggle {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.theme-toggle:hover { border-color: var(--accent); color: var(--accent-bright); transform: rotate(12deg); }

.icon-moon { display: none; }
:root[data-theme="light"] .icon-sun { display: none; }
:root[data-theme="light"] .icon-moon { display: block; }

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

.hero {
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 900px 380px at 15% -20%, color-mix(in srgb, var(--accent) 12%, transparent), transparent);
  transition: border-color var(--transition);
}

.hero__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 40px 24px 32px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: 0.01em;
  margin: 0;
}

/* ---------- Tabs ---------- */

.tabs {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), border-color var(--transition);
}

.tabs__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 4px;
}

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 13.5px;
  padding: 12px 14px;
  transition: color var(--transition), border-color var(--transition);
}

.tab:hover { color: var(--text); }

.tab.is-active {
  color: var(--accent-bright);
  border-bottom-color: var(--accent);
}

/* ---------- Search ---------- */

.search {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), border-color var(--transition);
}

.search__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px 0;
  position: relative;
}

.search__icon {
  position: absolute;
  left: 36px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search__input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 14px 12px 38px;
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.search__input:focus { border-color: var(--accent); outline: none; }
.search__input::placeholder { color: var(--text-muted); }

/* ---------- Filters ---------- */

.filters {
  z-index: 15;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), border-color var(--transition);
}

.filters__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 18px;
}

.filters-toggle {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  padding: 12px 24px;
}

.filters-toggle__chev { transition: transform var(--transition); opacity: 0.7; }
.filters.is-open .filters-toggle__chev { transform: rotate(180deg); }

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 140px;
}

.filter-group label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted);
}

.filter-group select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 10px;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.filter-group select:hover, .filter-group select:focus {
  border-color: var(--accent);
  outline: none;
}

/* ---------- Multiselect (Marca, Tipo, Transmisión, Origen, Motor) ---------- */

.filter-group--ms { position: relative; min-width: 170px; }

.ms-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 10px;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font-body);
  transition: border-color var(--transition), color var(--transition);
}

.ms-button:hover { border-color: var(--accent); }

.filter-group--ms.is-active .ms-button {
  border-color: var(--accent);
  color: var(--accent-bright);
}

.ms-button__label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ms-button__chev { flex-shrink: 0; opacity: 0.6; transition: transform var(--transition); }
.filter-group--ms.is-open .ms-button__chev { transform: rotate(180deg); }

.ms-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 230px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px var(--shadow);
  z-index: 30;
  padding: 8px;
  animation: ms-in 140ms ease;
}

@keyframes ms-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.ms-search {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 9px;
  border-radius: 5px;
  font-size: 12.5px;
  margin-bottom: 6px;
}

.ms-search:focus { border-color: var(--accent); outline: none; }

.ms-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 230px;
  overflow-y: auto;
}

.ms-option { border-radius: 5px; }

.ms-option__row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 5px;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 120ms;
}

.ms-option__row:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }

.ms-option__row input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.ms-option__row span:first-of-type { flex: 1; }

.ms-option__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.ms-actions {
  border-top: 1px solid var(--border);
  margin-top: 6px;
  padding-top: 6px;
  display: flex;
  justify-content: flex-end;
}

.ms-clear {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  padding: 4px 6px;
  transition: color var(--transition);
}

.ms-clear:hover { color: var(--accent-bright); }

/* ---------- Price range (doble slider) ---------- */

.filter-group--price { min-width: 260px; max-width: 320px; flex: 1; }

.currency-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  width: fit-content;
}

.currency-btn {
  background: var(--surface);
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-family: var(--font-body);
  font-weight: 500;
  padding: 6px 10px;
  transition: background-color var(--transition), color var(--transition);
}

.currency-btn + .currency-btn { border-left: 1px solid var(--border); }

.currency-btn:hover { color: var(--text); }

.currency-btn.is-active {
  background: var(--accent);
  color: var(--accent-contrast);
}

.price-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.price-num-input {
  width: 100%;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 8px;
  border-radius: 6px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  transition: border-color var(--transition);
}

.price-num-input:focus { border-color: var(--accent); outline: none; }
.price-num-input::placeholder { color: var(--text-muted); font-family: var(--font-body); }

/* remove native number spinners for a cleaner look */
.price-num-input::-webkit-outer-spin-button,
.price-num-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.price-num-input[type="number"] { -moz-appearance: textfield; }

.price-inputs__sep { color: var(--text-muted); font-size: 12px; }

.price-range {
  position: relative;
  height: 30px;
  display: flex;
  align-items: center;
}

.price-range__track,
.price-range__fill {
  position: absolute;
  height: 3px;
  border-radius: 2px;
  left: 0;
  right: 0;
}

.price-range__track { background: var(--border); }
.price-range__fill { background: var(--accent); }

.price-range__input {
  position: absolute;
  width: 100%;
  margin: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  pointer-events: none;
}

.price-range__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  pointer-events: auto;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 1px 4px var(--shadow);
  cursor: pointer;
  transition: transform 120ms;
}

.price-range__input::-webkit-slider-thumb:hover { transform: scale(1.15); }

.price-range__input::-moz-range-thumb {
  pointer-events: auto;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: pointer;
}

.price-range__input::-moz-range-track { background: transparent; }

.price-range__out {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-bright);
  margin-top: 2px;
  display: block;
}

.filter-clear {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 9px 14px;
  border-radius: var(--radius);
  font-size: 12.5px;
  transition: border-color var(--transition), color var(--transition);
}

.filter-clear:hover { border-color: var(--accent); color: var(--accent-bright); }

/* ---------- Catalog grid ---------- */

.catalog {
  max-width: 1240px;
  margin: 0 auto;
  padding: 36px 24px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 60px 24px;
  font-size: 14px;
}

/* ---------- Card ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  animation: card-in 420ms cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  box-shadow: 0 18px 34px var(--shadow);
}

.card__photo-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
  cursor: pointer;
  overflow: hidden;
}

.card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.card__photo-wrap:hover .card__photo { transform: scale(1.05); }

.card__photo-count {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 7px;
  border-radius: 4px;
}

.card__offer-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10.5px;
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.card__body {
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.25;
  margin: 0;
}

.card__year {
  color: var(--text-muted);
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 14px;
}

.card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
}

.card__specs span::after {
  content: '·';
  margin-left: 10px;
  color: var(--border);
}
.card__specs span:last-child::after { content: none; }

.card__footer {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.card__price-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.card__price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--accent-bright);
}

.card__price-old {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--text-muted) 70%, transparent);
}

.card__price--drop {
  color: #2FBE6A;
}

:root[data-theme="light"] .card__price--drop {
  color: #1E9E56;
}

.card__whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  background: #25D366;
  color: #08110B;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 11px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 150ms, filter 150ms;
}

.card__whatsapp:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 22px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* ---------- Lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 7, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fade-in 180ms ease;
}

.lightbox[hidden] { display: none; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.lightbox__img {
  max-width: 88vw;
  max-height: 84vh;
  object-fit: contain;
  border-radius: 6px;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: none;
  color: #fff;
  font-size: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  transition: background-color 150ms;
}

.lightbox__nav:hover { background: rgba(255,255,255,0.18); }

.lightbox__nav--prev { left: 20px; }
.lightbox__nav--next { right: 20px; }

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .card__photo, .theme-toggle, .lightbox { animation: none; transition: none; }
}

/* ---------- Mobile ---------- */

@media (max-width: 640px) {
  .filters-toggle { display: flex; }
  .filters__inner { display: none; gap: 12px; padding-top: 0; }
  .filters.is-open .filters__inner { display: flex; }
  .filter-group, .filter-group--price, .filter-group--ms { min-width: 45%; max-width: none; }
  .ms-panel { left: 0; right: 0; min-width: 0; }
  .hero__inner { padding: 30px 20px 24px; }
  .tabs__inner { padding: 0 20px; overflow-x: auto; }
  .search__inner { padding: 14px 20px 0; }
  .card__footer { flex-wrap: wrap; }
}