/*
  base.css — Reset, base elements, grid, utilities, and components (btn, card, badge, chip)
  Uses tokens from assets/css/tokens.css
*/

/* Reset & base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

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

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--color-accent) 60%, transparent);
  outline-offset: 2px;
}

/* Layout */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--spacing-4);
}

.section {
  padding-block: clamp(2rem, 4vw, 4rem);
}

.section__title {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  margin: 0 0 var(--spacing-4);
}

.muted {
  color: var(--color-muted);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid--auto {
  grid-template-columns: repeat(var(--cols, 1), minmax(0, 1fr));
}

/* Responsive columns: 1 / 2 / 3-4 */
@media (max-width: 480px) {
  .grid--responsive {
    --cols: 1;
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  .grid--responsive {
    --cols: 2;
  }
}

@media (min-width: 769px) {
  .grid--responsive {
    --cols: 4;
  }
}

/* Header */
header.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  gap: var(--spacing-3);
  align-items: center;
}

.nav a {
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
}

.nav a[aria-current="page"],
.nav a:hover {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-secondary);
}

.brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
}

.brand__logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-primary), var(--color-secondary));
}

.header__spacer {
  flex: 1;
}

.city-select {
  min-width: 160px;
}

/* Footer */
footer.site-footer {
  background: var(--color-secondary);
  color: var(--on-secondary);
  padding: 2rem 0;
  margin-top: 3rem;
}

.site-footer a {
  color: #fff;
  opacity: .9;
}

.site-footer a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: .6rem .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: .2s ease;
  box-shadow: var(--shadow-sm);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--on-primary);
}

.btn--primary:hover {
  filter: brightness(1.05);
}

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

.btn--secondary:hover {
  filter: brightness(1.08);
}

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

.btn--outline:hover {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--sm {
  padding: .4rem .6rem;
  font-size: .9rem;
}

.btn--lg {
  padding: .8rem 1.1rem;
  font-size: 1.05rem;
}

.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.badge--success {
  background: color-mix(in srgb, var(--color-success) 18%, #fff);
  color: #0a5c25;
  border-color: color-mix(in srgb, var(--color-success) 35%, #fff);
}

.badge--warning {
  background: color-mix(in srgb, var(--color-warning) 22%, #fff);
  color: #7a5600;
  border-color: color-mix(in srgb, var(--color-warning) 40%, #fff);
}

.badge--danger {
  background: color-mix(in srgb, var(--color-danger) 18%, #fff);
  color: #7a0010;
  border-color: color-mix(in srgb, var(--color-danger) 35%, #fff);
}

.badge--muted {
  background: #F2F3F5;
  color: #555;
  border-color: #E6E8EA;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: .85rem;
}

.chip[data-active="true"] {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 12%, #fff);
}

.chip__dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden; 
}

.card__body {
  padding: var(--spacing-4);
}

.card__footer {
  padding: var(--spacing-3) var(--spacing-4);
  background: #FAFAFB;
  border-top: 1px solid var(--color-border);
}

.card--product .media {
  aspect-ratio: 4/3;
  background: #EEE;
  display: block;
  overflow: hidden;
}

.card--product .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card--product .title {
  margin: .5rem 0 .25rem;
  font-weight: 600;
}

.card--product .price {
  font-weight: 700;
}

.card--product .badges {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .35rem;
}

.card--promo .rule {
  color: var(--color-text);
}

/* Forms */
.field {
  display: grid;
  gap: .35rem;
}

.input,
.select,
.textarea {
  padding: .6rem .7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--color-accent);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: .6rem .5rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

/* Helpers */
.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--spacing-2);
}

.gap-3 {
  gap: var(--spacing-3);
}

.gap-4 {
  gap: var(--spacing-4);
}

.mt-2 {
  margin-top: var(--spacing-2);
}

.mt-3 {
  margin-top: var(--spacing-3);
}

.mt-4 {
  margin-top: var(--spacing-4);
}

.mb-2 {
  margin-bottom: var(--spacing-2);
}

.mb-3 {
  margin-bottom: var(--spacing-3);
}

.mb-4 {
  margin-bottom: var(--spacing-4);
}

.py-2 {
  padding-block: var(--spacing-2);
}

.py-3 {
  padding-block: var(--spacing-3);
}

.py-4 {
  padding-block: var(--spacing-4);
}

.px-2 {
  padding-inline: var(--spacing-2);
}

.px-3 {
  padding-inline: var(--spacing-3);
}

.px-4 {
  padding-inline: var(--spacing-4);
}

.text-center {
  text-align: center;
}

.hidden {
  display: none !important;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  display: grid;
  gap: .5rem;
  z-index: 9999;
}

.toast {
  background: var(--color-secondary);
  color: var(--on-secondary);
  padding: .6rem .8rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: .98;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 20%, #fff), #fff);
  padding: clamp(2rem, 6vw, 5rem) 0;
}

.hero__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 0 0 1rem;
}

.hero__actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

/* Badges by state */
.state--disponible {}

.state--agotado {
  opacity: .7;
  filter: grayscale(.2);
}

.state--fuera_horario {
  opacity: .7;
}