/* ============================================================
   ANIMAL ID — Components
   Reusable UI primitives. Built on tokens from colors_and_type.css.
   ============================================================ */

/* ---------- Containers ---------- */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-pad); }
.stack { display: flex; flex-direction: column; gap: var(--s-4); }
.stack-lg { display: flex; flex-direction: column; gap: var(--s-8); }
.stack-xl { display: flex; flex-direction: column; gap: var(--s-12); }
.row { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--s-2);
  height: 44px; padding: 0 var(--s-5);
  font-family: inherit; font-weight: var(--fw-semibold); font-size: var(--fs-body);
  line-height: 1; white-space: nowrap;
  border: 1px solid transparent; border-radius: var(--r-pill);
  background: transparent; color: inherit; cursor: pointer;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-emphasized),
              transform var(--dur-fast) var(--ease-standard);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--sm { height: 36px; padding: 0 var(--s-4); font-size: var(--fs-body-sm); }
.btn--lg { height: 56px; padding: 0 var(--s-8); font-size: var(--fs-body-lg); }
.btn--icon { width: 44px; padding: 0; }

.btn--primary {
  background: var(--color-action-primary); color: var(--color-action-on-primary);
  border-color: var(--color-action-primary);
}
.btn--primary:hover { background: var(--color-action-primary-hover); border-color: var(--color-action-primary-hover); }
.btn--primary:active { background: var(--color-action-primary-active); border-color: var(--color-action-primary-active); }

.btn--secondary {
  background: transparent; color: var(--color-action-primary);
  border-color: var(--color-action-primary);
}
.btn--secondary:hover { background: var(--c-brand-green-050); }

.btn--ghost { background: transparent; color: var(--color-text-primary); }
.btn--ghost:hover { background: var(--c-brand-dark-025); }

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

.btn--urgent {
  background: var(--color-action-urgent); color: var(--color-action-on-urgent);
  border-color: var(--color-action-urgent);
}
.btn--urgent:hover { background: var(--color-action-urgent-hover); border-color: var(--color-action-urgent-hover); }

.btn--accent {
  background: var(--c-brand-yellow-500); color: var(--c-brand-dark-700);
  border-color: var(--c-brand-yellow-500);
}
.btn--accent:hover { filter: brightness(0.95); }

.btn--inverse { background: #fff; color: var(--c-brand-dark-700); border-color: #fff; }
.btn--inverse:hover { background: var(--c-brand-dark-025); }

.btn--glow:hover { box-shadow: 0 0 0 8px rgba(78,157,87,.18), 0 8px 24px rgba(78,157,87,.32); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ---------- Inputs ---------- */
.field { display: flex; flex-direction: column; gap: var(--s-2); }
.field__label { font-size: var(--fs-body-sm); font-weight: var(--fw-medium); color: var(--color-text-primary); }
.field__hint { font-size: var(--fs-body-sm); color: var(--color-text-secondary); }
.field__error { font-size: var(--fs-body-sm); color: var(--color-action-danger); }
.req { color: var(--color-action-danger); margin-left: 2px; }

.input, .select, .textarea {
  height: 48px; width: 100%; padding: 0 var(--s-4);
  font-family: inherit; font-size: var(--fs-body); color: var(--color-text-primary);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border); border-radius: var(--r-md);
  transition: border-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard);
}
.textarea { height: auto; min-height: 96px; padding: var(--s-3) var(--s-4); resize: vertical; }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--color-action-primary); box-shadow: var(--shadow-focus);
}
.input[aria-invalid="true"] { border-color: var(--color-action-danger); }
.input::placeholder { color: var(--color-text-secondary); }

.input-group { display: flex; gap: var(--s-2); align-items: stretch; }
.input-group .input { flex: 1; }

/* ---------- Chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: var(--s-1);
  padding: 4px 12px;
  font-size: var(--fs-caption); font-weight: var(--fw-semibold);
  text-transform: uppercase; letter-spacing: 0.04em;
  background: var(--c-brand-green-100); color: var(--c-brand-green-700);
  border-radius: var(--r-pill);
}
.chip--warning { background: var(--c-status-warning-100); color: #7a4a00; }
.chip--neutral { background: var(--c-brand-dark-025); color: var(--c-brand-dark-500); }
.chip--urgent  { background: var(--c-status-urgent-100); color: var(--c-status-urgent-600); }

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  box-shadow: var(--shadow-sm);
}
.card--soft { background: var(--color-bg-surface-alt); border-color: transparent; box-shadow: none; }
.card--brand { background: var(--color-action-primary); color: var(--color-text-on-brand); border-color: transparent; }

/* ---------- Segment card ---------- */
.segment-card {
  background: var(--color-bg-surface-alt);
  border-radius: var(--r-lg);
  padding: var(--s-8);
  display: flex; flex-direction: column; gap: var(--s-4);
}
.segment-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--s-2); }
.segment-card li {
  display: flex; gap: var(--s-2); align-items: flex-start;
  font-size: var(--fs-body); color: var(--color-text-primary);
}
.segment-card li::before {
  content: ""; flex: 0 0 20px; width: 20px; height: 20px; margin-top: 2px;
  background: var(--color-action-primary);
  -webkit-mask: url("assets/icons/ui/check.svg") center / 16px no-repeat;
          mask: url("assets/icons/ui/check.svg") center / 16px no-repeat;
}

/* ---------- Product card ---------- */
.product-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.product-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.product-card__media {
  aspect-ratio: 4/3; display: grid; place-items: center;
  background: var(--c-brand-dark-025); padding: var(--s-6);
}
.product-card__media img { max-width: 80%; max-height: 80%; object-fit: contain; }
.product-card--tinted .product-card__media { background: var(--c-brand-green-100); }
.product-card--tinted-yellow .product-card__media { background: #FDEFD0; }
.product-card--tinted-orange .product-card__media { background: #FFE5D9; }
.product-card--3d .product-card__media { background: radial-gradient(ellipse at center, var(--c-brand-green-100) 0%, var(--c-brand-green-050) 70%, #fff 100%); }
.product-card__body { padding: var(--s-5); display: flex; flex-direction: column; gap: var(--s-2); }
.product-card__title { font-size: var(--fs-h4); font-weight: var(--fw-semibold); margin: 0; }
.product-card__desc { font-size: var(--fs-body-sm); color: var(--color-text-secondary); margin: 0; }
.product-card__price { font-size: var(--fs-h4); font-weight: var(--fw-bold); color: var(--color-text-primary); margin-top: var(--s-2); }
.product-card .btn { margin-top: var(--s-3); align-self: stretch; }

/* ---------- Alert callout ---------- */
.alert-callout {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  background: var(--c-status-warning-100);
  border-left: 4px solid var(--c-brand-yellow-500);
  border-radius: var(--r-md);
}
.alert-callout__icon {
  flex: 0 0 24px; width: 24px; height: 24px; display: grid; place-items: center;
  background: var(--c-brand-yellow-500); color: #fff; font-weight: var(--fw-bold);
  border-radius: 50%;
  animation: alert-pulse 2s ease-in-out infinite;
}
.alert-callout__body { margin: 0; font-weight: var(--fw-semibold); font-size: var(--fs-body-sm); }
@keyframes alert-pulse { 0%,100% { opacity: 0.6; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .alert-callout__icon { animation: none; } }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: var(--s-2); }
.faq-item {
  background: var(--color-bg-surface); border: 1px solid var(--color-border);
  border-radius: var(--r-md); padding: var(--s-4) var(--s-5);
}
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  font-weight: var(--fw-semibold); font-size: var(--fs-body-lg);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 24px; font-weight: 400; color: var(--color-text-secondary); }
.faq-item[open] summary::after { content: "−"; }
.faq-item__body { padding-top: var(--s-3); color: var(--color-text-secondary); }

/* ---------- Trust band ---------- */
.trust-band { background: var(--color-action-primary); color: #fff; padding: var(--s-10) 0; }
.trust-band__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-8);
  align-items: start;
}
.trust-band__item { display: flex; gap: var(--s-3); align-items: flex-start; }
.trust-band__item svg { flex: 0 0 28px; width: 28px; height: 28px; stroke: #fff; }
.trust-band__item p { margin: 0; font-weight: var(--fw-semibold); line-height: var(--lh-snug); }
@media (max-width: 1024px) { .trust-band__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .trust-band__grid { grid-template-columns: 1fr; } }

/* ---------- Banner ---------- */
.banner {
  background: var(--color-action-primary); color: #fff;
  padding: var(--s-12); border-radius: var(--r-xl);
  display: grid; grid-template-columns: 1fr auto; gap: var(--s-12); align-items: center;
}

/* ---------- Sections ---------- */
.section { padding: var(--s-16) 0; }
.section-lg { padding: var(--s-20) 0; }