/* ==========================================================================
   MUSKETEER — Components: buttons, cards, badges, forms, drawer, accordion
   ========================================================================== */

/* --- Buttons -------------------------------------------------------------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85em 1.8em;
  font-family: var(--font-ui);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bg);
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover { --btn-bg: var(--ink); --btn-fg: var(--paper); }

.btn--gold { --btn-bg: var(--gold-deep); --btn-fg: var(--paper); }
.btn--gold:hover { --btn-bg: var(--gold); }

.btn--invert { --btn-bg: var(--paper); --btn-fg: var(--ink); }

.btn--block { width: 100%; }
.btn--sm { padding: 0.6em 1.2em; }

.btn[disabled], .btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* Inline text link with underline reveal */
.link {
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.link:hover { color: var(--gold-deep); }

/* --- Badges & pills ------------------------------------------------------- */
.badge {
  position: absolute;
  top: -8px; right: -10px;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  display: grid; place-items: center;
  font-family: var(--font-ui);
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1;
  color: var(--paper);
  background: var(--gold-deep);
  border-radius: 999px;
}
.badge[hidden] { display: none; }

.tag {
  display: inline-block;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --- Product card --------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  position: relative;
}
.card__media {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;       /* taller, editorial portrait */
  overflow: hidden;
  background: var(--paper-3);
}
.card__media img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease), opacity 0.5s var(--ease);
}
/* Hover image-swap: the alt (second) image fades in over the primary */
.card__media-alt { opacity: 0; }
.card:hover .card__media-alt { opacity: 1; }
.card:hover .card__media img { transform: scale(1.03); }

.card__wish {
  position: absolute;
  top: var(--space-2); right: var(--space-2);
  z-index: 2;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: rgba(250, 249, 246, 0.86);
  border-radius: 999px;
  backdrop-filter: blur(4px);
  color: var(--ink);
}
.card__wish svg,
.card__wish i {
  width: 18px;
  height: 18px;
  font-size: 18px;
  line-height: 1;
}
.card__wish[aria-pressed="true"] { color: var(--burgundy); }
.card__wish[aria-pressed="true"] svg { fill: currentColor; }

/* Quick-add: a control that rises from the media base on hover */
.card__quick {
  position: absolute;
  left: var(--space-2); right: var(--space-2); bottom: var(--space-2);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover .card__quick,
.card:focus-within .card__quick { opacity: 1; transform: translateY(0); }
@media (hover: none) { .card__quick { opacity: 1; transform: none; } }

.card__quick-btn {
  width: 100%;
  padding: 0.7em 1em;
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  background: rgba(250, 249, 246, 0.94);
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.card__quick-btn:hover { background: var(--ink); color: var(--paper); }

.card__sizes {
  display: none;
  flex-wrap: wrap;
  gap: 5px;
  padding: 6px;
  background: rgba(250, 249, 246, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
}
.card__quick.is-open .card__sizes { display: flex; }
.card__quick.is-open .card__quick-btn { display: none; }
.card__size {
  flex: 1 1 auto;
  min-width: 2.4rem;
  padding: 0.5em 0.2em;
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card__size:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.card__body { padding-block: var(--space-3); }
.card__title { font-size: var(--step-1); font-weight: 500; }
.card__meta {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: var(--step--1); color: var(--text-muted); margin-top: 4px;
}
.card__swatch {
  width: 12px; height: 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  flex: none;
}
.card__price { font-family: var(--font-ui); font-size: var(--step--1); margin-top: var(--space-2); letter-spacing: 0.02em; }

/* --- Color swatch --------------------------------------------------------- */
/* Both are rendered as <span>, so they need an explicit box — inline elements
   ignore width/height and the swatch collapses to a hairline. */
.swatch {
  display: block;
  width: 28px; height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 2px var(--paper);
}
.swatch-btn {
  display: inline-flex;
  padding: 3px;
  border: 1px solid transparent;
  border-radius: 999px;
}
.swatch-btn[aria-pressed="true"] { border-color: var(--ink); }

/* --- Size selector -------------------------------------------------------- */
.size-grid { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.size-opt {
  min-width: 3rem;
  padding: 0.6em 0.4em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.size-opt:hover { border-color: var(--ink); }
.size-opt[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* --- Quantity stepper ----------------------------------------------------- */
.qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.qty button { width: 2.4rem; height: 2.4rem; font-size: 1.1rem; }
.qty input {
  width: 2.6rem; height: 2.4rem;
  text-align: center;
  border: 0;
  border-inline: 1px solid var(--line);
  background: transparent;
}
.qty input::-webkit-outer-spin-button,
.qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* --- Forms ---------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: var(--space-3); }
.field > label {
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.input, .textarea, .select {
  width: 100%;
  padding: 0.8em 0.9em;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--gold-deep); }
.textarea { min-height: 7rem; resize: vertical; }
.field__error { font-size: var(--step--1); color: var(--danger); min-height: 1em; }
.input[aria-invalid="true"] { border-color: var(--danger); }

/* --- Accordion ------------------------------------------------------------ */
.accordion { border-top: 1px solid var(--line); }
.accordion__item { border-bottom: 1px solid var(--line); }
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--step-1);
}
.accordion__trigger::after {
  content: "+";
  font-family: var(--font-ui);
  color: var(--gold-deep);
  transition: transform var(--dur) var(--ease);
}
.accordion__trigger[aria-expanded="true"]::after { content: "–"; }
.accordion__panel { padding-bottom: var(--space-3); color: var(--ink-soft); }
.accordion__panel[hidden] { display: none; }

/* --- Notes / callouts ----------------------------------------------------- */
.note {
  padding: var(--space-3);
  background: var(--paper-2);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  font-size: var(--step--1);
}

/* --- Toast ---------------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-4);
  transform: translate(-50%, 1.5rem);
  z-index: var(--z-toast);
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* --- Mobile refinements --------------------------------------------------- */
@media (max-width: 760px) {
  /* iOS Safari zooms the whole page when a focused control is under 16px, which
     leaves the user zoomed-in mid-checkout with no way back. */
  .input, .textarea, .select, .qty input { font-size: 16px; }

  /* Comfortable thumb targets (Apple/Material both land at ~44px). */
  .btn { padding: 1em 1.6em; min-height: 48px; }
  .btn--sm { padding: 0.7em 1.2em; min-height: 40px; }
  .size-opt { min-width: 3.25rem; min-height: 44px; }
  .qty button { width: 2.75rem; height: 2.75rem; }
  .qty input { height: 2.75rem; }
  .swatch-btn { padding: 8px; }

  /* Cards go two-up: one-up on a phone is a ~700px scroll per product, which
     buries the grid. Typography steps down to match the narrower column. */
  .card__body { padding-block: var(--space-2); }
  .card__title { font-size: var(--step-0); line-height: var(--leading-snug); }
  .card__wish { width: 40px; height: 40px; }
  .card__quick-btn { padding: 0.65em 0.5em; letter-spacing: 0.08em; }
  .card__size { min-width: 2rem; padding: 0.6em 0.2em; }

  /* Toast sits above the PDP sticky bar rather than under it. */
  body:has(.pdp-sticky) .toast { bottom: calc(5.5rem + var(--space-2)); }
}