/* ============================================================
   ITZEL — components.css
   Buttons, cards, badges, forms, dialogs.
   ============================================================ */

/* Buttons --------------------------------------------------- */

.btn {
  --pad-x: 1.4rem;
  --pad-y: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  padding: var(--pad-y) var(--pad-x);
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  border: 1px solid currentColor;
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition: color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  user-select: none;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  transform: translateY(101%);
  transition: transform var(--dur) var(--ease-art);
  z-index: -1;
}

.btn:hover::before { transform: translateY(0); }

.btn:hover .btn__label {
  color: var(--bg);
}

.btn .btn__label {
  transition: color var(--dur) var(--ease-art);
}

.btn .btn__arrow {
  display: inline-block;
  transform: translateX(0);
  transition: transform var(--dur) var(--ease-out), color var(--dur) var(--ease-art);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
  color: var(--bg);
}

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.btn--primary::before {
  background: var(--fg-strong);
}

.btn--primary:hover {
  border-color: var(--fg-strong);
}

.btn--primary .btn__label { color: var(--bg); }
.btn--primary:hover .btn__label { color: var(--bg); }

.btn--ghost {
  color: var(--fg);
  border-color: var(--border-strong);
}

.btn--ghost:hover { color: var(--fg-strong); border-color: var(--accent); }
.btn--ghost::before { background: var(--accent); }

.btn--ghost[aria-pressed="true"] {
  color: var(--bg);
  border-color: var(--accent);
  background: var(--accent);
}
.btn--ghost[aria-pressed="true"]::before { display: none; }
.btn--ghost[aria-pressed="true"] .btn__label { color: var(--bg); }

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

.btn--link {
  border: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--step-0);
  position: relative;
}
.btn--link::before { display: none; }
.btn--link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out);
  transform-origin: right;
}
.btn--link:hover::after { transform: scaleX(0); transform-origin: left; }

/* Work cards (grid + strip) -------------------------------- */

.work-card {
  display: block;
  position: relative;
  text-decoration: none;
  color: inherit;
  isolation: isolate;
}

.work-card__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.work-card__frame--landscape { aspect-ratio: 5 / 4; }
.work-card__frame--square    { aspect-ratio: 1 / 1; }

.work-card__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-art),
              filter var(--dur-slow) var(--ease-art),
              opacity var(--dur) var(--ease-out);
  z-index: 1;
}

.work-card__art[data-loading] { opacity: 0; }

/* Painted placeholder — atmospheric gradient behind every artwork */
.work-card__placeholder {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(120% 100% at 30% 35%, var(--c2, #7a8a5a), transparent 55%),
    radial-gradient(90% 70% at 75% 70%, var(--c3, #d4a849), transparent 65%),
    radial-gradient(140% 120% at 50% 100%, var(--c1, #1f2a1c), var(--c1, #1f2a1c) 30%, transparent 85%),
    linear-gradient(180deg, color-mix(in oklab, var(--c1, #1f2a1c) 80%, black), var(--c1, #1f2a1c));
  filter: contrast(1.05) saturate(0.95);
}

.work-card__placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 50% 50%, transparent 60%, rgba(0,0,0,0.45)),
    repeating-linear-gradient(125deg, transparent 0 6px, rgba(255,255,255,0.012) 6px 7px);
  pointer-events: none;
}

.work-card__placeholder::before {
  content: "";
  position: absolute;
  inset: 20% 30%;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--c3, #d4a849) 40%, transparent), transparent);
  filter: blur(40px);
  opacity: 0.7;
  animation: drift 14s ease-in-out infinite;
}

.work-card:hover .work-card__art {
  transform: scale(1.04);
  filter: brightness(1.05);
}

.work-card__overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--sp-5);
  background: linear-gradient(0deg, rgba(0,0,0,0.6), rgba(0,0,0,0) 80%);
  color: #fff;
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}

.work-card:hover .work-card__overlay { opacity: 1; }

.work-card__info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
  font-size: var(--step--1);
}

.work-card__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  letter-spacing: -0.012em;
  line-height: 1.1;
  color: var(--fg-strong);
  font-weight: 360;
}

.work-card__meta {
  color: var(--fg-muted);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: right;
}

/* Status badge --------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.4em 0.9em;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid currentColor;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge--available { color: var(--success); }
.badge--sold      { color: var(--fg-muted); }
.badge--prints    { color: var(--accent); }

.badge--corner {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: 2;
}

/* Print variant selector ----------------------------------- */

.variants {
  display: grid;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.variant {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border);
  background: transparent;
  font-size: var(--step--1);
  font-family: var(--font-body);
  width: 100%;
  text-align: left;
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}

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

.variant[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--fg-strong);
}

.variant__size {
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: -0.01em;
}

.variant__price {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--fg-muted);
}

/* Shop product card ---------------------------------------- */

.product-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-4);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.product-card .work-card__frame { aspect-ratio: 1 / 1; }

.product-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
}

.product-card__head h3 {
  font-size: var(--step-2);
  font-weight: 360;
  line-height: 1.1;
}

.product-card__head .price {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--fg);
  white-space: nowrap;
}

.product-card__meta {
  font-size: var(--step--2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.product-card .btn { margin-top: auto; }

/* Cart list ------------------------------------------------- */

.cart-list {
  display: grid;
  gap: var(--sp-5);
}

.cart-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: var(--sp-5);
  align-items: center;
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--border);
}

@media (max-width: 560px) {
  .cart-item { grid-template-columns: 80px 1fr; }
  .cart-item__remove { grid-column: 2; justify-self: end; }
}

.cart-item__thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-card);
}

.cart-item__thumb img {
  width: 100%; height: 100%; object-fit: cover;
}

.cart-item__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.15;
}

.cart-item__meta {
  margin-top: var(--sp-2);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.cart-item__qty {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: var(--sp-1);
}

.cart-item__qty button {
  width: 1.8rem; height: 1.8rem;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--fg-muted);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast);
}

.cart-item__qty button:hover { color: var(--bg); background: var(--accent); }
.cart-item__qty span {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  min-width: 1.6rem;
  text-align: center;
}

.cart-item__remove {
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  transition: color var(--dur-fast);
}
.cart-item__remove:hover { color: var(--danger); }

.cart-empty {
  padding: var(--sp-9) var(--sp-5);
  text-align: center;
  border: 1px dashed var(--border-strong);
  color: var(--fg-muted);
}

.cart-empty h2 {
  font-family: var(--font-display);
  font-weight: 320;
  font-style: italic;
  font-size: var(--step-3);
  color: var(--fg);
  margin-bottom: var(--sp-3);
}

/* Inquire form (in artwork detail) -------------------------- */

.inquire {
  padding: var(--sp-5);
  border: 1px solid var(--border);
  background: var(--bg-card);
  margin-top: var(--sp-5);
}

.inquire h4 {
  font-size: var(--step-1);
  margin-bottom: var(--sp-2);
}

.inquire p {
  font-size: var(--step--1);
  color: var(--fg-muted);
  margin-bottom: var(--sp-4);
}

/* Toast ---------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--sp-7);
  transform: translateX(-50%) translateY(40px);
  z-index: 200;
  padding: var(--sp-3) var(--sp-5);
  background: var(--fg-strong);
  color: var(--bg);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  border-radius: 999px;
  box-shadow: 0 20px 50px -10px rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out);
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Custom cursor (phase 2 stub, harmless in phase 1) -------- */

.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: width var(--dur-fast), height var(--dur-fast), opacity var(--dur-fast);
}

@media (pointer: coarse) { .cursor { display: none; } }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}