/* proofs.css — prominent proof-screenshot presentation. Owned by the "proofs" work. Uses tokens from app.css. */

.proof-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-4);
  margin: var(--space-4) 0 var(--space-6);
}

/* First screenshot reads as the hero of the submission page. */
.proof-gallery .proof-frame-hero {
  grid-column: 1 / -1;
}
.proof-gallery .proof-frame-hero img {
  max-height: 42rem;
}

.proof-frame {
  margin: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.proof-frame:hover,
.proof-frame:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-raised);
  border-color: var(--color-gold);
}

.proof-link {
  position: relative;
  display: block;
  background: #0c0a07;
}

.proof-link img {
  display: block;
  width: 100%;
  max-height: 26rem;
  aspect-ratio: auto;
  object-fit: contain;
  background: #0c0a07;
}

.proof-kind-badge {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 1;
  background: var(--color-bg-raised);
  color: var(--color-gold-bright);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  pointer-events: none;
}

.proof-zoom-hint {
  position: absolute;
  right: var(--space-2);
  bottom: var(--space-2);
  z-index: 1;
  background: rgba(20, 17, 13, 0.85);
  color: var(--color-parchment);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  font-size: var(--fs-xs);
  opacity: 0;
  transition: opacity 160ms ease;
  pointer-events: none;
}

.proof-frame:hover .proof-zoom-hint,
.proof-frame:focus-within .proof-zoom-hint {
  opacity: 1;
}

.proof-frame figcaption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-parchment-dim);
  border-top: 1px solid var(--color-border);
}

.proof-link:focus-visible {
  outline: 2px solid var(--color-gold-bright);
  outline-offset: 2px;
}

/* Lightbox overlay — inert without JS; JS toggles [hidden]. */
.proof-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.proof-lightbox[hidden] {
  display: none;
}

.proof-lightbox-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(12, 10, 7, 0.9);
  border: none;
  padding: 0;
  cursor: pointer;
}

.proof-lightbox-content {
  position: relative;
  z-index: 1;
  /* Scale to the viewport (no fixed rem cap) so large screenshots use the
     whole screen on high-res monitors instead of a ~960px box. */
  max-width: 96vw;
  max-height: 96vh;
  background: var(--color-bg-card);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised);
  padding: var(--space-3);
}

.proof-lightbox-content img {
  display: block;
  max-width: 100%;
  max-height: calc(96vh - 2 * var(--space-3));
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.proof-lightbox-close {
  position: absolute;
  top: -0.75rem;
  right: -0.75rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-bg);
  border: 1px solid var(--color-gold-dim);
  font-size: var(--fs-lg);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.proof-lightbox-close:hover {
  background: var(--color-gold-bright);
}

.proof-lightbox-close:focus-visible,
.proof-lightbox-backdrop:focus-visible {
  outline: 2px solid var(--color-gold-bright);
  outline-offset: 2px;
}

@media (max-width: 40rem) {
  .proof-gallery {
    grid-template-columns: 1fr;
  }
  .proof-link img,
  .proof-gallery .proof-frame-hero img {
    max-height: 60vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .proof-frame {
    transition: none;
  }
  .proof-frame:hover,
  .proof-frame:focus-within {
    transform: none;
  }
  .proof-zoom-hint {
    transition: none;
  }
}

/* --- Dropzone / paste / preview for the submission form ---------------- */

.proof-dropzone {
  display: block;
  margin: 0 0 var(--space-4);
  padding: var(--space-4);
  text-align: center;
  background: var(--color-bg-card);
  border: 2px dashed var(--color-gold-dim);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.proof-dropzone:hover {
  border-color: var(--color-gold);
}

.proof-dropzone:focus-visible {
  outline: 2px solid var(--color-gold-bright);
  outline-offset: 2px;
}

.proof-dropzone.is-dragover {
  border-color: var(--color-gold);
  background: var(--color-bg-raised);
}

.proof-dropzone-text {
  margin: 0;
  color: var(--color-parchment-dim);
  font-size: var(--fs-sm);
}

.proof-dropzone-text strong {
  color: var(--color-gold);
}

.proof-dropzone-note {
  margin: var(--space-2) 0 0;
  min-height: 1em;
  font-size: var(--fs-xs);
  color: var(--color-gold-dim);
}

.proof-slot-preview {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.proof-slot-preview:empty {
  margin-top: 0;
}

.proof-slot-preview-img {
  display: block;
  width: 4.5rem;
  height: 4.5rem;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #0c0a07;
}

.proof-slot-preview-name {
  font-size: var(--fs-xs);
  color: var(--color-parchment-dim);
  word-break: break-all;
}

@media (prefers-reduced-motion: reduce) {
  .proof-dropzone {
    transition: none;
  }
}

/* --- Progressive proof slot reveal ------------------------------------- */

.proof-slot-collapsed {
  display: none;
}

.proof-add-slot {
  margin: 0 0 var(--space-4);
}