/* =========================================================
   Result — Loading Section, Progress, Result Display, Prompt
   ========================================================= */

/* --- Section visibility utility ------------------------- */
.is-hidden {
  display: none !important;
}

/* --- Loading Section ------------------------------------- */
.loading-section {
  display: none;
}

.loading-section.active {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  animation: page-enter 0.38s var(--ease-gallery) both;
}

.loading-card {
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: var(--sp-10) var(--sp-12);
  text-align: center;
  box-shadow: var(--shadow-md);
  width: min(580px, 92%);
}

.loading-stage-text {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-ink);
  margin-bottom: var(--sp-8);
  min-height: 2em;
  letter-spacing: 0.03em;
}

.loading-stage-text .stage-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin-top: var(--sp-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.progress-track {
  position: relative;
  height: 3px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto var(--sp-4);
  max-width: 480px;
}

.progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-mid) 100%);
  border-radius: var(--radius-full);
  transition: width 500ms var(--ease-gallery);
}

.progress-glow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 12px;
  background: radial-gradient(ellipse, rgba(139,37,0,0.6) 0%, transparent 70%);
  right: 0;
  pointer-events: none;
}

.progress-pct {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.loading-dots-row {
  display: flex;
  justify-content: center;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

/* --- Result Section -------------------------------------- */
.result-section {
  display: none;
}

.result-section.active {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: var(--sp-3);
  padding-bottom: var(--sp-2);
  animation: page-enter 0.38s var(--ease-gallery) both;
}

/* --- Result Grid: 7 units — [1 empty][4 image][1 panel][1 empty] */
.result-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 4fr 1fr 1fr;
  gap: var(--sp-4);
  align-items: stretch;
}

.result-image-frame {
  grid-column: 2;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-img);
  background: var(--color-surface-alt);
  height: 100%;
}

.result-panel {
  grid-column: 3;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  min-height: 0;
  overflow: hidden;
}

.result-image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.result-image-frame .image-label {
  position: absolute;
  bottom: var(--sp-4);
  right: var(--sp-6);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.result-description-card {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--sp-6) var(--sp-6);
  box-shadow: var(--shadow-sm);
}

.result-description-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--color-rule);
}

.card-header-label {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.card-header-tag {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-full);
  padding: var(--sp-1) var(--sp-3);
  letter-spacing: 0.06em;
}

.result-description-text {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  color: var(--color-ink);
  white-space: pre-wrap;
}

.result-description-text .cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--color-accent);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink-cursor 0.9s step-end infinite;
}

.result-actions {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-ink);
  background: transparent;
  border: 1px solid var(--color-rule-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease-smooth),
    border-color var(--dur-fast),
    color var(--dur-fast);
  text-decoration: none;
  width: 100%;
}

.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-ink-subtle);
}

.btn-secondary.accent {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary.accent:hover {
  background: var(--color-accent-soft);
}

/* --- Global Error Box ------------------------------------ */
.global-error {
  display: none;
  margin-top: var(--sp-6);
  padding: var(--sp-4) var(--sp-6);
  background: #fff5f4;
  border: 1px solid #f5c6c0;
  border-left: 3px solid #c0392b;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: #922b21;
  line-height: var(--leading-normal);
}

.global-error.visible {
  display: block;
}

/* --- Prompt Preview (below grid) ---- */
.prompt-preview {
  display: none;
  flex-shrink: 0;
  padding: var(--sp-2) var(--sp-3);
  background: var(--color-surface);
  border: 1px dashed var(--color-rule-dark);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-muted);
  word-break: break-word;
}

.prompt-preview.visible { display: block; }

.prompt-preview .prompt-label {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 3px;
}