:root {
  color-scheme: light;
  --canvas: #f4f5f2;
  --surface: #ffffff;
  --surface-muted: #f8f9f6;
  --ink: #171a18;
  --ink-soft: #606762;
  --line: #d9ded9;
  --line-strong: #b9c1bb;
  --accent: #176b4d;
  --accent-hover: #11563d;
  --accent-soft: #e7f1eb;
  --warning: #a04f15;
  --danger: #a32f2f;
  --danger-soft: #fff0ef;
  --focus: #24815e;
  --radius: 6px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  background: var(--canvas);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--canvas);
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button,
select,
input[type="checkbox"],
.upload-zone {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.upload-zone:focus-within,
a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 30%, transparent);
  outline-offset: 2px;
}

.topbar {
  height: 58px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--ink);
  border-radius: 5px;
  font-family: Georgia, serif;
  font-size: 18px;
}

.model-badge,
.connection-status,
.result-count,
.sample-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 26px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: var(--surface-muted);
  font-size: 12px;
  font-weight: 650;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

main {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 22px 28px 36px;
}

.connection {
  display: grid;
  grid-template-columns: minmax(150px, 0.36fr) minmax(480px, 1fr);
  align-items: end;
  gap: 24px;
  padding: 0 0 20px;
}

.connection-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
}

.connection-heading h1,
.results-header h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: 0;
}

.connection-status.ready {
  color: var(--accent);
  border-color: #bbd7c8;
  background: var(--accent-soft);
}

.connection-fields {
  display: grid;
  grid-template-columns: minmax(240px, 1.15fr) minmax(220px, 1fr) auto;
  align-items: end;
  gap: 12px;
}

.field {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field > span:first-child,
.section-label {
  color: #414742;
  font-size: 12px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input,
select {
  height: 42px;
  padding: 0 12px;
}

textarea {
  min-height: 136px;
  padding: 12px;
  resize: vertical;
  line-height: 1.55;
}

input:hover,
select:hover,
textarea:hover {
  border-color: #929c95;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 1px var(--focus);
  outline: none;
}

.reveal-control {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 2px;
  color: var(--ink-soft);
  white-space: nowrap;
  font-size: 12px;
  font-weight: 650;
}

.reveal-control input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--accent);
}

.studio {
  min-height: 670px;
  display: grid;
  grid-template-columns: minmax(360px, 430px) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.controls-panel {
  padding: 20px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 3px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.tab {
  height: 36px;
  border: 0;
  border-radius: 4px;
  color: var(--ink-soft);
  background: transparent;
  font-size: 13px;
  font-weight: 700;
}

.tab:hover {
  color: var(--ink);
}

.tab.active {
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(25, 31, 27, 0.12);
}

.mode-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mode-panel[hidden] {
  display: none;
}

.prompt-field {
  position: relative;
}

.prompt-field textarea {
  padding-bottom: 32px;
}

.character-count {
  position: absolute;
  right: 10px;
  bottom: 9px;
  color: #858d87;
  font-size: 11px;
  pointer-events: none;
}

.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 12px;
}

.options-grid.two-columns {
  grid-template-columns: 1fr 1fr;
}

.primary-button,
.secondary-button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 750;
  text-decoration: none;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.primary-button {
  width: 100%;
  height: 44px;
  gap: 9px;
  border: 1px solid var(--accent);
  color: #fff;
  background: var(--accent);
}

.primary-button:hover:not(:disabled) {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.spinner {
  display: none;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 750ms linear infinite;
}

.primary-button.loading .spinner {
  display: block;
}

.upload-section {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.upload-zone {
  min-height: 154px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-muted);
  text-align: center;
  transition: border-color 140ms ease, background-color 140ms ease;
}

.upload-zone:hover,
.upload-zone.dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.upload-symbol {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent);
  background: var(--surface);
  font-size: 20px;
  line-height: 1;
}

.upload-meta {
  color: var(--ink-soft);
  font-size: 11px;
}

.source-preview {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #202522;
}

.source-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.icon-button {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  color: #fff;
  background: rgba(20, 24, 21, 0.78);
  font-size: 22px;
  line-height: 1;
}

.results-panel {
  min-width: 0;
  padding: 24px;
  background: var(--surface-muted);
}

.results-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
}

.result-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.result-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.result-card img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #202522;
}

.sample-card {
  grid-column: 1 / -1;
}

.sample-card img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.result-actions {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 9px 10px;
  border-top: 1px solid var(--line);
}

.sample-label {
  margin-right: auto;
}

.secondary-button {
  min-height: 32px;
  padding: 6px 11px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--surface);
  font-size: 12px;
}

.secondary-button:hover {
  border-color: #89938c;
  background: var(--surface-muted);
}

.error-message {
  margin-bottom: 16px;
  padding: 11px 12px;
  border: 1px solid #efc4c0;
  border-radius: var(--radius);
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 13px;
  line-height: 1.45;
}

.loading-state {
  position: relative;
  overflow: hidden;
  min-height: 112px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.loading-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 35%;
  height: 3px;
  background: var(--accent);
  animation: progress 1.3s ease-in-out infinite;
}

.loading-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.loading-copy strong {
  font-size: 14px;
}

.loading-copy span {
  color: var(--ink-soft);
  font-size: 12px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes progress {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(320%); }
}

@media (max-width: 980px) {
  .connection {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .studio {
    grid-template-columns: minmax(330px, 390px) minmax(0, 1fr);
  }

  .result-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topbar {
    height: 54px;
    padding: 0 16px;
  }

  .model-badge {
    max-width: 120px;
  }

  main {
    padding: 16px 12px 28px;
  }

  .connection-fields {
    grid-template-columns: 1fr;
  }

  .reveal-control {
    height: 24px;
  }

  .studio {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .controls-panel {
    padding: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .results-panel {
    padding: 18px 14px;
  }

  .result-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .brand {
    font-size: 14px;
  }

  .brand-mark {
    width: 26px;
    height: 26px;
  }

  .model-badge {
    padding: 3px 7px;
    font-size: 11px;
  }

  .connection-heading {
    justify-content: space-between;
  }

  .options-grid,
  .options-grid.two-columns {
    grid-template-columns: 1fr;
  }

  .result-actions {
    flex-wrap: wrap;
  }

  .secondary-button {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}