:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-soft: #eef1ea;
  --ink: #18201d;
  --muted: #66726d;
  --line: #d8ded6;
  --primary: #16615a;
  --primary-strong: #0d443f;
  --accent: #b7472a;
  --shadow: 0 18px 50px rgba(31, 43, 37, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  min-height: 100dvh;
  padding: 28px;
}

.workspace {
  max-width: 1180px;
  margin: 0 auto;
}

.toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(32px, 5vw, 56px);
}

h2 {
  font-size: 24px;
}

.status {
  min-height: 38px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 14px;
}

.layout {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.controls {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

select,
input[type="number"] {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 0 12px;
}

select:focus,
input:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(22, 97, 90, 0.22);
  outline-offset: 2px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.segmented label {
  min-height: 40px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
}

.segmented input {
  position: absolute;
  opacity: 0;
}

.segmented label:has(input:checked) {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 6px rgba(31, 43, 37, 0.12);
}

.range-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58px;
  gap: 10px;
  align-items: center;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

output {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.generate-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 8px;
  background: var(--primary);
  color: white;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, opacity 160ms ease;
}

.generate-button:hover {
  background: var(--primary-strong);
}

.generate-button:active {
  transform: scale(0.98);
}

.generate-button:disabled {
  cursor: wait;
  opacity: 0.64;
}

.recognize-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--primary);
  padding: 0 14px;
  font-weight: 800;
  cursor: pointer;
}

.recognize-button:disabled {
  cursor: not-allowed;
  color: var(--muted);
  opacity: 0.55;
}

.button-icon {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-left-color: transparent;
  border-radius: 50%;
}

.generate-button:not(:disabled) .button-icon {
  border-left-color: currentColor;
  border-radius: 4px;
}

.generate-button:disabled .button-icon {
  animation: spin 800ms linear infinite;
}

.preview {
  min-height: 650px;
  padding: 18px;
}

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

.download-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 800;
}

.download-link[aria-disabled="true"] {
  pointer-events: none;
  color: var(--muted);
  opacity: 0.5;
}

.image-stage {
  min-height: 540px;
  display: grid;
  place-items: center;
  border: 1px solid #151916;
  border-radius: 8px;
  background: #050706;
  overflow: hidden;
}

.image-stage img {
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
}

.empty-state {
  color: #b9c5bf;
  font-weight: 700;
}

.message {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.recognition {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.recognition-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.recognition-list {
  display: grid;
  gap: 8px;
}

.recognition-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 56px;
  align-items: center;
  gap: 10px;
  min-height: 36px;
  color: var(--ink);
  font-size: 14px;
}

.confidence-track {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-soft);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
}

.confidence-value {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.message.error {
  color: #a12a22;
}

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

@media (max-width: 820px) {
  .app-shell {
    padding: 16px;
  }

  .toolbar,
  .preview-header,
  .recognition-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .recognition-item {
    grid-template-columns: 88px minmax(0, 1fr) 50px;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .preview,
  .image-stage {
    min-height: 420px;
  }
}