:root {
  color-scheme: light;
  --bg: #eef1f4;
  --panel: #ffffff;
  --panel-soft: #f7f8fa;
  --ink: #20242a;
  --ink-soft: #68717d;
  --line: #d9dee5;
  --accent: #147a72;
  --accent-strong: #0f5d59;
  --accent-soft: #dff3f0;
  --warning: #8b5e00;
  --warning-soft: #fff3cf;
  --danger: #b42318;
  --danger-soft: #fff0ed;
  --shadow: 0 10px 26px rgba(31, 41, 55, 0.08);
}

html.dark {
  color-scheme: dark;
  --bg: #171a1e;
  --panel: #22262b;
  --panel-soft: #191d22;
  --ink: #f2f4f7;
  --ink-soft: #a9b1bc;
  --line: #333a43;
  --accent: #5ac0b9;
  --accent-strong: #85d8d1;
  --accent-soft: #143b3a;
  --warning: #f4c15d;
  --warning-soft: #3e3013;
  --danger: #ff8a7a;
  --danger-soft: #3d1f1c;
  --shadow: 0 10px 26px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  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,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app {
  min-height: 100vh;
  padding: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 20px;
  line-height: 1.25;
}

h2 {
  font-size: 15px;
  line-height: 1.25;
}

.topbar p,
.preview-footer p {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 13px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: min(460px, 100%);
}

.topbar-actions select {
  min-width: 220px;
  flex: 1;
}

.workspace {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr) 390px;
  gap: 12px;
  align-items: start;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-header {
  min-height: 49px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.controls-panel {
  padding-bottom: 14px;
}

.field,
.field-row {
  display: grid;
  gap: 8px;
  padding: 12px 14px 0;
}

.field-row {
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field span {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--ink);
  outline: none;
}

input,
select {
  height: 38px;
  padding: 0 10px;
}

textarea {
  min-height: 84px;
  resize: vertical;
  padding: 10px;
  line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.ratio-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented button,
.icon-button,
.primary-button,
.secondary-button {
  min-height: 38px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--ink);
}

.segmented button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 750;
}

.actions {
  display: flex;
  gap: 8px;
  padding: 14px 14px 0;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 13px;
  text-decoration: none;
}

.primary-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-weight: 750;
}

.secondary-button {
  background: var(--panel-soft);
}

.icon-button {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
  font-size: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.badge.running {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.badge.warning {
  border-color: var(--warning);
  background: var(--warning-soft);
  color: var(--warning);
}

.badge.danger {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}

.error-box {
  margin: 14px 14px 0;
  padding: 10px;
  border: 1px solid var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 13px;
  line-height: 1.45;
}

.hidden {
  display: none !important;
}

.preview-panel {
  min-height: 720px;
}

.preview-tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.preview-stage {
  height: 650px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  background:
    linear-gradient(45deg, color-mix(in srgb, var(--line) 45%, transparent) 25%, transparent 25%),
    linear-gradient(-45deg, color-mix(in srgb, var(--line) 45%, transparent) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--line) 45%, transparent) 75%),
    linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--line) 45%, transparent) 75%);
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  background-size: 24px 24px;
}

.preview-stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
}

.empty-state {
  color: var(--ink-soft);
  font-size: 14px;
}

.preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}

.side-stack {
  display: grid;
  gap: 12px;
}

.list {
  max-height: 365px;
  overflow: auto;
}

.task-item {
  width: 100%;
  display: block;
  padding: 12px 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.task-item:hover {
  background: var(--panel-soft);
}

.task-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.task-id {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 750;
}

.task-prompt {
  display: -webkit-box;
  margin-top: 8px;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.task-meta {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 12px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-height: 392px;
  overflow: auto;
  padding: 10px;
}

.gallery button {
  min-height: 128px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.gallery img {
  width: 100%;
  height: 128px;
  display: block;
  object-fit: cover;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 340px minmax(0, 1fr);
  }

  .side-stack {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .topbar,
  .preview-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions {
    min-width: 0;
  }

  .workspace,
  .side-stack {
    grid-template-columns: 1fr;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    min-height: 520px;
  }

  .preview-stage {
    height: 420px;
  }
}

@media (max-width: 520px) {
  .app {
    padding: 8px;
  }

  .topbar-actions,
  .actions,
  .panel-header {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .actions {
    flex-direction: column;
  }

  .topbar-actions select {
    min-width: 0;
  }

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