/* Slide-generation workspace. */
:root {
  color-scheme: dark;
  --canvas: #1f1f1f;
  --surface: #2b2b2b;
  --surface-subtle: #2b2b2b;
  --text: #f2f2f2;
  --muted: #9a9a9a;
  --line: transparent;
  --line-strong: transparent;
  --focus: #f2f2f2;
  --success: #7fd39a;
  --danger: #f87171;
  --accent: #f5f5f5;
  --accent-soft: rgba(255, 255, 255, 0.12);
  --sidebar: #1f1f1f;
  --sidebar-hover: #2b2b2b;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--text);
  font-family: "BIZ UDPGothic", "Meiryo", "Segoe UI", sans-serif;
  font-size: 13px;
}

button, input, select, textarea { font: inherit; }
button, select, input, textarea { outline-color: var(--focus); }

.shell {
  width: min(1360px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 20px 0;
}

.workspace {
  display: grid;
}

.panel {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
}

h1, h2, p { margin: 0; }
h1 { margin-bottom: 18px; font-size: 20px; line-height: 1.35; letter-spacing: 0; }
h2 { font-size: 16px; line-height: 1.3; letter-spacing: 0; }

form { display: grid; gap: 12px; }
.field { display: grid; gap: 5px; }
.field > span, .label { color: var(--muted); font-size: 11px; font-weight: 700; }
.compact-field { gap: 5px; }

input[type="file"], textarea, .choice-row select, .choice-row input,
.output-language select, .layout-grid input, .layout-grid select,
.preset-row input, .preset-row select, #font-select {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 7px 9px;
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
}

input[type="file"] { padding: 6px 8px; }
input[type="file"]::file-selector-button {
  margin-right: 8px;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--surface-subtle);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

textarea {
  min-height: 88px;
  resize: vertical;
  line-height: 1.55;
}

.choice-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 7px; }
.choice-row select:focus, .choice-row input:focus,
input[type="file"]:focus, textarea:focus, .layout-grid input:focus,
.layout-grid select:focus, .preset-row input:focus, .preset-row select:focus,
#font-select:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 1px var(--focus);
}

.segmented { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.context-options span { min-height: 36px; padding: 6px 8px; line-height: 1.25; text-align: center; }
.segmented label { min-width: 0; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.segmented input:checked + span { border-color: var(--text); background: var(--surface-subtle); color: var(--text); }

.web-enrichment {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  cursor: pointer;
}
.web-enrichment input { position: absolute; opacity: 0; }
.web-enrichment-control {
  position: relative;
  display: block;
  width: 26px;
  height: 16px;
  border-radius: 8px;
  background: #c8c8c4;
}
.web-enrichment-control::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface);
  transition: transform 140ms ease;
}
.web-enrichment input:checked + .web-enrichment-control { background: var(--text); }
.web-enrichment input:checked + .web-enrichment-control::after { transform: translateX(10px); }
.web-enrichment input:focus-visible + .web-enrichment-control { outline: 2px solid var(--focus); outline-offset: 2px; }
.web-enrichment strong, .web-enrichment small { display: block; }
.web-enrichment strong { font-size: 12px; }
.web-enrichment small { margin-top: 2px; color: var(--muted); font-size: 10px; line-height: 1.35; }

.layout-settings {
  display: grid;
  gap: 9px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface-subtle);
}
.layout-heading { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.layout-heading > span { font-size: 11px; font-weight: 700; }
.layout-heading small { color: var(--muted); font-size: 10px; text-align: right; }
.design-preview {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 130px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: var(--surface);
}
.design-preview-region {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 12px;
  min-height: 12px;
  overflow: hidden;
  border: 1px dashed #8c8c87;
  background: rgba(32, 32, 32, 0.04);
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}
.design-preview-region[data-preview-region="title"] { background: rgba(32, 32, 32, 0.12); color: var(--text); }
.design-preview-region[data-preview-region="body"] { background: rgba(32, 32, 32, 0.035); }
.design-preview-region.is-active { border: 2px solid var(--text); box-shadow: none; color: var(--text); }
.design-preview-region.is-disabled { display: none; }

.layout-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.layout-grid label { display: grid; gap: 3px; min-width: 0; }
.layout-grid label > span { color: var(--muted); font-size: 10px; font-weight: 700; }
.layout-grid input, .layout-grid select, .preset-row input, .preset-row select { min-height: 31px; padding: 5px 7px; font-size: 11px; }
.layout-grid input:disabled, .layout-grid select:disabled { color: #9a9a96; background: #e7e7e3; }
.number-input-control { position: relative; min-width: 0; }
.number-input-control > input[type="number"] { width: 100%; padding-right: 21px; appearance: textfield; -moz-appearance: textfield; }
.number-input-control > input[type="number"]::-webkit-inner-spin-button,
.number-input-control > input[type="number"]::-webkit-outer-spin-button { appearance: none; margin: 0; }
.number-spinner {
  position: absolute;
  top: 1px;
  right: 1px;
  bottom: 1px;
  display: grid;
  width: 15px;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border-left: 1px solid var(--line-strong);
  border-radius: 0 5px 5px 0;
  background: rgba(255, 255, 255, 0.03);
}
.number-spinner-button {
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-size: 7px;
  line-height: 1;
  cursor: pointer;
}
.number-spinner-button + .number-spinner-button { border-top: 1px solid var(--line-strong); }
.number-spinner-button:hover:not(:disabled) { background: rgba(255, 255, 255, 0.08); color: var(--text); }
.number-spinner-button:disabled { opacity: 0.35; cursor: not-allowed; }
.number-spinner-button:focus-visible { position: relative; z-index: 1; outline: 2px solid var(--accent); outline-offset: -2px; }

.alignment-control { display: grid; gap: 3px; min-width: 0; }
.layout-grid .alignment-control > span { color: var(--muted); font-size: 10px; font-weight: 700; }
.alignment-toggle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-height: 31px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #242424;
}
.alignment-toggle-button {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 29px;
  padding: 4px 5px;
  border: 0;
  border-left: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.alignment-toggle-button:first-child { border-left: 0; }
.alignment-toggle-button:hover { background: #292929; color: var(--text); }
.alignment-toggle-button.is-selected { background: #fff; color: #111; }
.alignment-toggle-button:disabled { opacity: 0.42; cursor: not-allowed; }
.alignment-toggle-button:focus-visible { position: relative; z-index: 1; outline: 2px solid var(--accent); outline-offset: -2px; }
.alignment-toggle-button svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 1.7; }

.preset-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto 31px; gap: 5px; }
.preset-row .secondary-button { min-height: 31px; padding: 0 9px; font-size: 11px; }

.form-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 7px; }
.generate-action { display: grid; gap: 6px; min-width: 0; }
.generate-action > .primary-button { width: 100%; }
.generation-status {
  display: flex;
  min-height: 16px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.4;
}
.generation-status[hidden] { display: none; }
.generation-status.is-pending::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: generation-status-spin .8s linear infinite;
}
.generation-status.is-complete { color: var(--success); }
.generation-status.is-error { color: var(--danger); }
@keyframes generation-status-spin { to { transform: rotate(360deg); } }
.generate-action > .result { margin-top: 0; }
.primary-button, .secondary-button {
  min-height: 38px;
  border-radius: 3px;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--surface);
}
.primary-button:hover { background: #000; }
.secondary-button { border: 1px solid var(--line-strong); background: var(--surface); color: var(--text); }
.secondary-button:hover { background: var(--surface-subtle); }
.button-icon { font-size: 15px; line-height: 1; }
.icon-button {
  width: 31px;
  height: 31px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--muted);
  font-size: 16px;
  cursor: pointer;
}
.icon-button:hover { border-color: var(--text); color: var(--text); }

.preview-frame { padding: 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--surface-subtle); }
.slide-preview { aspect-ratio: 16 / 9; padding: 5%; border: 1px solid var(--line); border-radius: 2px; background: var(--surface); }

.result { margin-top: 12px; padding: 10px 11px; border: 1px solid rgba(61, 107, 82, 0.35); border-radius: 3px; background: #f1f6f2; color: var(--success); font-size: 11px; font-weight: 700; }
.result.error { border-color: rgba(163, 60, 53, 0.35); background: #faf1f0; color: var(--danger); }

@media (max-width: 520px) {
  .choice-row, .form-actions { grid-template-columns: 1fr; }
  .preset-row { grid-template-columns: 1fr 31px; }
  .preset-row input, .preset-row .secondary-button { grid-column: span 1; }
}

.preview-frame { padding: 8px; }
.slide-preview {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border-radius: 2px;
}
.sample-title, .sample-key, .sample-body {
  position: absolute;
  overflow: hidden;
}
.sample-title {
  left: var(--sample-title-x, 5%);
  top: var(--sample-title-y, 5%);
  width: var(--sample-title-width, 90%);
  height: var(--sample-title-height, 8%);
  color: var(--text);
  font-size: var(--sample-title-font, 16px);
  font-weight: 800;
  line-height: 1.15;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.sample-key {
  left: var(--sample-key-x, 5%);
  top: var(--sample-key-y, 15%);
  width: var(--sample-key-width, 90%);
  height: var(--sample-key-height, 8%);
  color: var(--muted);
  font-size: var(--sample-key-font, 9px);
  line-height: 1.3;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.sample-key.is-disabled { display: none; }
.sample-body {
  left: var(--sample-body-x, 5%);
  top: var(--sample-body-y, 25%);
  width: var(--sample-body-width, 90%);
  height: var(--sample-body-height, 68%);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 2.5%;
  padding: 2.5%;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface-subtle);
}
.sample-chart, .sample-insights { min-width: 0; }
.sample-chart > strong, .sample-insights > strong {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-size: clamp(7px, 1.15vw, 13px);
  line-height: 1.2;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.sample-chart-area {
  display: flex;
  align-items: end;
  gap: 2.5%;
  height: 66%;
  margin-top: 9%;
  padding: 0 3%;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
}
.sample-chart-area i {
  display: block;
  flex: 1;
  min-width: 3px;
  background: var(--text);
}
.sample-chart > small {
  display: block;
  margin-top: 2%;
  overflow: hidden;
  color: var(--muted);
  font-size: clamp(5px, 0.7vw, 8px);
  white-space: nowrap;
}
.sample-chart > b {
  display: block;
  margin-top: 4%;
  color: var(--text);
  font-size: clamp(9px, 1.5vw, 17px);
}
.sample-insights {
  display: grid;
  align-content: start;
  gap: 5%;
}
.sample-insights > div {
  min-width: 0;
  padding: 5% 6%;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface);
  font-family: var(--sample-font, "BIZ UDPGothic", "Meiryo", "Segoe UI", sans-serif);
}
.sample-insights b, .sample-insights small {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.sample-insights b {
  color: var(--text);
  font-size: clamp(6px, 0.95vw, 11px);
  line-height: 1.2;
}
.sample-insights small {
  margin-top: 4%;
  color: var(--muted);
  font-size: clamp(5px, 0.7vw, 8px);
  line-height: 1.25;
}

.sample-title { color: var(--sample-primary, var(--text)); }
.sample-key { color: var(--sample-text, var(--muted)); }
.sample-body { border-color: var(--sample-border, var(--line)); background: var(--sample-surface, var(--surface-subtle)); }
.sample-chart-area { border-bottom-color: var(--sample-border, var(--line-strong)); }
.sample-chart-area i { background: var(--sample-primary, var(--text)); }
.sample-chart > b, .sample-insights > strong { color: var(--sample-primary, var(--text)); }
.sample-insights > div { border-color: var(--sample-border, var(--line)); background: var(--surface); }
.sample-insights b { color: var(--sample-primary, var(--text)); }
.sample-title.is-active, .sample-key.is-active, .sample-body.is-active { outline: 2px solid var(--sample-primary, var(--text)); outline-offset: -2px; }
.sample-title.is-disabled, .sample-body.is-disabled { display: none; }

.layout-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 6px;
  max-height: 142px;
  overflow-y: auto;
}
.layout-option {
  min-width: 0;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}
.layout-option:hover { border-color: var(--line-strong); background: var(--surface-subtle); }
.layout-option.is-selected { border: 2px solid var(--text); padding: 3px; color: var(--text); }
.layout-option img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: fill;
  border: 1px solid var(--line);
  background: var(--surface);
}
.layout-option span {
  display: block;
  overflow: hidden;
  margin-top: 4px;
  font-size: 10px;
  line-height: 1.2;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.selected-layout-preview {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  opacity: 1;
}
.selected-layout-preview[hidden] { display: none; }
.generated-preview {
  position: absolute;
  z-index: 4;
  inset: 0;
  display: none;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
}
.generated-preview:not([hidden]) { display: block; }
.generated-source-hotspots {
  position: absolute;
  z-index: 5;
  inset: 0;
  pointer-events: none;
}
.generated-source-hotspots[hidden] { display: none; }
.generated-source-hotspots a {
  position: absolute;
  display: block;
  pointer-events: auto;
  border-radius: 2px;
}
.generated-source-hotspots a:hover,
.generated-source-hotspots a:focus-visible {
  outline: 2px solid var(--sample-primary, #3a48d2);
  background: rgba(58, 72, 210, 0.14);
}
.result-source-links {
  display: grid;
  gap: 3px;
  margin-top: 8px;
  font-weight: 400;
}
.result-source-links a { color: var(--primary, #285eae); overflow-wrap: anywhere; }
.slide-preview.has-generated-preview .selected-layout-preview,
.slide-preview.has-generated-preview .sample-title,
.slide-preview.has-generated-preview .sample-key,
.slide-preview.has-generated-preview .sample-body {
  visibility: hidden;
}
.sample-title, .sample-key, .sample-body { z-index: 1; }
.sample-title, .sample-key { z-index: 2; }
.sample-title.is-active, .sample-key.is-active, .sample-body.is-active { outline-color: var(--sample-primary, var(--text)); }

/* Unified deck workflow */
.deck-empty { margin: 18px 4px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.deck-slides { display: grid; gap: 7px; max-height: calc(100vh - 238px); overflow-y: auto; padding-right: 2px; }
.deck-slide {
  position: relative; display: grid; grid-template-columns: 52px minmax(0, 1fr); column-gap: 8px; align-items: center;
  width: 100%; min-width: 0; padding: 5px; border: 1px solid var(--line); border-radius: 3px;
  background: var(--surface); color: var(--text); text-align: left; cursor: pointer;
}
.deck-slide:hover { border-color: var(--line-strong); background: var(--surface-subtle); }
.deck-slide.is-selected { border: 2px solid var(--text); padding: 4px; background: var(--surface-subtle); }
.deck-slide img { grid-row: span 2; width: 52px; aspect-ratio: 16 / 9; border: 1px solid var(--line); object-fit: fill; background: var(--surface); }
.deck-slide-number { position: absolute; top: 7px; left: 7px; min-width: 15px; padding: 1px 3px; background: rgba(255,255,255,.92); color: var(--text); font-size: 8px; font-weight: 700; text-align: center; }
.deck-slide strong, .deck-slide small { display: block; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.deck-slide strong { align-self: end; font-size: 10px; line-height: 1.25; }
.deck-slide small { align-self: start; color: var(--muted); font-size: 9px; line-height: 1.25; }
.context-field { gap: 6px; }
.context-options { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.context-options span { min-height: 32px; padding: 5px 4px; font-size: 10px; }
.context-field small { color: var(--muted); font-size: 10px; line-height: 1.4; }
.source-slide-summary {
  display: grid; gap: 4px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--surface-subtle);
}
.source-slide-summary strong { font-size: 11px; }
.source-slide-summary span { color: var(--muted); font-size: 10px; line-height: 1.4; }
@media (max-width: 1180px) {
  .deck-slides { max-height: calc(100vh - 238px); }
}
@media (max-width: 760px) {
  .deck-slides { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: none; }
  .deck-slide { grid-template-columns: 58px minmax(0, 1fr); }
  .deck-slide img { width: 58px; }
}
.layout-toolbar {
  display: grid;
  gap: 8px;
  padding: 9px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--surface);
}
.toolbar-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.toolbar-heading strong { font-size: 12px; }
.toolbar-heading small, .toolbar-note { color: var(--muted); font-size: 10px; line-height: 1.35; }
.toolbar-note { display: block; }
.layout-grid input[type="color"] { min-height: 31px; padding: 3px; cursor: pointer; }
.layout-toolbar[hidden] { display: none !important; }
.layout-toolbar:not([hidden]) { display: grid !important; }

/* Shared dark controls. */
body {
  background: var(--canvas);
  color: var(--text);
  font-family: "Segoe UI", "BIZ UDPGothic", "Meiryo", sans-serif;
  letter-spacing: -0.01em;
}

.shell {
  width: 100%;
  min-height: 100vh;
  padding: 0;
}

.panel {
  border: 0;
  border-radius: 0;
  background: var(--surface);
}

.field > span, .label { color: var(--muted); }

input[type="file"], textarea, .choice-row select, .choice-row input,
.output-language select, .layout-grid input, .layout-grid select,
.preset-row input, .preset-row select {
  border-color: var(--line-strong);
  border-radius: 8px;
  background: #242424;
  color: var(--text);
}

input[type="file"]::file-selector-button {
  border-color: var(--line-strong);
  border-radius: 6px;
  background: var(--surface-subtle);
  color: var(--text);
}

select option { background: #282828; color: var(--text); }
textarea::placeholder, input::placeholder { color: #737373; }

.choice-row { gap: 8px; }
.choice-row select:focus, .choice-row input:focus,
input[type="file"]:focus, textarea:focus, .layout-grid input:focus,
.layout-grid select:focus, .preset-row input:focus, .preset-row select:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.12);
}

.deck-empty { color: var(--muted); }
.deck-slides { max-height: calc(100vh - 270px); }
.deck-slide {
  grid-template-columns: 64px minmax(0, 1fr);
  padding: 7px;
  border-color: transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
}

.deck-slide:hover { border-color: transparent; background: var(--sidebar-hover); }
.deck-slide.is-selected { border: 1px solid rgba(255, 255, 255, 0.7); padding: 6px; background: var(--accent-soft); }
.deck-slide img { width: 64px; border-color: var(--line-strong); border-radius: 5px; }
.deck-slide-number { top: 9px; left: 9px; border-radius: 4px; background: rgba(28, 28, 28, 0.86); color: var(--text); }
.deck-slide strong { font-size: 11px; }
.deck-slide small { color: var(--muted); }

h1 { margin-bottom: 22px; font-size: 24px; letter-spacing: -0.03em; }
h2 { letter-spacing: -0.02em; }
form { gap: 14px; }

.segmented { gap: 5px; }
.segmented span {
  border-color: var(--line-strong);
  border-radius: 8px;
  color: var(--muted);
}
.segmented input:checked + span { border-color: #fff; background: #fff; color: #111; }

.web-enrichment {
  min-height: 54px;
  padding: 9px 11px;
  border-color: var(--line);
  border-radius: 9px;
  background: #242424;
}
.web-enrichment-control { background: #3e3e3e; }
.web-enrichment input:checked + .web-enrichment-control { background: var(--accent); }
.web-enrichment strong { color: var(--text); }
.web-enrichment small { color: var(--muted); }

.layout-settings {
  gap: 11px;
  padding: 13px;
  border-color: var(--line);
  border-radius: 10px;
  background: #242424;
}
.layout-heading { align-items: center; }
.layout-heading > span { font-size: 12px; }
.layout-heading small { color: var(--muted); }
.layout-toolbar { border-color: var(--line-strong); border-radius: 8px; background: var(--surface); }
.layout-grid input:disabled, .layout-grid select:disabled { color: #737373; background: #202020; }
.preset-row { gap: 6px; }
.preset-row .secondary-button { border-radius: 7px; }

.primary-button, .secondary-button, .icon-button { border-radius: 8px; }
.primary-button {
  border-color: transparent;
  background: linear-gradient(110deg, #59e4b8 0%, #43b7ee 100%);
  color: #071719;
  box-shadow: 0 8px 22px rgba(67, 183, 238, 0.2);
}
.primary-button:hover { background: linear-gradient(110deg, #70ecc4 0%, #5ac7f4 100%); }
.secondary-button { border-color: var(--line-strong); background: transparent; color: var(--text); }
.secondary-button:hover { background: var(--surface-subtle); }
.icon-button { border-color: var(--line-strong); background: transparent; color: var(--muted); }
.icon-button:hover { border-color: var(--text); color: var(--text); }

.preview-frame {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #1c1c1c;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.2);
}

.slide-preview {
  --text: #222222;
  --muted: #737373;
  --surface: #ffffff;
  --surface-subtle: #f5f5f5;
  --line: #e5e5e5;
  --line-strong: #d4d4d4;
  border: 0;
  border-radius: 7px;
  background: #fcfcfc;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.16);
}

.source-slide-summary {
  border-color: var(--line);
  border-radius: 8px;
  background: var(--surface-subtle);
}
.source-slide-summary[hidden] { display: none !important; }

.result { border-color: rgba(127, 211, 154, 0.3); background: rgba(127, 211, 154, 0.1); color: var(--success); }
.result.error { border-color: rgba(248, 113, 113, 0.3); background: rgba(248, 113, 113, 0.1); color: var(--danger); }

.error-toast {
  position: fixed;
  z-index: 1000;
  top: 58px;
  right: 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 11px;
  width: min(420px, calc(100vw - 36px));
  padding: 14px;
  border: 1px solid rgba(248, 113, 113, 0.5);
  border-radius: 12px;
  background: #3a2424;
  color: #fff;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.38);
  animation: error-toast-enter 180ms ease-out;
}
.error-toast[hidden] { display: none !important; }
.error-toast-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #f87171;
  color: #281515;
  font-size: 14px;
  font-weight: 900;
}
.error-toast-content { min-width: 0; }
.error-toast-content strong { display: block; margin: 2px 0 5px; font-size: 12px; }
.error-toast-content p {
  max-height: min(320px, 50vh);
  overflow-y: auto;
  color: #f4dada;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
.error-toast-close {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #e8caca;
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
}
.error-toast-close:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.error-toast-close:focus-visible { outline: 2px solid #fff; outline-offset: 1px; }
@keyframes error-toast-enter {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .error-toast { animation: none; }
}

@media (max-width: 760px) {
  .deck-slides { max-height: none; }
  .error-toast { top: 54px; right: 12px; width: calc(100vw - 24px); }
}

.mode-section {
  display: grid;
  gap: 9px;
  padding: 13px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.section-heading > span { color: var(--text); font-size: 12px; font-weight: 700; }
.section-heading small { color: var(--muted); font-size: 10px; }

.mode-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mode-option { min-width: 0; cursor: pointer; }
.mode-option input { position: absolute; opacity: 0; pointer-events: none; }
.mode-option > span {
  display: grid;
  gap: 4px;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(28, 28, 28, 0.38);
}
.mode-option:hover > span { border-color: #737373; background: rgba(46, 46, 46, 0.8); }
.mode-option.is-selected > span {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: none;
}
.mode-option strong { color: var(--text); font-size: 11px; }
.mode-option small { color: var(--muted); font-size: 10px; line-height: 1.35; }

.primary-button:disabled {
  border-color: var(--line-strong);
  background: var(--surface-subtle);
  color: #737373;
  box-shadow: none;
  cursor: not-allowed;
}

@media (max-width: 520px) {
  .mode-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* The layout inspector overlays the bottom of the slide preview for quick region tuning. */
.preview-frame { position: relative; }
.layout-toolbar:not([hidden]) {
  position: static;
  display: grid !important;
  gap: 8px;
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(28, 28, 28, 0.96);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(12px);
}

.layout-toolbar .toolbar-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.layout-toolbar .toolbar-heading strong { color: var(--text); font-size: 11px; }
.layout-toolbar .toolbar-heading small { color: var(--muted); font-size: 10px; }
.layout-toolbar .layout-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) repeat(3, minmax(0, 1.15fr));
  gap: 6px;
  align-items: end;
}
.layout-toolbar .layout-grid label { min-width: 0; }
.layout-toolbar .layout-grid label > span { color: var(--muted); font-size: 9px; }
.layout-toolbar .layout-grid input,
.layout-toolbar .layout-grid select {
  min-height: 31px;
  padding: 5px 7px;
  border-color: var(--line-strong);
  border-radius: 6px;
  background: #242424;
  color: var(--text);
  font-size: 11px;
}
.layout-toolbar .layout-grid input[type="color"] { padding: 3px; }
.layout-toolbar .toolbar-note { color: var(--muted); font-size: 9px; }

@media (max-width: 760px) {
  .layout-toolbar .layout-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .layout-toolbar .typography-control { grid-column: span 1; }
  .layout-toolbar .toolbar-note { grid-column: 1 / -1; }
}

.sidebar-mode-panel {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}
.sidebar-mode-panel[hidden] { display: none !important; }
.sidebar-panel-heading { display: grid; gap: 3px; padding: 0 4px; }
.sidebar-panel-heading strong { color: var(--text); font-size: 11px; }
.sidebar-panel-heading small { color: var(--muted); font-size: 10px; }
.sidebar-layout-options {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 5px;
  max-height: none;
  padding: 0 0 4px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}
.sidebar-layout-options .layout-option {
  flex: 0 0 144px;
  width: 144px;
  padding: 3px;
  border-color: var(--line);
  border-radius: 8px;
  background: #242424;
}
.sidebar-layout-options .layout-option:hover { border-color: var(--line-strong); background: var(--sidebar-hover); }
.sidebar-layout-options .layout-option.is-selected {
  padding: 2px;
  border-color: #fff;
  background: #fff;
}
.sidebar-layout-options .layout-option img { border-color: var(--line-strong); border-radius: 4px; }
.sidebar-layout-options .layout-option span { margin-top: 3px; color: var(--muted); font-size: 8px; }
.sidebar-layout-options .layout-option.is-selected span { color: #111; }

.advanced-settings {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #242424;
}
.advanced-settings summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 10px 13px;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}
.advanced-settings summary::-webkit-details-marker { display: none; }
.advanced-settings summary > span { display: grid; gap: 3px; }
.advanced-settings summary strong { font-size: 12px; }
.advanced-settings summary small { color: var(--muted); font-size: 10px; }
.advanced-settings summary > b {
  color: var(--muted);
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  transition: transform 140ms ease;
}
.advanced-settings[open] summary { border-bottom: 1px solid var(--line); }
.advanced-settings[open] summary > b { transform: rotate(180deg); color: var(--text); }
.advanced-settings summary:hover { background: var(--surface-subtle); }
.advanced-settings-body { display: grid; gap: 14px; padding: 13px; }

/* Keep the inspector width stable while its content expands. */
@media (min-width: 1181px) {
  html, body { overflow: hidden; }
  .workspace { height: 100vh; overflow: hidden; }
  .input-panel {
    overflow-y: scroll;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: #464646 transparent;
  }
  .input-panel::-webkit-scrollbar { width: 8px; }
  .input-panel::-webkit-scrollbar-track { background: transparent; }
  .input-panel::-webkit-scrollbar-thumb {
    border: 2px solid var(--surface);
    border-radius: 999px;
    background: #464646;
  }
  .input-panel::-webkit-scrollbar-thumb:hover { background: #5a5a5a; }
}

@media (max-width: 1180px) {
  html, body { overflow-x: hidden; overflow-y: auto; }
  .workspace { height: auto; overflow: visible; }
  .input-panel { overflow: visible; scrollbar-gutter: auto; }
}

/* Compact global app header. */
.app-header {
  height: 42px;
  border-bottom: 1px solid var(--line);
  background: rgba(28, 28, 28, 0.94);
}
.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 100%;
  padding: 0 18px;
}
.app-header-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-decoration: none;
}
.app-header-brand img { display: block; width: 170px; height: auto; filter: invert(1); }
.app-header-brand span { white-space: nowrap; }
.app-header-actions { display: flex; align-items: center; gap: 12px; }
.app-header-pricing,
.app-header-login {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
}
.app-header-pricing:hover,
.app-header-login:hover { color: var(--text); }
.app-header-login { padding: 6px 10px; border: 1px solid var(--line-strong); border-radius: 7px; }
.app-footer { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:18px max(20px, calc((100% - 1240px) / 2)); border-top:1px solid var(--line); background:#fff; color:var(--muted); font-size:12px; }
.app-footer nav { display:flex; flex-wrap:wrap; gap:8px 18px; }
.app-footer a { color:var(--muted); text-decoration:none; }
.app-footer a:hover { color:var(--primary); }
.app-footer small { white-space:nowrap; }
.usage-summary { margin:8px 0 0; color:var(--muted); font-size:12px; line-height:1.6; }
.account-menu { position: relative; }
.account-menu[hidden] { display: none !important; }
.account-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 0 2px 4px;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}
.account-trigger::-webkit-details-marker { display: none; }
.account-avatar,
.account-avatar-fallback {
  flex: 0 0 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  overflow: hidden;
  object-fit: cover;
}
.account-avatar[hidden],
.account-avatar-fallback[hidden] { display: none !important; }
.account-avatar-fallback { background: var(--accent-soft); color: #f5f5f5; font-size: 10px; font-weight: 800; }
.account-trigger-chevron { color: var(--muted); font-size: 13px; line-height: 1; }
.account-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 20;
  display: grid;
  min-width: 210px;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #242424;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.35);
}
.account-popover strong { color: var(--text); font-size: 11px; }
.account-popover > span { overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.account-popover a { margin-top: 4px; padding: 7px 8px; border-top: 1px solid var(--line); color: var(--text); font-size: 11px; font-weight: 700; text-decoration: none; }
.account-popover a:hover { color: #f5f5f5; background: var(--accent-soft); }

@media (min-width: 1181px) {
  .shell { min-height: calc(100vh - 42px); }
  .workspace { height: calc(100vh - 42px); min-height: calc(100vh - 42px); }
  .input-panel, .output-panel { min-height: calc(100vh - 42px); }
  .input-panel { max-height: calc(100vh - 42px); }
}

@media (max-width: 1180px) {
  .shell { min-height: 0; }
  .workspace { min-height: 0; }
}

@media (max-width: 520px) {
  .app-header { height: 42px; }
  .app-header-inner { padding: 0 12px; }
  .app-header-brand span, .app-header-pricing { display: none; }
  .app-header-actions { gap: 8px; }
  .app-footer { align-items:flex-start; flex-direction:column; padding:18px 16px; }
}

/* Polished high-density sample content for the preview. */
.sample-body {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 2.2%;
  padding: 2.4% 2.6%;
}
.sample-chart {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  gap: 3.2%;
  height: 100%;
  min-height: 0;
}
.sample-chart-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.sample-chart-heading strong,
.sample-insights-heading strong {
  color: var(--sample-text, var(--text));
  font-size: clamp(8px, 1.05vw, 13px);
  line-height: 1.2;
  white-space: nowrap;
}
.sample-chart-heading small,
.sample-insights-heading small {
  overflow: hidden;
  color: var(--sample-muted, var(--muted));
  font-size: clamp(5px, 0.62vw, 8px);
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sample-chart-legend {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--sample-muted, var(--muted));
  font-size: clamp(5px, 0.62vw, 8px);
  line-height: 1;
}
.legend-item { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.legend-item i { display: inline-block; width: 12px; height: 2px; }
.legend-line { background: var(--sample-primary, #3a48d2); }
.legend-target { border-top: 1px dashed var(--sample-muted, #9b9b9b); }
.sample-line-chart {
  position: relative;
  min-height: 52px;
  margin-left: 15px;
  border-bottom: 1px solid var(--sample-border, var(--line-strong));
  border-left: 1px solid var(--sample-border, var(--line-strong));
}
.chart-axis-label {
  position: absolute;
  left: -14px;
  color: var(--sample-muted, var(--muted));
  font-size: clamp(5px, 0.58vw, 7px);
  line-height: 1;
}
.axis-high { top: -2px; }
.axis-mid { top: calc(50% - 3px); }
.axis-low { bottom: 1px; }
.chart-gridline {
  position: absolute;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--sample-border, var(--line));
}
.grid-high { top: 0; }
.grid-mid { top: 50%; }
.grid-low { bottom: 0; }
.chart-target-line {
  position: absolute;
  top: 35%;
  right: 0;
  left: 0;
  border-top: 1px dashed var(--sample-muted, #9b9b9b);
  opacity: .8;
}
.line-segment {
  position: absolute;
  left: 7%;
  top: 76%;
  width: 18%;
  height: 2px;
  border-radius: 999px;
  background: var(--sample-primary, #3a48d2);
  transform-origin: left center;
}
.segment-1 { transform: rotate(-28deg); }
.segment-2 { left: 24%; top: 62%; transform: rotate(-24deg); }
.segment-3 { left: 41%; top: 49%; transform: rotate(-20deg); }
.segment-4 { left: 58%; top: 38%; transform: rotate(-23deg); }
.segment-5 { left: 75%; top: 25%; transform: rotate(-17deg); }
.line-point {
  position: absolute;
  width: 6px;
  height: 6px;
  border: 1.5px solid var(--sample-primary, #3a48d2);
  border-radius: 50%;
  background: var(--sample-surface, #fff);
  transform: translate(-50%, -50%);
}
.point-1 { left: 7%; top: 76%; }
.point-2 { left: 24%; top: 62%; }
.point-3 { left: 41%; top: 49%; }
.point-4 { left: 58%; top: 38%; }
.point-5 { left: 75%; top: 25%; }
.point-6 { left: 92%; top: 17%; }
.chart-x-label {
  position: absolute;
  bottom: -13px;
  color: var(--sample-muted, var(--muted));
  font-size: clamp(5px, 0.58vw, 7px);
  transform: translateX(-50%);
}
.x-1 { left: 7%; }
.x-2 { left: 24%; }
.x-3 { left: 41%; }
.x-4 { left: 58%; }
.x-5 { left: 75%; }
.x-6 { left: 92%; }
.sample-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}
.sample-kpis > span {
  display: grid;
  gap: 2px;
  padding: 4px 5px;
  border: 1px solid var(--sample-border, var(--line));
  border-radius: 2px;
  background: var(--sample-surface, var(--surface));
}
.sample-kpis small {
  overflow: hidden;
  color: var(--sample-muted, var(--muted));
  font-size: clamp(5px, 0.58vw, 7px);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sample-kpis b { color: var(--sample-primary, var(--text)); font-size: clamp(7px, 0.9vw, 11px); line-height: 1; white-space: nowrap; }
.chart-source {
  overflow: hidden;
  color: var(--sample-muted, var(--muted));
  font-size: clamp(4px, 0.52vw, 6px);
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sample-insights {
  display: grid;
  grid-template-rows: auto repeat(3, minmax(0, 1fr)) auto;
  align-content: stretch;
  gap: 4%;
  min-height: 0;
}
.sample-insights-heading { display: grid; gap: 3px; }
.sample-insights > div:not(.sample-insights-heading):not(.sample-conclusion) {
  display: grid;
  align-content: center;
  gap: 4px;
  min-height: 0;
  padding: 5% 6%;
  border: 1px solid var(--sample-border, var(--line));
  border-radius: 2px;
  background: var(--sample-surface, var(--surface));
}
.insight-topline { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.sample-insights b { overflow: hidden; color: var(--sample-primary, var(--text)); font-size: clamp(6px, 0.88vw, 11px); line-height: 1.15; text-overflow: ellipsis; white-space: nowrap; }
.insight-topline strong { padding: 2px 4px; border-radius: 2px; background: var(--sample-body, var(--surface-subtle)); color: var(--sample-primary, var(--text)); font-size: clamp(5px, 0.55vw, 7px); line-height: 1; white-space: nowrap; }
.sample-insights small { overflow: hidden; color: var(--sample-muted, var(--muted)); font-size: clamp(5px, 0.6vw, 7px); line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }
.sample-conclusion {
  display: grid;
  gap: 2px;
  padding-top: 4px;
  border-top: 1px solid var(--sample-border, var(--line));
}
.sample-conclusion span { color: var(--sample-muted, var(--muted)); font-size: clamp(5px, 0.6vw, 7px); font-weight: 700; }
.sample-conclusion b { white-space: normal; line-height: 1.2; }

/* Text-in-control toggles share the same 8px radius as the dark selects. */
.toggle-switch {
  display: grid;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #202020;
}
.mode-options.toggle-switch {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.toggle-switch .mode-option,
.toggle-switch > label {
  min-width: 0;
}
.toggle-switch .mode-option > span,
.toggle-switch > label > span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}
.toggle-switch .mode-option > span:hover,
.toggle-switch > label > span:hover {
  border-color: var(--line-strong);
  background: #292929;
  color: var(--text);
}
.toggle-switch .mode-option.is-selected > span,
.toggle-switch > label > input:checked + span {
  border-color: #fff;
  background: #fff;
  color: #111;
  box-shadow: none;
}
.toggle-switch .mode-option strong {
  color: inherit;
  font-size: inherit;
  white-space: nowrap;
}
.toggle-switch.context-options {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.toggle-switch .mode-option input:focus-visible + span,
.toggle-switch .segmented input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* Compact the rounded UI surfaces while keeping pills and circular avatars intact. */
:where(
  .mode-section,
  .toggle-switch,
  .layout-toolbar,
  .source-slide-summary,
  .account-popover,
  .error-toast
) { border-radius: 6px !important; }

:where(
  input,
  select,
  textarea,
  button,
  .app-header-login,
  .app-header-pricing,
  .mode-option span,
  .segmented span,
  .layout-option,
  .layout-option img,
  .deck-slide,
  .deck-slide img,
  .primary-button,
  .secondary-button,
  .icon-button,
  .preset-row input,
  .preset-row select
) { border-radius: 5px !important; }

#generator-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: stretch;
}

.generation-settings-column {
  display: grid;
  min-width: 0;
  gap: 12px;
  align-content: start;
}

.design-preset-control {
  display: block;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #242424;
}
.design-preset-select-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: center; min-width: 0; }
.design-preset-select-row > span { color: var(--text); font-size: 11px; font-weight: 800; white-space: nowrap; }
.design-preset-select-row select { width: 100%; min-height: 34px; padding: 6px 9px; border: 1px solid var(--line-strong); border-radius: 6px; background: #292929; color: var(--text); font-size: 11px; font-weight: 700; }
.design-preset-select-row select:hover { border-color: #777; }
.design-preset-select-row select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.generation-design-column,
.generation-communication-column,
.generation-content-column {
  display: grid;
  min-width: 0;
  gap: 12px;
  align-content: start;
}

.generation-design-column .visual-tuning {
  margin: 0;
}

.generation-design-column .design-parameter-controls,
.generation-design-column .template-design-meta {
  grid-template-columns: 1fr;
}

.color-palette-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}
.color-palette-row > div { min-width: 0; }
.color-palette-row .label { display: block; margin-bottom: 5px; }
.accent-color-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.accent-color-control,
.color-role-picker {
  position: relative;
  display: block;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  overflow: visible;
}
.color-swatch,
.color-swatch.is-none {
  display: block;
  position: relative;
  width: 24px;
  height: 24px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0 !important;
  background: var(--color-swatch, #FFFFFF);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
.color-swatch.is-off::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, transparent 44%, rgba(255, 255, 255, 0.95) 46%, rgba(255, 255, 255, 0.95) 54%, transparent 56%);
}
.color-swatch.is-none {
  background: repeating-conic-gradient(#BFC5CC 0 25%, #F3F4F6 0 50%) 50% / 8px 8px;
}
.color-swatch:focus-visible {
  outline: 2px solid #9BB7C9;
  outline-offset: 2px;
}
.color-adjust-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 20;
  display: grid;
  gap: 8px;
  min-width: 112px;
  padding: 8px;
  border: 1px solid #555;
  border-radius: 6px;
  background: #171717;
  box-shadow: 0 8px 18px rgba(0, 0, 0, .28);
}
.color-adjust-panel[hidden] {
  display: none;
}
.color-adjust-panel input[type="color"] {
  display: block;
  width: 100%;
  height: 28px;
  min-height: 0;
  padding: 2px;
  border: 1px solid #555;
  border-radius: 4px;
  background: #171717;
  cursor: pointer;
}
.color-none-button {
  display: block;
  width: 100%;
  min-height: 28px;
  padding: 4px 8px;
  border: 1px solid #555;
  border-radius: 4px;
  background: #24282D;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}
.color-none-button:hover,
.color-none-button:focus-visible {
  background: #000000;
}
.semantic-color-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.color-role-control { display: grid; gap: 5px; min-width: 0; }
.color-role-label { color: var(--muted); font-size: 10px; font-weight: 700; }

.generation-content-column textarea {
  min-height: 180px;
}

.generation-content-column .choice-row {
  grid-template-columns: 1fr;
}

.generation-tabs {
  display: flex;
  gap: 2px;
  min-width: 0;
  margin-bottom: 2px;
  padding-bottom: 1px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line-strong);
  scrollbar-width: thin;
}
.generation-tabs[data-generation-tab-group="design"] { grid-column: 1 / -1; }
.generation-tabs button {
  flex: 1 0 auto;
  min-height: 34px;
  padding: 6px 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}
.generation-tabs button:hover { background: var(--surface-subtle); color: var(--text); }
.generation-tabs button[aria-selected="true"] {
  border-bottom-color: var(--accent);
  color: var(--text);
}
.generation-tabs button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.generation-tab-panel[hidden] { display: none !important; }
.generation-tab-panel { min-width: 0; }

@media (min-width: 981px) {
  .workspace {
    height: calc(100vh - 42px);
    min-height: calc(100vh - 42px);
    overflow: hidden;
  }

  .output-panel,
  .input-panel {
    min-height: 0;
  }

  .input-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    max-height: calc(100vh - 42px);
    overflow: hidden;
  }

  .input-panel #generator-form {
    grid-row: 1 / -1;
  }

  #generator-form {
    min-height: 0;
    overflow: hidden;
  }

  .generation-design-column,
  .generation-settings-column,
  .generation-content-column {
    max-height: 100%;
    padding-right: 6px;
    overflow-y: auto;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: #464646 transparent;
  }

  .sidebar-layout-options,
  .deck-slides {
    max-height: none;
  }
}

@media (max-width: 540px) {
  .semantic-color-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .color-palette-row { grid-template-columns: 1fr; gap: 8px; }
  .color-palette-row button { justify-self: start; }
}

/* Keep the preview footprint stable regardless of the uploaded slide ratio. */
.preview-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.preview-replace-button,
.preview-file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.preview-replace-button {
  min-height: 32px;
  padding: 6px 10px;
  cursor: pointer;
}

.preview-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(184px, 25%);
  grid-template-rows: minmax(0, 1fr) auto;
  place-items: stretch;
  align-items: stretch;
  gap: 12px;
  height: clamp(250px, 25vw, 380px);
  padding: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.preview-upload-state {
  grid-column: 1;
  grid-row: 1 / -1;
  display: grid;
  place-items: center;
  align-content: center;
  width: 100%;
  height: 100%;
  gap: 12px;
  border: 1px dashed var(--line-strong);
  background: #1c1c1c;
}

.preview-upload-state[hidden],
.preview-content[hidden],
.preview-replace-button[hidden] {
  display: none !important;
}

.preview-upload-state p {
  color: var(--muted);
  font-size: 11px;
}

.preview-file-button {
  min-width: 150px;
  padding: 0 18px;
  cursor: pointer;
}

.preview-file-button[aria-disabled="true"] {
  opacity: 0.65;
  pointer-events: none;
}

.preview-content {
  grid-column: 1;
  grid-row: 1 / -1;
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.preview-content > .slide-preview {
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  min-width: 0;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  margin: 0;
}

/* Three-column generation workspace: preview/layouts, parameters, and content. */
.workspace {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
  grid-template-areas: "preview generation generation";
  gap: 0;
  align-items: stretch;
}

.output-panel {
  grid-area: preview;
  min-height: 100vh;
  height: 100%;
  padding: 18px 18px 20px;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(240px, 53vh) auto;
  align-content: start;
  gap: 0;
}

.workspace-column-heading {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
}

.output-panel > .workspace-column-heading {
  margin-bottom: 10px;
}

.generation-content-column > .workspace-column-heading {
  margin-bottom: 0;
}

.input-panel {
  grid-area: generation;
  min-height: 100vh;
  max-height: 100vh;
  padding: 18px 0 24px;
  overflow: hidden;
  scrollbar-gutter: auto;
}

#generator-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.generation-settings-column {
  grid-column: 1;
  grid-row: 1;
  min-height: 0;
  max-height: 100%;
  padding: 0 18px 0 20px;
  overflow-y: auto;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: #464646 transparent;
}

.generation-design-column,
.generation-communication-column {
  max-height: none;
  padding-right: 0;
  overflow: visible;
}

.generation-content-column {
  grid-column: 2;
  grid-row: 1;
  min-height: 0;
  max-height: 100%;
  padding: 0 22px 0 20px;
  overflow-y: auto;
  border-top: 0;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: #464646 transparent;
}

.preview-frame {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  height: 100%;
  min-height: 240px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.preview-upload-state,
.preview-content {
  grid-column: 1;
  grid-row: 1;
}

.preview-controls-row {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  margin-top: 12px;
}

.preview-controls-row .preview-mode-section {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  padding: 10px;
}

.preview-controls-row .mode-options {
  gap: 4px;
}

.preview-controls-row .mode-option > span {
  min-height: 36px;
  padding: 7px 5px;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.preview-controls-row .preview-actions {
  align-items: center;
  flex: 0 0 auto;
}

.preview-controls-row .preview-replace-button {
  min-height: 36px;
  white-space: nowrap;
}

.preview-layout-panel,
.preview-slide-panel {
  min-width: 0;
  margin-top: 14px;
}

.preview-layout-panel .sidebar-layout-options {
  min-width: 0;
}

.preview-slide-panel {
  margin-top: 12px;
}

@media (max-width: 980px) {
  .workspace {
    min-height: 0;
    height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    grid-template-areas:
      "preview"
      "generation";
    align-items: stretch;
  }

  .output-panel,
  .input-panel {
    min-height: 0;
    max-height: none;
    height: auto;
    overflow: visible;
  }

  .output-panel {
    padding: 18px 14px 20px;
    grid-template-rows: auto auto auto auto;
  }

  .preview-frame {
    height: clamp(250px, 56vw, 440px);
    min-height: 250px;
  }

  #generator-form {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    height: auto;
    overflow: visible;
  }

  .generation-settings-column,
  .generation-content-column {
    grid-column: 1;
    max-height: none;
    overflow: visible;
  }

  .generation-settings-column {
    grid-row: 1;
  }

  .generation-content-column {
    grid-row: 2;
  }
}

@media (max-width: 540px) {
  .preview-controls-row {
    flex-direction: column;
  }

  .preview-controls-row .preview-actions {
    justify-content: stretch;
  }

  .preview-controls-row .preview-replace-button {
    width: 100%;
  }
}

/* Preview settings behave like a toast over the lower preview controls. */
.preview-lower-area {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: visible;
}

.preview-layout-toolbar:not([hidden]) {
  position: absolute;
  z-index: 12;
  top: 0;
  right: 0;
  left: 0;
  max-height: 100%;
  margin: 0;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(24, 24, 24, 0.97);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(14px);
  animation: preview-layout-toast-enter 140ms ease-out;
}

.preview-layout-toolbar:not([hidden]) .layout-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.preview-layout-toolbar .layout-grid input,
.preview-layout-toolbar .layout-grid select {
  min-height: 26px;
  height: 26px;
  padding: 3px 5px;
  border-radius: 4px;
  font-size: 10px;
}

.preview-layout-toolbar .layout-grid input[type="color"] {
  padding: 2px;
}

.preview-layout-toolbar .layout-grid .number-input-control > input[type="number"] {
  padding-right: 20px;
  appearance: textfield;
  -webkit-appearance: textfield;
}

.preview-layout-toolbar .layout-grid .number-spinner {
  width: 13px;
  border-radius: 0 3px 3px 0;
}

.preview-layout-toolbar .alignment-toggle {
  min-height: 26px;
}

.preview-layout-toolbar .alignment-toggle-button {
  min-height: 24px;
  padding: 3px 4px;
}

.preview-layout-toolbar .alignment-toggle-button svg {
  width: 14px;
  height: 14px;
}

@keyframes preview-layout-toast-enter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .preview-layout-toolbar:not([hidden]) { animation: none; }
}

/* Two-tone dark chrome for the workspace: depth comes from surfaces, not rules. */
body,
.workspace,
.app-header,
.app-footer {
  background: var(--canvas);
}

.app-header,
.app-footer {
  border-color: transparent;
}

.app-footer {
  color: var(--muted);
}

.app-footer a {
  color: var(--muted);
}

.app-footer a:hover {
  color: var(--text);
}

.panel {
  border: 0;
  border-radius: 0;
  background: var(--surface);
}

.workspace {
  gap: 4px;
  background: var(--canvas);
}

.output-panel,
.generation-settings-column,
.generation-content-column {
  background: var(--surface);
}

.input-panel {
  background: var(--canvas);
  padding-top: 0;
}

#generator-form {
  gap: 4px;
  background: var(--canvas);
}

.generation-settings-column .design-preset-control,
.generation-settings-column .generation-design-column .visual-tuning {
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
}

.generation-settings-column {
  background: var(--surface);
}

.generation-settings-column .design-preset-control,
.generation-settings-column .generation-design-column .visual-tuning {
  padding-right: 0;
  padding-left: 0;
}

.generation-settings-column .design-preset-select-row select,
.generation-settings-column .visual-tuning .design-control select,
.generation-settings-column .visual-tuning .font-control-row select,
.generation-settings-column .visual-tuning #font-select,
.generation-settings-column .visual-tuning .preset-row input,
.generation-settings-column .visual-tuning .preset-row select {
  border: 0;
  background: var(--canvas);
  color: var(--text);
}

.generation-settings-column .generation-tabs {
  border: 0;
  border-radius: 0;
  background: transparent;
  border-top: 2px solid var(--canvas);
  gap: 0;
  margin-right: -18px;
  margin-left: -20px;
  padding-right: 0;
  padding-left: 0;
  padding-top: 0;
}

.generation-settings-column .generation-tabs button,
.generation-settings-column .generation-tabs button:hover {
  min-height: 32px;
  border: 0;
  background: var(--canvas);
  color: var(--muted);
}

.generation-settings-column .generation-tabs button[aria-selected="true"] {
  background: var(--surface);
  color: var(--text);
}

.output-panel > .preview-lower-area {
  border-top: 2px solid var(--canvas);
  margin-right: -18px;
  margin-left: -18px;
  padding-right: 18px;
  padding-left: 18px;
  padding-top: 10px;
}

.output-panel .preview-layout-panel {
  border-top: 2px solid var(--canvas);
  margin-right: -18px;
  margin-left: -18px;
  padding-right: 18px;
  padding-left: 18px;
  padding-top: 10px;
}

.generation-content-column textarea,
.generation-content-column .choice-row select,
.generation-content-column .choice-row input,
.output-panel .mode-section,
.output-panel .sidebar-layout-options .layout-option {
  border-color: transparent;
  background: var(--surface);
  color: var(--text);
}

.generation-content-column textarea {
  background: var(--canvas);
}

.generation-settings-column .visual-tuning .secondary-button,
.generation-settings-column .visual-tuning .icon-button {
  border: 0;
  background: var(--canvas);
  color: var(--text);
}

.generation-settings-column .visual-tuning .secondary-button:hover,
.generation-settings-column .visual-tuning .icon-button:hover {
  background: var(--surface);
}

.generation-settings-column .visual-tuning .layout-settings {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.generation-settings-column .visual-tuning .tuning-refinements,
.generation-settings-column .visual-tuning .generation-axis + .generation-axis {
  border-color: transparent;
}

.generation-settings-column .visual-tuning input[type="range"] {
  --range-fill: var(--text);
  --range-track: #555555;
  --range-thumb: var(--text);
}

@media (max-width: 980px) {
  .generation-settings-column .generation-tabs {
    margin-right: 0;
    margin-left: 0;
    padding-right: 0;
    padding-left: 0;
  }

  .output-panel > .preview-lower-area,
  .output-panel .preview-layout-panel {
    margin-right: -14px;
    margin-left: -14px;
    padding-right: 14px;
    padding-left: 14px;
  }
}

/* Compact, muted workspace chrome. */
@media (min-width: 1181px) {
  .output-panel {
    padding-top: 0;
  }
}

.workspace-column-heading-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  padding-top: 18px;
  margin-bottom: 10px;
}

.workspace-column-heading-row .workspace-column-heading {
  min-width: 0;
  padding-top: 0;
  margin: 0;
}

.workspace-column-heading-row .preview-replace-button {
  flex: 0 0 auto;
  margin-left: auto;
}

.workspace-column-heading {
  padding-top: 18px;
  color: #b8b8b8;
  font-size: 13px;
}

.generation-settings-column,
.generation-content-column,
.output-panel {
  color: #a8a8a8;
  font-size: 11px;
}

.generation-settings-column .design-preset-select-row > span,
.generation-settings-column .design-control,
.generation-settings-column .visual-tuning .label,
.generation-settings-column .visual-tuning .color-role-label,
.generation-settings-column .visual-tuning summary,
.generation-content-column .field > span,
.generation-content-column .label,
.workspace .section-heading > span,
.workspace .sidebar-panel-heading strong {
  color: #a5a5a5;
  font-size: 10px;
}

.generation-settings-column .design-preset-select-row > span,
.generation-settings-column .visual-tuning .design-control > span:first-child,
.generation-settings-column .visual-tuning .label,
.generation-settings-column .visual-tuning legend,
.generation-settings-column .visual-tuning h3,
.generation-settings-column .visual-tuning summary,
.generation-content-column .field > span,
.workspace .section-heading > span,
.workspace .sidebar-panel-heading strong {
  color: #ffffff;
}

.generation-settings-column .visual-tuning p,
.generation-settings-column .generation-help,
.generation-content-column .usage-summary,
.workspace .sidebar-panel-heading small,
.workspace .deck-empty,
.workspace .preview-upload-state p {
  color: #8f8f8f;
  font-size: 10px;
}

.generation-settings-column .generation-tabs button,
.generation-settings-column .generation-tabs button:hover,
.generation-settings-column .generation-tabs button[aria-selected="true"],
.generation-settings-column .design-preset-control,
.generation-settings-column .visual-tuning select,
.generation-settings-column .visual-tuning input,
.generation-content-column .choice-row select,
.generation-content-column .choice-row input {
  font-size: 10px;
}

.generation-settings-column .generation-tabs button,
.generation-settings-column .generation-tabs button:hover {
  border-radius: 0 !important;
  color: #909090;
}

.generation-settings-column .generation-tabs button[aria-selected="true"] {
  color: #c4c4c4;
}

.generation-content-column textarea {
  color: #bcbcbc;
  font-size: 11px;
}

.generation-content-column textarea::placeholder,
.workspace input::placeholder {
  color: #808080;
}

.output-panel .preview-replace-button {
  color: #a5a5a5;
  font-size: 10px;
}

.generation-communication-column #advanced-settings {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.generation-communication-column #advanced-settings .advanced-settings-body {
  gap: 12px;
  padding: 0;
}

.generation-communication-column #advanced-settings .field > span,
.generation-communication-column #advanced-settings .context-field > span,
.generation-communication-column #advanced-settings .web-enrichment strong,
.generation-communication-column #advanced-settings .segmented span {
  color: #a5a5a5;
  font-size: 10px;
}

.generation-communication-column #advanced-settings .web-enrichment {
  min-height: 32px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.generation-communication-column #advanced-settings .web-enrichment small {
  color: #8f8f8f;
  font-size: 9px;
}

.generation-communication-column #advanced-settings .choice-row select {
  border-color: transparent;
  background: var(--canvas);
  color: #bcbcbc;
  font-size: 10px;
}

.output-panel .preview-frame {
  background: var(--canvas);
}

@media (min-width: 541px) {
  .preview-controls-row .preview-mode-section {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 0 0;
  }

  .preview-controls-row .preview-mode-section .section-heading {
    flex: 0 0 auto;
  }

  .preview-controls-row .preview-mode-section .mode-options.toggle-switch {
    flex: 0 1 220px;
    width: 220px;
    gap: 2px;
    padding: 2px;
  }

  .preview-controls-row .preview-mode-section .mode-option > span {
    min-height: 28px;
    padding: 4px 8px;
  }
}

@media (min-width: 1181px) {
  .generation-settings-column .generation-tabs {
    margin-right: -28px;
  }
}

/* On narrow screens the workspace becomes a vertical sequence of full-width
   panels. Keep the dark tone exclusively for deliberate, edge-to-edge
   separators instead of exposing the generation wrapper as side gutters. */
@media (max-width: 980px) {
  .workspace {
    gap: 2px;
  }

  .input-panel {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: var(--canvas);
  }

  #generator-form {
    gap: 2px;
    background: var(--canvas);
  }

  .generation-settings-column {
    padding: 0 18px 18px;
    border: 0;
    background: var(--surface);
  }

  .generation-content-column {
    padding: 0 18px 24px;
    border: 0;
    background: var(--surface);
  }

  .generation-settings-column .generation-tabs {
    margin-right: -18px;
    margin-left: -18px;
  }
}

/* Columns are defined by their straight, full-length dark separators. */
.workspace > .output-panel,
.workspace > .input-panel,
#generator-form,
.generation-settings-column,
.generation-content-column {
  border-radius: 0 !important;
}