:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #050505;
  --muted: #5d5d5d;
  --line: #d8d8d8;
  --soft: #f4f4f4;
  --soft-strong: #e9e9e9;
  --focus: #050505;
  --danger: #a00000;
  --success: #0f5f2d;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.08);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050505;
    --fg: #ffffff;
    --muted: #b5b5b5;
    --line: #2b2b2b;
    --soft: #111111;
    --soft-strong: #1d1d1d;
    --focus: #ffffff;
    --danger: #ff7272;
    --success: #8ee0a8;
    --shadow: 0 18px 44px rgba(255, 255, 255, 0.04);
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --fg: #050505;
  --muted: #5d5d5d;
  --line: #d8d8d8;
  --soft: #f4f4f4;
  --soft-strong: #e9e9e9;
  --focus: #050505;
  --danger: #a00000;
  --success: #0f5f2d;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #050505;
  --fg: #ffffff;
  --muted: #b5b5b5;
  --line: #2b2b2b;
  --soft: #111111;
  --soft-strong: #1d1d1d;
  --focus: #ffffff;
  --danger: #ff7272;
  --success: #8ee0a8;
  --shadow: 0 18px 44px rgba(255, 255, 255, 0.04);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

button,
input,
select,
textarea {
  font: inherit;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

a {
  color: inherit;
}

.shell {
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: grid;
  gap: 8px;
}

.brand-kicker {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand-title {
  margin: 0;
  font-size: clamp(34px, 7vw, 88px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: 0;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.segmented {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  background: var(--soft);
}

.segment {
  min-width: 44px;
  min-height: 34px;
  border: 0;
  color: var(--muted);
  background: transparent;
}

.segment[aria-pressed="true"] {
  color: var(--bg);
  background: var(--fg);
}

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 520px) minmax(0, 1fr);
  gap: 24px;
  padding-top: 24px;
}

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

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line);
}

.panel-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
}

.panel-body {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.file-url-grid {
  display: grid;
  gap: 10px;
}

.file-upload-grid {
  display: grid;
  gap: 10px;
}

.input-mode {
  width: fit-content;
}

.label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.field-help {
  max-width: 54ch;
  margin: -2px 0 2px;
  color: var(--muted);
  font-size: 13px;
}

.input,
.select,
.textarea,
.file-input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--fg);
  background: var(--bg);
  outline: 0;
}

.input,
.select,
.textarea {
  padding: 11px 12px;
}

.textarea {
  min-height: 104px;
  resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus,
.file-input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 1px var(--focus);
}

.file-input {
  padding: 8px;
}

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

.file-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.file-button {
  min-width: 172px;
}

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

.preset-option {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 12px 12px 12px 40px;
  border: 1px solid var(--line);
  background: var(--bg);
}

.preset-option input {
  position: absolute;
  top: 14px;
  left: 12px;
  width: 16px;
  height: 16px;
  accent-color: var(--fg);
}

.preset-name {
  font-weight: 700;
}

.preset-description,
.meta,
.small {
  color: var(--muted);
  font-size: 13px;
}

.file-list,
.run-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.file-item,
.run-item {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.file-item:first-child,
.run-item:first-child {
  border-top: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--fg);
  border-radius: 0;
  padding: 0 16px;
  color: var(--bg);
  background: var(--fg);
  text-decoration: none;
}

.button.secondary {
  color: var(--fg);
  background: var(--bg);
}

.status-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(76px, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.status-step {
  display: grid;
  gap: 8px;
  align-content: center;
  min-height: 82px;
  min-width: 0;
  padding: 12px;
  color: var(--muted);
  background: var(--bg);
}

.status-step.is-active {
  color: var(--bg);
  background: var(--fg);
}

.status-step.is-complete {
  color: var(--fg);
  background: var(--soft-strong);
}

.status-index {
  font-size: 11px;
}

.status-label {
  font-size: 10px;
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 16px;
  align-items: start;
}

.preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  background:
    linear-gradient(45deg, var(--soft) 25%, transparent 25%),
    linear-gradient(-45deg, var(--soft) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--soft) 75%),
    linear-gradient(-45deg, transparent 75%, var(--soft) 75%);
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-size: 20px 20px;
  object-fit: contain;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 240px;
  border: 1px dashed var(--line);
  color: var(--muted);
  text-align: center;
}

.notice {
  border-left: 3px solid var(--fg);
  padding: 10px 12px;
  background: var(--soft);
}

.notice.error {
  border-left-color: var(--danger);
  color: var(--danger);
}

.notice.success {
  border-left-color: var(--success);
  color: var(--success);
}

@media (max-width: 1040px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 18px;
  }

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

  .topbar-actions {
    justify-content: flex-start;
  }

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

  .status-board {
    grid-template-columns: 1fr;
  }
}