:root {
  color-scheme: light;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --background: #f4f4f4;
  --layer: #ffffff;
  --layer-accent: #e0e0e0;
  --layer-hover: #e8e8e8;
  --text-primary: #161616;
  --text-secondary: #525252;
  --text-placeholder: #6f6f6f;
  --border-subtle: #e0e0e0;
  --border-strong: #8d8d8d;
  --interactive: #0f62fe;
  --interactive-hover: #0353e9;
  --interactive-active: #002d9c;
  --focus: #0f62fe;
  --danger: #da1e28;
  --success: #24a148;
  --warning: #f1c21b;
}

* {
  box-sizing: border-box;
}

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

button,
input {
  font: inherit;
}

button {
  border: 0;
}

.carbon-header {
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  background: #161616;
  color: #f4f4f4;
}

.carbon-header-name {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  font-size: 0.875rem;
  line-height: 1;
  font-weight: 600;
}

.carbon-header-prefix {
  color: #c6c6c6;
  font-weight: 400;
}

.app-shell {
  width: min(1184px, 100%);
  margin: 0 auto;
  padding: 32px 32px 48px;
}

.hidden {
  display: none !important;
}

.auth-view {
  min-height: calc(100vh - 128px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 384px;
  gap: 64px;
  align-items: center;
}

.brand-block {
  border-left: 4px solid var(--interactive);
  padding-left: 24px;
}

.brand-block h1,
.topbar h1 {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(2.625rem, 5vw, 4.75rem);
  font-weight: 300;
  line-height: 1.05;
}

.lead {
  max-width: 560px;
  margin: 24px 0 0;
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.6;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.panel {
  background: var(--layer);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  box-shadow: none;
}

.auth-panel,
.upload-panel,
.jobs-panel {
  padding: 32px;
}

.auth-panel h2 {
  margin: 0 0 32px;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.4;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.34;
}

.field input {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-bottom: 1px solid var(--border-strong);
  border-radius: 0;
  padding: 0 16px;
  color: var(--text-primary);
  background: var(--background);
}

.field input:focus,
.drop-zone:focus-within {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.field input:hover {
  background: var(--layer-hover);
}

.primary-button,
.secondary-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 0;
  padding: 0 16px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.28;
}

.primary-button::after {
  content: "→";
  margin-left: 32px;
  font-size: 1rem;
}

.primary-button {
  width: 100%;
  background: var(--interactive);
  color: #ffffff;
}

.primary-button:hover:not(:disabled) {
  background: var(--interactive-hover);
}

.primary-button:active:not(:disabled) {
  background: var(--interactive-active);
}

.primary-button:focus,
.secondary-button:focus,
.download-link:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.primary-button:disabled {
  cursor: not-allowed;
  background: #c6c6c6;
  color: #8d8d8d;
}

.secondary-button {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
}

.secondary-button:hover {
  background: var(--layer-hover);
}

.compact {
  min-height: 40px;
  padding: 0 16px;
}

.message {
  min-height: 20px;
  margin: 16px 0 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.43;
}

.message.error {
  color: var(--danger);
}

.message.success {
  color: var(--success);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: flex-start;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 416px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

#fileInput {
  display: none;
}

.drop-zone {
  min-height: 240px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  border: 1px dashed var(--border-strong);
  border-radius: 0;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  color: var(--text-secondary);
  background: var(--background);
}

.drop-zone:hover {
  background: var(--layer-hover);
}

.drop-zone strong {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.drop-zone-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--interactive);
  font-size: 2rem;
  font-weight: 300;
  line-height: 1;
}

.upload-panel .primary-button {
  margin-top: 24px;
}

.metadata-table-wrap {
  margin-top: 20px;
  max-height: min(520px, 58vh);
  overflow-y: auto;
  border: 1px solid var(--border-subtle);
  background: var(--layer);
}

.metadata-list {
  display: grid;
  gap: 1px;
  background: var(--border-subtle);
}

.metadata-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 16px;
  background: var(--background);
}

.metadata-filename {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.34;
  overflow-wrap: anywhere;
}

.metadata-remove-button {
  min-height: 32px;
  align-self: start;
  border: 1px solid var(--border-strong);
  padding: 0 10px;
  cursor: pointer;
  color: var(--text-primary);
  background: transparent;
  font-size: 0.75rem;
}

.metadata-remove-button:hover {
  background: var(--layer-hover);
}

.metadata-field {
  display: grid;
  gap: 6px;
  grid-column: 1 / -1;
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.34;
}

.metadata-input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border-strong);
  padding: 8px 10px;
  font: inherit;
  color: var(--text-primary);
  background: var(--background);
}

.metadata-date-input-group {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.metadata-date-input-group .metadata-input {
  min-width: 0;
  flex: 1;
}

.metadata-date-picker {
  width: 48px;
  min-height: 40px;
  border: 1px solid var(--border-strong);
  padding: 8px;
  color: transparent;
  background: var(--background);
  cursor: pointer;
}

.metadata-input:focus {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.metadata-date-picker:focus {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.4;
}

.jobs-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--border-subtle);
}

.job-item {
  border: 0;
  border-radius: 0;
  padding: 16px;
  background: var(--background);
}

.job-item:hover {
  background: var(--layer-hover);
}

.job-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.job-name {
  min-width: 0;
  margin: 0;
  color: var(--text-primary);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.job-id {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.34;
}

.status {
  flex: 0 0 auto;
  min-width: 72px;
  max-width: 240px;
  padding: 2px 8px;
  background: #edf5ff;
  color: #0043ce;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.34;
  text-align: center;
  overflow-wrap: anywhere;
}

.status.done {
  background: #defbe6;
  color: #0e6027;
}

.status.error {
  background: #fff1f1;
  color: #a2191f;
}

.download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.download-link {
  display: inline-flex;
  color: var(--interactive);
  font-size: 0.875rem;
  font-weight: 400;
  text-decoration: none;
}

.download-link::after {
  content: "↗";
  margin-left: 8px;
}

.download-link:hover {
  color: var(--interactive-hover);
  text-decoration: underline;
}

.empty-state {
  margin: 0;
  padding: 32px 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

@media (max-width: 820px) {
  .app-shell {
    padding: 24px 16px 40px;
  }

  .auth-view,
  .workspace {
    grid-template-columns: 1fr;
  }

  .auth-view {
    min-height: auto;
    align-items: start;
    gap: 32px;
  }

  .brand-block {
    padding-left: 16px;
  }

  .topbar {
    display: grid;
  }

  .topbar .secondary-button {
    width: 100%;
  }
}