/* Figma design: zinc palette, 16px gaps, panel headers with icons */
:root {
  /* Zinc palette */
  --zinc-950: #09090b;
  --zinc-900: #18181b;
  --zinc-800: #27272a;
  --zinc-800-50: rgba(39, 39, 42, 0.5);
  --zinc-800-30: rgba(39, 39, 42, 0.3);
  --zinc-700: #3f3f46;
  --zinc-500: #71717a;
  --zinc-400: #a1a1aa;
  --zinc-300: #d4d4d8;
  --zinc-100: #f4f4f5;
  /* Accents */
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --yellow-500: #eab308;
  --yellow-600: #ca8a04;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --red-500: #ef4444;
  --gold: #d4af37;
  --gold-dim: #b8960c;
  /* Layout */
  --gap: 16px;
  --zinc-600: #52525b;
  --bottom-panel-height: 200px;
  --radius: 8px;
  --radius-sm: 6px;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--zinc-950);
  color: var(--zinc-100);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
}

.layout {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  gap: 0;
  padding: var(--gap);
}

/* —— Site header: BioCol at top center —— */
.site-header {
  flex-shrink: 0;
  text-align: center;
  padding: 0.75rem 0 1rem;
}

.site-header__title {
  margin: 0;
  font-family: Cambria, "Cambria Math", "Hoefler Text", serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--zinc-100);
}

.site-header__subtitle {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--zinc-400);
}

.control-section {
  margin-bottom: 1.25rem;
}

.section-title {
  margin: 0 0 0.5rem 0;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zinc-400);
}

.controls label {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--zinc-400);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.controls label.row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
  color: var(--zinc-300);
}

.controls textarea,
.controls select,
.controls input[type="number"],
.controls input[type="password"] {
  width: 100%;
  margin-bottom: 0.6rem;
  padding: 0.5rem 0.65rem;
  background: var(--zinc-950);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-sm);
  color: var(--zinc-100);
  font-family: inherit;
  font-size: 12px;
}

.control-value {
  margin-left: 0.35rem;
  color: var(--zinc-400);
  font-size: 0.75rem;
}

.control-hint {
  font-weight: normal;
  color: var(--zinc-500);
  font-size: 0.7rem;
  text-transform: none;
}

.controls input[type="range"] {
  width: 100%;
  margin-bottom: 0.6rem;
  height: 6px;
  accent-color: var(--blue-500);
  background: var(--zinc-800);
  border-radius: 3px;
}

.controls textarea {
  resize: vertical;
  min-height: 52px;
}

.controls select {
  cursor: pointer;
}

/* Custom dropdown: looks like normal dropdown, open list shows 5 rows + scroll */
.custom-dropdown-wrap {
  position: relative;
  margin-bottom: 0.6rem;
}

.custom-dropdown-wrap select {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  z-index: -1;
}

.custom-dropdown {
  position: relative;
  width: 100%;
}

.custom-dropdown__trigger {
  width: 100%;
  padding: 0.5rem 0.65rem;
  background: var(--zinc-950);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-sm);
  color: var(--zinc-100);
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.custom-dropdown__chevron {
  margin-left: 0.5rem;
  font-size: 0.6rem;
  color: var(--zinc-500);
}

.custom-dropdown__trigger:hover,
.custom-dropdown__trigger:focus {
  border-color: var(--zinc-600);
  outline: none;
}

.custom-dropdown__list {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  margin-top: 2px;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-sm);
  max-height: 7.5rem;
  overflow-y: auto;
  z-index: 10;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.custom-dropdown__list.is-open {
  display: block;
}

.custom-dropdown__option {
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  color: var(--zinc-200);
  font-size: 12px;
}

.custom-dropdown__option:hover {
  background: var(--zinc-800);
}

.custom-dropdown__option.is-selected {
  background: var(--zinc-800);
  color: var(--zinc-100);
}

.controls input[type="checkbox"] {
  accent-color: var(--blue-500);
}

.controls textarea:focus,
.controls select:focus,
.controls input:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.run-btn {
  margin-top: 0.75rem;
  padding: 0.65rem 1.2rem;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--blue-600);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s ease, filter 0.15s ease;
}

.run-btn:hover:not(:disabled) {
  background: var(--blue-500);
  filter: brightness(1.05);
}

.run-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.run-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* —— Design tab: start section (centered inputs) —— */
.design-start {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 0;
  padding: var(--gap);
  padding-top: 1.5rem;
}

.design-start.design-start--hidden {
  display: none;
}

.design-form {
  width: 100%;
  max-width: 560px;
}

.design-inputs label {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--zinc-400);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.design-inputs textarea {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.6rem 0.75rem;
  background: var(--zinc-950);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-sm);
  color: var(--zinc-100);
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
  min-height: 60px;
}

.design-inputs textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.design-inputs #objective {
  min-height: 48px;
}

.design-actions {
  display: flex;
  align-items: center;
  gap: var(--gap);
  margin-top: 1.25rem;
}

.config-dropdown-wrap {
  position: relative;
}

.config-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  background: var(--zinc-800);
  border: 1px solid var(--zinc-700);
  border-radius: var(--radius-sm);
  color: var(--zinc-300);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.config-toggle:hover {
  background: var(--zinc-700);
  border-color: var(--zinc-600);
}

.config-toggle.config-toggle--open {
  border-color: var(--blue-500);
  background: var(--zinc-800);
}

.config-toggle__chevron {
  font-size: 0.6rem;
  color: var(--zinc-500);
  transition: transform 0.2s;
}

.config-toggle--open .config-toggle__chevron {
  transform: rotate(180deg);
}

.config-popover {
  position: fixed;
  z-index: 1000;
  min-width: 280px;
  max-width: 320px;
  max-height: min(380px, calc(100vh - 120px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-700);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.config-popover__content {
  padding: var(--gap);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  min-height: 0;
}

.config-popover__content .section-title {
  font-size: 0.8rem;
}

.config-popover[aria-hidden="true"] {
  display: none;
}

.design-actions .run-btn {
  margin-top: 0;
  width: auto;
  padding: 0.65rem 1.5rem;
}

/* —— Design run view: hidden until Run is clicked —— */
.design-run-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.design-run-view--hidden {
  display: none;
}

/* Unified frame: agent window + bottom panel share one gold-bordered outline */
.design-run-frame {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 6px;
  gap: 6px;
  box-sizing: border-box;
}

/* —— Main: top (50/50) + bottom (256px) —— */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  gap: var(--gap);
}

.top-section {
  flex: 1;
  display: flex;
  min-height: 0;
}

/* Agent Window: inside design-run-frame, no outer border */
.agent-window {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  background: var(--zinc-900);
  border-radius: var(--radius);
  overflow: hidden;
}

.agent-window__title {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 0.75rem;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zinc-300);
  padding: 0.5rem var(--gap) 0.4rem;
  white-space: nowrap;
}

/* Left segment: from left edge to title */
.agent-window__title::before {
  content: "";
  flex: 1;
  min-width: 0;
  height: 0;
  border-top: 1px solid var(--zinc-800);
}

/* Right segment: from title to right edge */
.agent-window__title::after {
  content: "";
  flex: 1;
  min-width: 0;
  height: 0;
  border-top: 1px solid var(--zinc-800);
}

.agent-window__content {
  flex: 1;
  display: flex;
  gap: var(--gap);
  min-height: 0;
  padding: 0 var(--gap) var(--gap) var(--gap);
  overflow: hidden;
  border-radius: 0 0 var(--radius) var(--radius);
}

.agent-window__content .panel {
  border-radius: var(--radius-sm);
  background: var(--zinc-950);
}

.agent-window__content .panel-header {
  background: var(--zinc-950);
}

.agent-window__content .pane-content {
  background: var(--zinc-950);
}

.agent-window__content.run-finished .pane.in-progress {
  display: none;
}

.agent-window__content.run-finished .pane.completed {
  flex: 1;
  min-width: 0;
}

.panel {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px var(--gap);
  flex-shrink: 0;
  border-bottom: 1px solid var(--zinc-800);
  background: var(--zinc-800-50);
}

.panel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-icon--yellow {
  color: var(--yellow-500);
}

.panel-icon--green {
  color: var(--green-500);
}

.panel-icon--blue {
  color: var(--blue-500);
}

.panel-title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zinc-300);
  flex: 1;
}

.panel-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  background: var(--zinc-800);
  color: var(--zinc-400);
}

.pane.in-progress .panel-badge {
  background: rgba(234, 179, 8, 0.2);
  color: var(--yellow-500);
}

.pane.completed .panel-badge {
  background: rgba(34, 197, 94, 0.2);
  color: var(--green-500);
}

.view-protein-btn {
  display: none;
  margin-left: auto;
  padding: 0.4rem 0.75rem;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--blue-600);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s ease, filter 0.15s ease;
}

.view-protein-btn:hover {
  background: var(--blue-500);
  filter: brightness(1.05);
  color: white;
}

.agent-window__content.run-finished .view-protein-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Protein viewer modal */
.protein-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--gap);
  pointer-events: none;
}

.protein-modal[aria-hidden="false"] {
  display: flex;
  pointer-events: auto;
}

.protein-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.protein-modal__panel {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.protein-modal__header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: var(--gap);
  flex-shrink: 0;
  border-bottom: 1px solid var(--zinc-800);
  background: var(--zinc-800-50);
}

.protein-modal__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--zinc-100);
}

.protein-modal__actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 0.5rem;
}

.protein-modal__btn {
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, filter 0.15s ease;
}

.protein-modal__btn--primary {
  background: var(--blue-600);
  color: white;
}

.protein-modal__btn--primary:hover {
  background: var(--blue-500);
  filter: brightness(1.05);
}

.protein-modal__btn--secondary {
  background: var(--zinc-700);
  color: var(--zinc-200);
}

.protein-modal__btn--secondary:hover {
  background: var(--zinc-600);
  filter: brightness(1.05);
}

.protein-modal__viewer {
  position: relative;
  z-index: 0;
  flex: 1;
  min-height: 420px;
  width: 100%;
  max-height: calc(90vh - 120px);
  background: var(--zinc-950);
  overflow: hidden;
  isolation: isolate;
}

.protein-modal__viewer canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.protein-modal__error {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  padding: var(--gap);
  color: var(--red-500);
  font-size: 0.85rem;
  border-top: 1px solid var(--zinc-800);
}

/* Spinner animation for in-progress icon */
.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.pane-content {
  flex: 1;
  min-height: 0;
  padding: var(--gap);
}

.pane-content.scrollable {
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* —— Cards (in-progress: yellow, completed: green) —— */
.agent-entry {
  padding: 0.65rem 0.9rem;
  margin-bottom: 0.5rem;
  background: var(--zinc-800-50);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--zinc-300);
}

.agent-entry.sub {
  margin-top: -0.25rem;
  margin-bottom: 0.5rem;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-top: none;
}

.agent-entry.running {
  border-left: 3px solid var(--yellow-500);
}

.agent-entry.complete {
  border-left: 3px solid var(--green-500);
}

.agent-entry.failed {
  border-left: 3px solid var(--red-500);
}

.agent-entry .iter {
  color: var(--blue-500);
  font-weight: 600;
}

.agent-entry .status {
  color: var(--zinc-500);
  margin-left: 0.35rem;
}

.assignments {
  margin-top: 0.4rem;
  font-size: 11px;
  color: var(--zinc-500);
  line-height: 1.6;
}

.assign-chip {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  margin: 0.1rem 0.15rem 0.1rem 0;
  background: var(--zinc-800);
  border-radius: 4px;
  color: var(--zinc-300);
  font-size: 10px;
}

.completed-header {
  margin-bottom: 0.5rem;
}

.iter-summary {
  margin-top: 0.35rem;
  font-size: 11px;
  color: var(--zinc-500);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge.accepted {
  background: rgba(34, 197, 94, 0.2);
  color: var(--green-500);
}

.badge.rejected {
  background: rgba(239, 68, 68, 0.2);
  color: var(--red-500);
}

.proposals-wrap {
  margin-top: 0.5rem;
  overflow-x: auto;
}

.proposals-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.proposals-table th,
.proposals-table td {
  padding: 0.4rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid var(--zinc-800);
  color: var(--zinc-300);
}

.proposals-table th {
  color: var(--zinc-400);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.03em;
}

.proposals-table td.reason {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--zinc-500);
}

.proposals-table td.reason:hover {
  white-space: normal;
  overflow: visible;
}

.proposals-table tbody tr.applied {
  background: rgba(34, 197, 94, 0.08);
}

.proposals-table tbody tr.applied td:first-child {
  color: var(--green-500);
  font-weight: 500;
}

.proposals-table code {
  font-size: 11px;
  color: var(--blue-500);
}

.table-empty {
  margin: 0;
  font-size: 11px;
  color: var(--zinc-500);
}

/* —— Bottom panel: inside design-run-frame, no outer border —— */
.design-run-frame .bottom-panel {
  height: var(--bottom-panel-height);
  min-height: var(--bottom-panel-height);
  flex-shrink: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-sizing: border-box;
}

.bottom-panel__frame {
  display: flex;
  flex-direction: row;
  gap: 6px;
  height: 100%;
  min-height: 0;
  background: var(--zinc-950);
}

.bottom-panel-half {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bottom-panel-logs,
.bottom-panel-scores {
  flex: 1;
}

/* Header: plain text only, outside box, centered on top border of golden box */
.bottom-panel-half__header {
  position: relative;
  z-index: 1;
  align-self: center;
  width: fit-content;
  max-width: 100%;
  flex-shrink: 0;
  margin-top: 0.4rem;
  margin-bottom: -0.55em;
  padding: 0 0.5rem;
  background: var(--zinc-950);
  border: none;
  border-bottom: none;
  display: flex;
  align-items: center;
}

.bottom-panel-half__header .panel-title {
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zinc-300);
}

.bottom-panel-half__header.panel-header {
  background: var(--zinc-950);
  padding: 0 0.5rem;
  border-bottom: none;
}

.bottom-panel-half__box {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gold);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--zinc-950);
}

.bottom-panel-inner {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

/* Current sequence & scores — plain text lines */
.bottom-panel-scores__text {
  padding: 0.5rem 0.75rem;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--zinc-300);
}

.bottom-panel-scores__text .score-line {
  padding: 0.2rem 0;
  line-height: 1.5;
  color: var(--zinc-300);
}

.bottom-panel-scores__text .sequence-display {
  font-size: 11px;
  word-break: break-all;
  color: var(--green-500);
}

.bottom-panel-scores__text #current-sequence.empty {
  color: var(--zinc-500);
}

/* Log list (left half) — terminal-like */
.log-list {
  padding: 0.5rem 0.75rem;
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--zinc-950);
  color: var(--zinc-300);
}

.log-entry {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.25rem 0;
  color: var(--zinc-300);
  line-height: 1.5;
}

.log-entry__prefix {
  flex-shrink: 0;
  color: var(--zinc-500);
  user-select: none;
}

.log-entry__icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}

.log-entry__icon--spinner {
  color: var(--yellow-500);
}

.log-entry__icon--spinner svg {
  animation: spin 0.8s linear infinite;
}

.log-entry__icon--check {
  color: var(--green-500);
}

.log-entry__line {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.log-entry__text {
  word-break: break-word;
  color: var(--zinc-300);
}

.log-entry--success .log-entry__text {
  color: var(--green-500);
}

.log-entry--error .log-entry__text {
  color: var(--red-500);
}

/* Final protein design: inline golden box */
.log-entry--final .log-entry__line {
  flex-wrap: wrap;
}

.log-entry--final .log-entry__text {
  display: inline;
}

.log-final-box {
  display: inline;
  margin-left: 0.35rem;
  color: #eab308;
  font-size: 11px;
  word-break: break-all;
  letter-spacing: 0.02em;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--zinc-800-50);
}

.data-table th {
  padding: 0.5rem var(--gap);
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zinc-400);
  border-bottom: 1px solid var(--zinc-800);
}

.data-table td {
  padding: 0.5rem var(--gap);
  border-bottom: 1px solid var(--zinc-800);
  color: var(--zinc-300);
}

.data-table tbody tr:hover {
  background: var(--zinc-800-30);
}

.data-table__label {
  color: var(--zinc-400);
  width: 140px;
}

.data-table__value {
  color: var(--zinc-100);
}

.data-table__value--mono {
  font-family: var(--font-mono);
  font-size: 11px;
}

.sequence-display {
  font-size: 11px;
  word-break: break-all;
  color: var(--green-500);
}

#current-sequence.empty {
  color: var(--zinc-500);
}

/* Status pills for energy trend */
.status-pill {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 500;
}

.status-pill--blue {
  background: rgba(59, 130, 246, 0.2);
  color: var(--blue-500);
}

.status-pill--green {
  background: rgba(34, 197, 94, 0.2);
  color: var(--green-500);
}

.status-pill--yellow {
  background: rgba(234, 179, 8, 0.2);
  color: var(--yellow-500);
}

.status-pill--red {
  background: rgba(239, 68, 68, 0.2);
  color: var(--red-500);
}

/* Ensure data table value cells with mono use same font */
.data-table code {
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Splash overlay (~2s: fade in, hold, fade out) */
.splash-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--zinc-950);
  opacity: 0;
  transition: opacity 0.5s ease-out;
  pointer-events: none;
}

.splash-overlay.splash-visible {
  opacity: 1;
  transition-duration: 0.5s;
}

.splash-overlay.splash-fade-out {
  opacity: 0;
}

.splash-overlay[aria-hidden="true"] {
  display: none;
}

.splash-content {
  text-align: center;
}

.splash-title {
  margin: 0;
  font-family: Cambria, "Cambria Math", "Hoefler Text", serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--zinc-100);
  letter-spacing: 0.02em;
}

.splash-slogan {
  margin: 0.5rem 0 0 0;
  font-size: 1.1rem;
  color: var(--zinc-400);
  letter-spacing: 0.03em;
}

/* Main tabs (Design / History) */
.main-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 var(--gap);
  flex-shrink: 0;
  border-bottom: 1px solid var(--zinc-800);
  background: var(--zinc-900);
}

.topbar-counter {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--zinc-400);
}

.topbar-counter #total-proteins-count {
  font-weight: 700;
  color: var(--blue-500);
}

.main-tab {
  padding: 0.6rem 1rem;
  border: none;
  background: transparent;
  color: var(--zinc-500);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.main-tab:hover {
  color: var(--zinc-300);
}

.main-tab.main-tab--active {
  color: var(--blue-500);
  border-bottom-color: var(--blue-500);
}

.tab-panel {
  display: none;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.tab-panel.tab-panel--active {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

/* Design tab: visually appealing background */
#tab-design {
  background:
    linear-gradient(90deg, rgba(39, 39, 42, 0.4) 1px, transparent 1px),
    linear-gradient(rgba(39, 39, 42, 0.4) 1px, transparent 1px),
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    var(--zinc-950);
  background-size: 24px 24px, 24px 24px, 100% 100%, auto;
}

.tab-panel[hidden] {
  display: none !important;
}

/* History tab */
.history-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--gap);
  border-bottom: 1px solid var(--zinc-800);
}

.history-panel-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--zinc-100);
}

.history-refresh-btn {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--zinc-600);
  border-radius: var(--radius-sm);
  background: var(--zinc-800);
  color: var(--zinc-300);
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
}

.history-refresh-btn:hover {
  background: var(--zinc-700);
  color: var(--zinc-100);
}

.history-table-wrap {
  flex: 1;
  overflow: auto;
  padding: var(--gap);
  position: relative;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.history-table th,
.history-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--zinc-800);
}

.history-table th {
  color: var(--zinc-500);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.history-table td {
  color: var(--zinc-300);
}

.history-table code {
  font-size: 0.75rem;
  word-break: break-all;
}

.history-empty {
  color: var(--zinc-500);
  font-size: 0.9rem;
  margin: 1rem 0 0 0;
  display: none;
}

.history-table-wrap:not(.has-rows) .history-empty {
  display: block;
}

.history-eye-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border: 1px solid var(--zinc-600);
  border-radius: var(--radius-sm);
  background: var(--zinc-800);
  color: var(--zinc-300);
  cursor: pointer;
  pointer-events: auto;
}

.history-eye-btn:hover:not(:disabled) {
  background: var(--zinc-700);
  color: var(--blue-500);
}

.history-eye-btn:disabled,
.history-eye-btn.history-eye-btn--no-image {
  opacity: 0.5;
  cursor: default;
}

.history-eye-btn.history-eye-btn--no-image:hover {
  background: var(--zinc-800);
  color: var(--zinc-300);
}

.run-image-modal__panel {
  max-width: 900px;
}

.run-image-modal__content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

/* About tab — floating card with markdown */
.about-float-wrap {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--gap);
  overflow: auto;
  min-height: 0;
}

.about-float-card {
  width: 100%;
  max-width: 640px;
  padding: 2rem;
  background: var(--zinc-900);
  border: 1px solid var(--zinc-700);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  color: var(--zinc-200);
  font-size: 0.95rem;
  line-height: 1.6;
}

.markdown-body h1 {
  margin: 0 0 1rem 0;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--zinc-100);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--zinc-700);
}

.markdown-body h2 {
  margin: 1.5rem 0 0.75rem 0;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--zinc-100);
}

.markdown-body h3 {
  margin: 1.25rem 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--zinc-300);
}

.markdown-body h3 a > img {
  margin-left: 0.5rem;
}

.markdown-body p {
  margin: 0 0 0.75rem 0;
}

.markdown-body ul, .markdown-body ol {
  margin: 0 0 0.75rem 0;
  padding-left: 1.5rem;
}

.markdown-body li {
  margin: 0.25rem 0;
}

.markdown-body strong {
  font-weight: 600;
  color: var(--zinc-100);
}

.markdown-body code {
  padding: 0.15em 0.4em;
  background: var(--zinc-800);
  border-radius: 4px;
  font-size: 0.88em;
}

.markdown-body pre {
  margin: 0.75rem 0;
  padding: 1rem;
  background: var(--zinc-950);
  border: 1px solid var(--zinc-800);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

.markdown-body pre code {
  padding: 0;
  background: none;
}

.markdown-body img {
  display: block;
  max-width: 120px;
  height: auto;
  border-radius: 50%;
  margin: 0.5rem 0 1rem 0;
  border: 2px solid var(--zinc-700);
}

.markdown-body a > img {
  display: inline-block;
  max-width: 22px;
  height: 22px;
  width: 22px;
  border-radius: 0;
  margin: 0 0.35rem 0 0;
  border: none;
  vertical-align: middle;
}

.markdown-body .contact-email {
  color: var(--zinc-300);
  font-style: normal;
}