/* ============================================================
   BioMiner UI — Design System v2
   Font: Inter (body) + JetBrains Mono (code)
   Palette: slate background · white cards · blue-600 accent
   ============================================================ */
/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --bg:            #f1f5f9;
  --surface:       #ffffff;
  --surface-2:     #f8fafc;
  --border:        #e2e8f0;
  --border-strong: #cbd5e1;

  --text:          #0f172a;
  --text-muted:    #64748b;
  --text-light:    #94a3b8;

  --accent:        #2563eb;
  --accent-hover:  #1d4ed8;
  --accent-light:  #eff6ff;
  --accent-border: #bfdbfe;
  --cyan:          #06b6d4;
  --cyan-light:    #ecfeff;

  --success:       #059669;
  --success-light: #ecfdf5;
  --warning:       #d97706;
  --error:         #dc2626;
  --error-light:   #fef2f2;

  --radius-sm:  5px;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Fira Code', monospace;

  --shadow-xs: 0 1px 2px rgba(15,23,42,.06);
  --shadow-sm: 0 1px 4px rgba(15,23,42,.08), 0 0 0 1px rgba(15,23,42,.04);
  --shadow:    0 4px 16px rgba(15,23,42,.10);
  --shadow-lg: 0 8px 32px rgba(15,23,42,.13);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: #ffffff;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ─────────────────────────────────────────────────── */
.layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 1.75rem 2.5rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  gap: 0;
}

/* ── Header ─────────────────────────────────────────────────── */
.header {
  background: linear-gradient(135deg, #0c1f3f 0%, #163472 55%, #0e265a 100%);
  border-radius: var(--radius-xl);
  padding: 1.15rem 1.75rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 40px rgba(14,38,90,.28), 0 2px 6px rgba(14,38,90,.18);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  flex-shrink: 0;
}

.header::after {
  content: '';
  position: absolute;
  right: 2rem; top: 0; bottom: 0;
  width: 240px;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 120' xmlns='http://www.w3.org/2000/svg' opacity='.10'%3E%3Ccircle cx='40' cy='40' r='18' fill='none' stroke='%2306b6d4' stroke-width='2'/%3E%3Ccircle cx='80' cy='70' r='10' fill='none' stroke='%232563eb' stroke-width='2'/%3E%3Ccircle cx='120' cy='30' r='14' fill='none' stroke='%2306b6d4' stroke-width='1.5'/%3E%3Ccircle cx='160' cy='80' r='12' fill='none' stroke='%232563eb' stroke-width='1.5'/%3E%3Ccircle cx='200' cy='40' r='8' fill='none' stroke='%2306b6d4' stroke-width='2'/%3E%3Cline x1='40' y1='40' x2='80' y2='70' stroke='%2306b6d4' stroke-width='1' opacity='.7'/%3E%3Cline x1='80' y1='70' x2='120' y2='30' stroke='%232563eb' stroke-width='1' opacity='.7'/%3E%3Cline x1='120' y1='30' x2='160' y2='80' stroke='%2306b6d4' stroke-width='1' opacity='.7'/%3E%3Cline x1='160' y1='80' x2='200' y2='40' stroke='%232563eb' stroke-width='1' opacity='.7'/%3E%3C/svg%3E") center / contain no-repeat;
  pointer-events: none;
}

.header h1 {
  margin: 0 0 .2rem;
  position: relative;
  z-index: 1;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: .9rem;
  position: relative;
  z-index: 1;
}

a.header-brand-link {
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
}
a.header-brand-link:hover .header-title {
  color: var(--accent);
}
a.header-brand-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Logo badge — transparent PNG renders directly on dark header */
.header-logo-badge {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo {
  height: 58px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0,160,220,.35));
}

.header-text {
  display: flex;
  flex-direction: column;
  gap: .1rem;
}

.header-title {
  font-size: 1.5rem;
  font-weight: 750;
  color: #ffffff;
  letter-spacing: 0;
  line-height: 1.1;
  font-family: var(--font-sans);
}

.header h1 {
  display: none; /* replaced by .header-title text */
}

.subtitle {
  margin: 0;
  color: rgba(255,255,255,.65);
  font-size: .88rem;
  font-weight: 400;
  position: relative;
  z-index: 1;
  letter-spacing: .01em;
}

/* ── Language switch ────────────────────────────────────────── */
.lang-switch {
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.lang-label {
  font-size: .82rem;
  color: rgba(255,255,255,.5);
}

.lang-btn {
  min-width: 4.2rem;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  padding: .3rem .8rem;
  font-size: .82rem;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.lang-btn:hover {
  background: rgba(255,255,255,.2);
  color: #fff;
}

.lang-btn.active {
  background: rgba(255,255,255,.25);
  color: #fff;
  border-color: rgba(255,255,255,.35);
  font-weight: 600;
}

/* ── Navigation tabs ────────────────────────────────────────── */
.sheet-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0;
  border-bottom: none;
  flex-shrink: 0;
}

.sheet-tab {
  padding: .42rem .9rem;
  font-size: .82rem;
  font-weight: 500;
  font-family: inherit;
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: color .13s, background .13s, border-color .13s, box-shadow .13s;
  line-height: 1.3;
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
}

.sheet-tab:hover {
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-light);
}

.sheet-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(37,99,235,.35);
}

/* ── Sheet panels ────────────────────────────────────────────── */
.sheet-main {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

.sheet-panel {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-bottom: 1.5rem;
}

.sheet-panel.active { display: flex; }

.main {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 0;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 650;
  color: var(--text);
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* accent left border on cards */
.card h2::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 1em;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--cyan) 100%);
  flex-shrink: 0;
}

/* ── Input layout ────────────────────────────────────────────── */
.row-input {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 900px) {
  .row-input { grid-template-columns: 1fr; }
}

.card-pdf-preview {
  min-height: 420px;
  display: flex;
  flex-direction: column;
}

.card-pdf-preview h2 { flex-shrink: 0; }

/* ── Form elements ───────────────────────────────────────────── */
.form-row { margin-bottom: .9rem; }
.form-row:last-of-type { margin-bottom: 0; }

.form-row label {
  display: block;
  margin-bottom: .3rem;
  color: var(--text-muted);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .01em;
  text-transform: uppercase;
}

.form-row input[type="text"],
.form-row input[type="password"],
.form-row select {
  width: 100%;
  padding: .52rem .8rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: .88rem;
  transition: border-color .13s, box-shadow .13s;
  outline: none;
}

.form-row input[type="text"]:focus,
.form-row input[type="password"]:focus,
.form-row select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.input-group {
  display: flex;
  gap: .5rem;
  align-items: center;
}

.input-group input { flex: 1; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  padding: .5rem 1.1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .87rem;
  font-weight: 550;
  cursor: pointer;
  transition: background .13s, box-shadow .13s, transform .1s, opacity .13s;
  white-space: nowrap;
  letter-spacing: .005em;
}

.btn.primary {
  background: linear-gradient(135deg, #2563eb 0%, #1e55d0 100%);
  color: #fff;
  box-shadow: 0 2px 6px rgba(37,99,235,.3);
}

.btn.primary:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1845be 100%);
  box-shadow: 0 4px 12px rgba(37,99,235,.4);
  transform: translateY(-1px);
}

.btn.primary:active { transform: translateY(0); }

.btn.secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.btn.secondary:hover {
  background: var(--surface);
  border-color: var(--accent-border);
  color: var(--accent);
}

.btn.small {
  padding: .32rem .65rem;
  font-size: .78rem;
  border-radius: var(--radius-sm);
}

.btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Config details / fieldset ───────────────────────────────── */
.config-details {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.config-details summary {
  cursor: pointer;
  color: var(--accent);
  font-size: .87rem;
  font-weight: 600;
  user-select: none;
  display: flex;
  align-items: center;
  gap: .4rem;
}

.config-details summary::marker { display: none; }
.config-details summary::-webkit-details-marker { display: none; }

.config-fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem 1rem .8rem;
  margin-top: .9rem;
}

.config-fieldset legend {
  padding: 0 .4rem;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.config-actions {
  margin-top: 1rem;
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}

/* ── Hint / status messages ──────────────────────────────────── */
.hint {
  margin: 0 0 1rem;
  padding: .6rem .85rem;
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  color: #1e40af;
  font-size: .83rem;
  line-height: 1.5;
}

/* ── Job / log output ────────────────────────────────────────── */
.job-info {
  margin-top: .9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: .6rem 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.job-info.hidden { display: none; }

.log-output {
  margin: 1rem 0 0;
  padding: 1rem 1.1rem;
  background: #0d1117;
  color: #c9d1d9;
  border: 1px solid #30363d;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.5;
  max-height: 340px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── Results summary ─────────────────────────────────────────── */
.results-summary {
  margin-bottom: .9rem;
  padding: .65rem 1rem;
  background: var(--cyan-light);
  border: 1px solid #a5f3fc;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  color: #0e7490;
  font-weight: 500;
}

.results-summary.hidden { display: none; }

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap,
.markush-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.results-table,
.markush-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}

.results-table th,
.markush-table th {
  padding: .55rem .85rem;
  text-align: left;
  background: var(--surface-2);
  color: var(--text-muted);
  font-weight: 650;
  font-size: .77rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}

.results-table td,
.markush-table td {
  padding: .5rem .85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.results-table tbody tr:nth-child(even) { background: #fafbff; }
.results-table tbody tr:hover           { background: var(--accent-light); }
.markush-table tbody tr:hover           { background: var(--accent-light); }

.results-table-empty-hint {
  margin: 0;
  padding: 2rem;
  color: var(--text-light);
  font-size: .88rem;
  text-align: center;
}

/* edit input inside table */
.results-edit-input {
  width: 100%;
  box-sizing: border-box;
  padding: .25rem .4rem;
  background: var(--surface);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text);
}

/* ── Pagination ──────────────────────────────────────────────── */
.activity-pagination-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: .75rem;
  padding: .5rem 0;
}

.activity-pagination-row.hidden { display: none !important; }

.activity-pagination-info {
  color: var(--text-muted);
  font-size: .85rem;
}

.activity-pagination-btns {
  display: flex;
  gap: .35rem;
}

/* ── PDF preview ─────────────────────────────────────────────── */
.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.preview-panel.hidden { display: none !important; }

.pdf-preview-wrap {
  flex: 1;
  min-height: 360px;
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.pdf-preview-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  color: var(--text-light);
  font-size: .88rem;
  padding: 1.5rem;
  text-align: center;
}

.pdf-preview-placeholder.hidden { display: none; }

.pdf-preview-iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: none;
}

.pdf-preview-iframe.hidden { display: none !important; }

/* ── File input ──────────────────────────────────────────────── */
.file-input-custom {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

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

.file-input-status {
  font-size: .85rem;
  color: var(--text-muted);
}

/* ── Detection (molecule bbox canvas) ────────────────────────── */
.detection-two-col {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 1.25rem;
  align-items: start;
  min-height: 280px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-2);
}

.detection-two-col.hidden { display: none !important; }

@media (max-width:700px) { .detection-two-col { grid-template-columns: 1fr; } }

.detection-canvas-col {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  position: relative;
  max-height: 70vh;
  min-width: 0;
}

.zoom-toolbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  padding: .45rem .6rem;
  width: 100%;
  background: rgba(248,250,252,.96);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border);
}

.detection-canvas-scroll {
  overflow: auto;
  width: 100%;
  max-height: 70vh;
  padding-top: 46px;
  min-width: 0;
}

.zoom-label {
  margin-left: auto;
  font-size: .8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.detection-canvas-col canvas {
  display: block;
  max-width: none;
  width: auto; height: auto;
  max-height: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.detection-info-col {
  padding: 1rem;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  min-width: 0;
  min-height: 320px;
  height: 100%;
  overflow: hidden;
}

.detection-bbox-list-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  min-height: 0;
}

.detection-bbox-list-wrap.hidden { display: none !important; }

.detection-ketcher-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.detection-two-col.is-ketcher-open .detection-ketcher-col {
  height: auto;
  min-height: 620px;
  overflow: visible;
}

.detection-ketcher-col.hidden { display: none !important; }

.detection-ketcher-toolbar {
  display: grid;
  grid-template-columns: auto minmax(10rem, 1fr) auto auto;
  gap: .45rem;
  align-items: center;
  flex: 0 0 auto;
  position: sticky;
  top: 0;
  z-index: 2;
  padding-bottom: .15rem;
  background: var(--surface-2);
}

.detection-bbox-crop-wrap {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: .5rem;
}

.detection-bbox-crop-wrap.hidden { display: none !important; }

.detection-bbox-crop-img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.detection-two-col.is-ketcher-open .detection-bbox-crop-wrap {
  display: none !important;
}

.detection-ketcher-col #detectionBackToBboxList {
  flex-shrink: 0;
  white-space: nowrap;
  margin-bottom: 0;
}

.detection-ketcher-col .detection-ketcher-input {
  min-width: 0;
  width: 100%;
  padding: .35rem .55rem;
  font-size: .83rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  width: 100%;
  box-sizing: border-box;
  outline: none;
  transition: border-color .13s;
}

.detection-ketcher-col .detection-ketcher-input:focus {
  border-color: var(--accent);
}

.detection-ketcher-col .ketcher-iframe-wrap {
  flex: 0 0 auto;
  height: 520px;
  min-height: 520px;
  max-height: none;
  overflow: hidden;
}

.detection-ketcher-col .ketcher-iframe-wrap iframe {
  display: block;
  height: 100%;
  min-height: 520px;
  max-height: none;
  overflow: hidden;
}

.detection-info-label {
  margin: 0;
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: .01em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .detection-ketcher-toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .detection-ketcher-toolbar .detection-ketcher-input {
    grid-column: 1 / -1;
  }
}

.detection-bbox-list {
  flex: 1;
  min-height: 120px;
  max-height: 70vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.detection-bbox-list-empty-hint {
  margin: 0;
  color: var(--text-light);
  font-size: .85rem;
  padding: .5rem 0;
}

.detection-bbox-row {
  padding: .55rem .75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .83rem;
  cursor: pointer;
  transition: border-color .13s, background .13s, box-shadow .13s;
}

.detection-bbox-row:hover {
  background: var(--accent-light);
  border-color: var(--accent-border);
}

.detection-bbox-row.selected {
  border-color: var(--accent);
  background: var(--accent-light);
  box-shadow: 0 0 0 2px rgba(37,99,235,.18);
}

.detection-bbox-row .detection-row-index {
  font-weight: 700;
  color: var(--accent);
  margin-right: .3rem;
}

.detection-bbox-row .detection-row-smiles {
  font-family: var(--font-mono);
  font-size: .77em;
  word-break: break-all;
  margin-top: .2rem;
  color: var(--text-muted);
}

.detection-bbox-row .detection-row-bbox {
  font-size: .73em;
  color: var(--text-light);
  margin-top: .12rem;
}

.detection-doc-page-row.hidden { display: none !important; }

.detection-selects {
  display: flex;
  gap: .6rem;
  align-items: center;
  flex-wrap: wrap;
}

.page-stepper {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

.page-stepper .btn {
  min-width: 4.4rem;
}

#detectionDocPageRow select,
.detection-selects select,
.markush-selects select {
  padding: .38rem .65rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .88rem;
  font-family: inherit;
  outline: none;
  transition: border-color .13s;
}

#detectionDocPageRow select:focus,
.detection-selects select:focus,
.markush-selects select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

#detectionPlaceholder, .detection-placeholder {
  margin-top: .5rem;
  text-align: center;
  color: var(--text-light);
  font-size: .88rem;
}

#detectionPlaceholder.hidden, .detection-placeholder.hidden { display: none; }

/* ── Markush / Full / Part layout ────────────────────────────── */
.markush-doc-page-row.hidden { display: none; }

.markush-selects {
  display: flex;
  gap: .6rem;
  align-items: center;
}

.markush-selects select { min-width: 180px; }

.markush-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.markush-content.hidden { display: none !important; }

.sheet-image-result-row {
  display: grid;
  grid-template-columns: 40% 1fr;
  gap: 1.25rem;
  align-items: start;
  margin-top: .75rem;
}

.sheet-image-result-row.hidden { display: none !important; }

.sheet-image-result-row--half {
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
}

#activityImageImageResultRow { grid-template-columns: 50% 1fr; }
#activityImageImageResultRow .sheet-image-col { max-height: 90vh; }
#activityImageImageResultRow .page-image-viz-wrap { max-height: 90vh; }
#activityImageImageResultRow .page-image-viz-wrap .page-image-scroll { max-height: 90vh; }

@media (max-width: 900px) { .sheet-image-result-row { grid-template-columns: 1fr; } }

.sheet-image-col {
  position: sticky;
  top: .5rem;
  overflow: auto;
  max-height: 70vh;
}

.sheet-image-col--viz-toolbar { overflow: hidden; min-width: 0; }

.page-image-viz-wrap {
  position: relative;
  width: 100%;
  max-height: 70vh;
  min-width: 0;
}

.activity-doc-pdf-wrap .page-image-scroll { padding-top: 0 !important; }

.page-image-viz-wrap .page-image-scroll {
  overflow: auto;
  width: 100%;
  max-height: 70vh;
  padding-top: 46px;
  min-width: 0;
  box-sizing: border-box;
}

.page-image-viz-wrap .page-image-img { max-width: none; }

.sheet-result-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-image-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .5rem;
}

.page-image-wrap.page-image-viz-wrap { display: block; }
.page-image-wrap.hidden { display: none !important; }

.page-image-placeholder {
  color: var(--text-light);
  font-size: .88rem;
  margin: 0;
}

.page-image-wrap.page-image-loaded .page-image-placeholder { display: none; }

.page-image-img {
  display: block;
  max-width: 100%;
  width: auto; height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.page-image-wrap .page-image-img[src=""] { display: none; }

/* ── Markush coref panel ─────────────────────────────────────── */
.markush-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: .5rem;
}

.markush-table { width: 100%; border-collapse: collapse; font-size: .83rem; }

.markush-table th, .markush-table td {
  padding: .42rem .7rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.markush-table th {
  background: var(--surface-2);
  color: var(--text-muted);
  font-weight: 600;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .025em;
}

.markush-table tbody tr:hover { background: var(--accent-light); }

.markush-coref-panel { margin-top: .5rem; }
.markush-coref-panel.hidden { display: none !important; }

.markush-coref-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .25rem;
}

.markush-coref-toolbar .markush-coref-label { margin: 0; }

.markush-coref-hint { margin: 0 0 .35rem; font-size: .78rem; color: var(--text-muted); }
.markush-coref-hint.markush-coref-hint--ok { color: var(--success); }

.markush-coref-label {
  margin: 0 0 .35rem;
  color: var(--text-muted);
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .01em;
}

.markush-coref-panel .markush-json { max-height: min(55vh, 520px); }

.markush-json--editable {
  display: block;
  width: 100%;
  box-sizing: border-box;
  resize: vertical;
  min-height: 200px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: inherit;
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.45;
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  padding: .5rem;
  outline: none;
  transition: border-color .13s;
}

.markush-json--editable:focus { border-color: var(--accent); }

.markush-json {
  margin: .25rem 0 0;
  padding: .5rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: var(--font-mono);
  font-size: .75rem;
}

.markush-placeholder, .markush-placeholder.hidden { display: none; }
.markush-placeholder:not(.hidden) {
  display: block;
  margin-top: .5rem;
  text-align: center;
  color: var(--text-light);
  font-size: .88rem;
}

/* ── Ketcher iframe ──────────────────────────────────────────── */
.ketcher-iframe-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.ketcher-iframe-wrap iframe {
  display: block;
  width: 100%;
  height: 480px;
  border: none;
}

.ketcher-status {
  flex: 0 0 auto;
  margin: .2rem 0 .35rem;
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.ketcher-status.is-loading {
  color: var(--accent);
}

.ketcher-status.is-error {
  color: #b42318;
}

.ketcher-status.is-warning {
  color: #9a6700;
}

.ketcher-status.is-loading::before {
  content: "";
  display: inline-block;
  width: .72rem;
  height: .72rem;
  margin-right: .35rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 999px;
  vertical-align: -.1rem;
  animation: biominerSheetSpin .8s linear infinite;
}

/* ── Given structure (bioactivity given SMILES) ──────────────── */
.given-structure-given-smiles {
  margin-bottom: .75rem;
  padding: .7rem .9rem;
  background: linear-gradient(180deg, rgba(37,99,235,.05) 0%, #ffffff 100%);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
}

.given-structure-given-smiles.hidden { display: none; }

.given-structure-given-smiles-head {
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: .4rem;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.given-structure-pdb-id {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .35rem .55rem;
  margin-bottom: .5rem;
  padding: .3rem .5rem;
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  font-size: .82rem;
}

.given-structure-pdb-id.hidden { display: none; }

.given-structure-pdb-id-label { font-weight: 600; color: var(--text-muted); }

.given-structure-pdb-id-value {
  font-family: var(--font-mono);
  font-size: .84rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--surface);
  padding: .12rem .4rem;
  border-radius: 4px;
  border: 1px solid var(--accent-border);
}

a.given-structure-pdb-id-link {
  font-size: .79rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-border);
  padding-bottom: 1px;
  margin-left: .12rem;
  white-space: nowrap;
}

a.given-structure-pdb-id-link.hidden { display: none; }
a.given-structure-pdb-id-link:hover { color: var(--accent-hover); }

.given-structure-pdb-title {
  margin-bottom: .65rem;
  padding: .4rem .55rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.given-structure-pdb-title.hidden { display: none; }

.given-structure-pdb-title-label {
  display: block;
  font-size: .73rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: .3rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.given-structure-pdb-title-value {
  margin: 0;
  font-size: .82rem;
  line-height: 1.45;
  color: var(--text);
  word-break: break-word;
}

.given-structure-given-smiles-figure {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: .4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.given-structure-given-smiles-img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
}

.given-structure-given-smiles-img.hidden { display: none; }

.given-structure-given-smiles-err {
  margin: 0;
  padding: .5rem;
  font-size: .78rem;
  color: var(--text-muted);
  width: 100%;
}

.given-structure-given-smiles-err.hidden { display: none; }

.given-structure-table-block {
  position: relative;
  margin-top: .75rem;
  min-height: 140px;
}

.given-structure-sim-hint { margin: 0 0 .5rem; }

.given-structure-ketcher-overlay {
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  z-index: 15;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  align-items: stretch;
  overflow: auto;
  box-shadow: var(--shadow-lg);
}

.given-structure-ketcher-overlay.hidden { display: none !important; }

.given-structure-ketcher-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
}

.given-structure-ketcher-hint {
  margin: 0;
  flex: 1;
  min-width: 12rem;
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.given-structure-ketcher-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
}

.given-structure-ketcher-controls .detection-ketcher-input { flex: 1; min-width: 10rem; }

.given-structure-ketcher-iframe-wrap iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: none;
}

/* Given structure table column widths */
#givenStructureTable { table-layout: auto; width: 100%; min-width: 0; }

#givenStructureTable td.ligand-cell {
  min-width: 0; white-space: normal;
  word-break: break-word; overflow-wrap: anywhere; vertical-align: top;
}

#givenStructureTable td.smiles-cell {
  max-width: 260px; width: 260px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-family: var(--font-mono); vertical-align: top;
}

#givenStructureTable th.given-structure-col-op,
#givenStructureTable td.given-structure-col-op {
  white-space: nowrap; vertical-align: middle;
  padding-left: .35rem; padding-right: .35rem;
}

#givenStructureTable th.given-structure-col-compact,
#givenStructureTable td.given-structure-col-compact {
  max-width: 6rem; white-space: nowrap; text-align: center;
  vertical-align: middle; padding-left: .35rem; padding-right: .35rem;
  box-sizing: border-box; overflow: hidden; text-overflow: ellipsis;
}

#givenStructureTable th.given-structure-col-sim,
#givenStructureTable td.given-structure-col-sim {
  max-width: 5rem; text-align: center;
  white-space: nowrap; vertical-align: middle;
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  margin-top: 1.5rem;
  padding-top: .9rem;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: .8rem;
  flex-shrink: 0;
  text-align: center;
}

/* ── Btn-view-mol ─────────────────────────────────────────────── */
.btn-view-mol {
  padding: .22rem .5rem;
  font-size: .78rem;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: background .13s, color .13s;
}

.btn-view-mol:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Hidden utility ──────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Auto-hide result-dir row ────────────────────────────────── */
.auto-result-dir-row { display: none !important; }

/* ── Activity image sheet ────────────────────────────────────── */
#activityImageImageResultRow .sheet-image-col { max-height: 95vh !important; }
#activityImageImageResultRow .page-image-viz-wrap { max-height: 95vh !important; }
#activityImageImageResultRow .page-image-viz-wrap .page-image-scroll { max-height: 95vh !important; }
#activityImageImageResultRow .pdf-preview-iframe { min-height: 650px; }

/* ── Activity text sheet ─────────────────────────────────────── */
#activityTextImageResultRow { grid-template-columns: 50% 1fr; }
#activityTextImageResultRow .sheet-image-col { max-height: 95vh !important; }
#activityTextImageResultRow .page-image-viz-wrap { max-height: 95vh !important; }
#activityTextImageResultRow .page-image-viz-wrap .page-image-scroll { max-height: 95vh !important; }
#activityTextImageResultRow .pdf-preview-iframe { min-height: 650px; }

/* ── Given structure sheet ────────────────────────────────────── */
#givenStructureImageResultRow {
  grid-template-columns: minmax(0,50%) minmax(0,1fr);
  align-items: stretch;
  height: min(85vh, 920px);
  max-height: min(85vh, 920px);
  min-height: 320px;
  overflow: hidden;
}

#givenStructureImageResultRow .sheet-image-col {
  position: relative; top: auto;
  max-height: none !important; height: 100%;
  min-height: 0; display: flex;
  flex-direction: column; overflow: hidden;
}

#givenStructureImageResultRow .sheet-image-col .page-image-wrap.activity-doc-pdf-wrap {
  flex: 1; min-height: 0; display: flex;
  flex-direction: column; overflow: hidden; width: 100%;
}

#givenStructureImageResultRow .page-image-viz-wrap {
  flex: 1; min-height: 0; max-height: none !important;
  display: flex; flex-direction: column; overflow: hidden;
}

#givenStructureImageResultRow .page-image-viz-wrap .page-image-scroll {
  flex: 1; min-height: 0; max-height: none !important;
  overflow: auto; -webkit-overflow-scrolling: touch;
}

#givenStructureImageResultRow .pdf-preview-iframe { min-height: 240px; width: 100%; }

#givenStructureImageResultRow .sheet-result-col {
  height: 100%; min-height: 0;
  overflow: hidden; gap: .75rem;
}

#givenStructureImageResultRow .given-structure-given-smiles { flex-shrink: 0; }
#givenStructureImageResultRow .given-structure-given-smiles-figure { min-height: 88px; max-height: 200px; padding: .3rem .4rem; }
#givenStructureImageResultRow .given-structure-given-smiles-img { max-height: 140px; }

#givenStructureImageResultRow .given-structure-table-block {
  flex: 1 1 0; min-height: 0; display: flex;
  flex-direction: column; margin-top: 0; overflow: hidden;
}

#givenStructureImageResultRow .given-structure-main-view {
  flex: 1; min-height: 0; display: flex;
  flex-direction: column; overflow: hidden;
}

#givenStructureImageResultRow .given-structure-main-view > .table-wrap {
  flex: 1; min-height: 0; overflow: auto;
  -webkit-overflow-scrolling: touch;
}

#givenStructureImageResultRow .given-structure-main-view > #givenStructurePaginationRow { flex-shrink: 0; }

@media (max-width: 900px) {
  #givenStructureImageResultRow {
    height: auto; max-height: none; min-height: 0; overflow: visible;
  }
  #givenStructureImageResultRow .sheet-image-col,
  #givenStructureImageResultRow .sheet-result-col {
    height: auto; max-height: none; overflow: visible;
  }
  #givenStructureImageResultRow .given-structure-table-block { overflow: visible; }
  #givenStructureImageResultRow .given-structure-main-view { overflow: visible; }
  #givenStructureImageResultRow .given-structure-main-view > .table-wrap { overflow-x: auto; overflow-y: visible; }
}

/* ── Markush Full / Part layout ──────────────────────────────── */
#markushImageResultRow,
#markushPartImageResultRow {
  grid-template-columns: 50% 1fr;
  align-items: stretch !important;
}

#markushImageResultRow .sheet-image-col,
#markushPartImageResultRow .sheet-image-col {
  height: 100% !important;
  max-height: none !important;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#markushImageResultRow .page-image-viz-wrap,
#markushPartImageResultRow .page-image-viz-wrap {
  flex: 1 1 auto;
  height: 100%;
  max-height: none !important;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#markushImageResultRow .page-image-viz-wrap .page-image-scroll,
#markushPartImageResultRow .page-image-viz-wrap .page-image-scroll {
  flex: 1 1 auto;
  height: 100%;
  max-height: none !important;
  min-height: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

#markushImageResultRow .page-image-img,
#markushPartImageResultRow .page-image-img {
  max-width: none;
}

#markushImageResultRow .sheet-result-col,
#markushPartImageResultRow .sheet-result-col {
  min-height: 650px;
  height: 95vh; max-height: 95vh;
  display: flex; flex-direction: column; overflow: hidden;
}

#markushImageResultRow .markush-content,
#markushPartImageResultRow .markush-content {
  height: 100%; flex: 1; min-height: 0;
}

#markushImageResultRow .markush-coref-panel,
#markushPartImageResultRow .markush-coref-panel {
  height: 100%; display: flex; flex-direction: column; min-height: 0;
}

#markushImageResultRow .markush-coref-panel .markush-json,
#markushPartImageResultRow .markush-coref-panel .markush-json {
  flex: 1; min-height: 0; max-height: none; height: 100%; resize: none;
}

/* ── Preview tabs ────────────────────────────────────────────── */
.preview-tabs {
  display: flex;
  gap: .25rem;
  margin-bottom: .75rem;
  flex-shrink: 0;
}

.tab-btn {
  padding: .35rem .75rem;
  font-size: .83rem;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  transition: background .13s, color .13s;
}

.tab-btn:hover { background: var(--accent-light); color: var(--accent); }
.tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Scrollbar polish (webkit) ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* 顶部 Header 改成白色 */
.header {
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

/* 去掉蓝色装饰背景 */
.header::before,
.header::after {
  display: none;
}

/* 标题文字改深色 */
.header-title {
  color: var(--text);
}

/* 副标题改灰色 */
.subtitle {
  color: var(--text-muted);
}

/* 语言标签改灰色 */
.lang-label {
  color: var(--text-muted);
}

/* 语言按钮改成浅色 */
.lang-btn {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* hover 状态 */
.lang-btn:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent-border);
}

/* 当前选中的语言按钮 */
.lang-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* logo 不要蓝色阴影的话也可以去掉 */
.brand-logo {
  filter: none;
}

/* ── Header right area (auth badge + lang switch) ───────────────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

/* ── Auth badge (shown after login) ──────────────────────────────────────── */
.auth-badge {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding: .3rem .7rem .3rem .45rem;
  backdrop-filter: blur(6px);
}

.auth-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
}

.auth-user-name {
  color: rgba(255,255,255,.92);
  font-size: .82rem;
  font-weight: 600;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.auth-quota {
  font-size: .75rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 999px;
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
  white-space: nowrap;
}
.auth-quota.quota-warn {
  background: rgba(217,119,6,.35);
  color: #fde68a;
}
.auth-quota.quota-empty {
  background: rgba(220,38,38,.35);
  color: #fca5a5;
}

.auth-logout-btn {
  background: transparent !important;
  border-color: rgba(255,255,255,.3) !important;
  color: rgba(255,255,255,.8) !important;
  font-size: .75rem !important;
  padding: .2rem .6rem !important;
}
.auth-logout-btn:hover {
  background: rgba(255,255,255,.15) !important;
  color: #fff !important;
}

/* ── Auth overlay & modal ────────────────────────────────────────────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,20,50,.65);
  backdrop-filter: blur(8px);
  padding: 1rem;
}
.auth-overlay.hidden {
  display: none;
}

.auth-modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15,23,42,.06);
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  animation: authModalIn .22s cubic-bezier(.34,1.56,.64,1);
}

@keyframes authModalIn {
  from { opacity: 0; transform: scale(.94) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.auth-modal-header {
  background: linear-gradient(135deg, #0c1f3f 0%, #163472 55%, #0e265a 100%);
  padding: 1.6rem 1.75rem 1.3rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  position: relative;
  overflow: hidden;
}
.auth-modal-header::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.auth-logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
  position: relative;
  z-index: 1;
}

.auth-modal-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 750;
  color: #fff;
  letter-spacing: 0;
  position: relative;
  z-index: 1;
}

.auth-modal-subtitle {
  margin: 0;
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  position: relative;
  z-index: 1;
}

.auth-trial-strip {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .4rem;
  margin-top: .15rem;
}

.auth-trial-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: .18rem .55rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.10);
  color: rgba(255,255,255,.88);
  font-size: .73rem;
  font-weight: 700;
}

/* Tabs */
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: .75rem 1rem;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, box-shadow .15s;
  position: relative;
}
.auth-tab::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 20%; right: 20%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
  opacity: 0;
  transition: opacity .15s;
}
.auth-tab.active {
  color: var(--accent);
}
.auth-tab.active::after {
  opacity: 1;
}
.auth-tab:hover:not(.active) {
  color: var(--text);
}

/* Form panels */
.auth-form-panel {
  display: none;
  padding: 1.5rem 1.75rem 1.75rem;
  flex-direction: column;
  gap: 1rem;
}
.auth-form-panel.active {
  display: flex;
}

.auth-form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.auth-form-group label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
}
.auth-form-group input {
  height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0 .75rem;
  font-size: .9rem;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--surface-2);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.auth-form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
  background: #fff;
}

.auth-error {
  font-size: .82rem;
  color: var(--error);
  min-height: 1.2em;
  font-weight: 500;
}

.auth-submit-btn {
  width: 100%;
  height: 42px;
  font-size: .92rem;
  font-weight: 600;
  margin-top: .25rem;
}

.auth-hint {
  margin: 0;
  font-size: .78rem;
  color: var(--text-muted);
  text-align: center;
}

/* 修复白色 Header 上登录信息看不清 */
.auth-badge {
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.auth-user-name {
  color: var(--text);
}

.auth-quota {
  background: var(--accent-light);
  color: var(--accent);
}

.auth-logout-btn {
  background: var(--surface-2) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
}

.auth-logout-btn:hover {
  background: var(--accent-light) !important;
  color: var(--accent) !important;
  border-color: var(--accent-border) !important;
}

/* ── Run inline section (inside PDF input card) ─────────────────────────── */
.run-inline-section {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: .55rem;
}

.run-btn-large {
  width: 100%;
  height: 40px;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: 0;
}

/* ── Active project bar (Input sheet top) ───────────────────────────────── */
.active-project-bar {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  padding: .55rem 1rem;
  margin-bottom: 1rem;
  font-size: .875rem;
}
.active-project-bar-label {
  color: var(--text-muted);
}
.active-project-bar-name {
  color: var(--accent);
  font-weight: 600;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.active-project-switch-btn {
  flex-shrink: 0;
}

.no-active-project-bar {
  display: flex;
  align-items: center;
  gap: .75rem;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: .55rem 1rem;
  margin-bottom: 1rem;
  font-size: .875rem;
  color: var(--warning);
}
.no-active-project-bar.hidden {
  display: none;
}

/* ── Project panel ──────────────────────────────────────────────────────── */
.project-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.project-header-row h2 {
  margin: 0;
}

.project-create-form {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem 1.1rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.project-create-actions {
  display: flex;
  gap: .6rem;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.project-list-empty {
  color: var(--text-muted);
  font-size: .9rem;
  grid-column: 1 / -1;
  padding: .5rem 0;
}

.project-empty-state {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(0, 1.25fr);
  gap: 1rem;
  align-items: stretch;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #f8fbff 0%, #f7faf9 100%);
}

.project-empty-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .35rem;
  min-width: 0;
}

.project-empty-copy strong {
  font-size: 1rem;
  color: var(--text);
}

.project-empty-copy p {
  margin: 0;
  color: var(--text-muted);
  font-size: .86rem;
}

.onboarding-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.onboarding-steps li {
  display: flex;
  gap: .55rem;
  min-width: 0;
  padding: .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
}

.onboarding-step-index {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: .78rem;
  font-weight: 800;
}

.onboarding-steps strong {
  display: block;
  margin-bottom: .15rem;
  font-size: .84rem;
  color: var(--text);
}

.onboarding-steps p {
  margin: 0;
  color: var(--text-muted);
  font-size: .76rem;
  line-height: 1.45;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.2rem;
  background: var(--surface);
  transition: box-shadow .15s, border-color .15s;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  cursor: pointer;
}
.project-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--accent-border);
}
.project-card.active-project {
  border-color: var(--accent);
  background: var(--accent-light);
}
.project-card-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.project-card-desc {
  font-size: .82rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-height: 1.2em;
}
.project-card-meta {
  font-size: .78rem;
  color: var(--text-light);
  display: flex;
  gap: 1rem;
}
.project-card-actions {
  display: flex;
  gap: .5rem;
  margin-top: .25rem;
}

/* ── Task list ──────────────────────────────────────────────────────────── */
.project-tasks-name {
  color: var(--accent);
  font-weight: 700;
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.task-list-empty {
  color: var(--text-muted);
  font-size: .875rem;
}
.task-list-live-hint {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.task-list-live-hint:not(.hidden)::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
  animation: runningPulse 1.4s ease-in-out infinite;
  vertical-align: 0.08em;
}

.task-row--monitor {
  cursor: pointer;
}
.task-row--monitor:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.task-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  flex-wrap: wrap;
}
.task-row-filename {
  font-weight: 600;
  font-size: .875rem;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.task-row-meta {
  font-size: .78rem;
  color: var(--text-muted);
  flex-shrink: 0;
}
.task-row-actions {
  display: flex;
  gap: .4rem;
  flex-shrink: 0;
}

.task-delete-btn {
  color: #b42318;
  border-color: #fecaca;
  background: #fff7f7;
}
.task-delete-btn:hover {
  color: #991b1b;
  border-color: #fca5a5;
  background: #fee2e2;
}

/* Status badges */
.task-status-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .75rem;
  font-weight: 600;
  padding: .2rem .55rem;
  border-radius: 999px;
  flex-shrink: 0;
}
.task-status-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.task-status-pending  { background: #f1f5f9; color: #64748b; }
.task-status-running  { background: #eff6ff; color: var(--accent); animation: runningPulse 1.4s ease-in-out infinite; }
.task-status-completed { background: var(--success-light); color: var(--success); }
.task-status-failed   { background: var(--error-light); color: var(--error); }

@keyframes runningPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .55; }
}

/* Task-bound result directory (read-only display) */
.result-dir-input[readonly] {
  background: var(--surface-muted, #f1f5f9);
  color: var(--text-muted, #64748b);
  cursor: default;
}
.form-row.auto-result-dir-row .task-output-dir-hint {
  margin: -0.15rem 0 0.4rem 0;
  font-size: 0.82rem;
}

/* ============================================================
   BioMiner UI refresh
   A quieter workbench layout for long-running extraction tasks.
   ============================================================ */
:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #eef3f7;
  --border: #dce3ea;
  --border-strong: #b8c4d0;

  --text: #18212f;
  --text-muted: #5f6f82;
  --text-light: #8a97a8;

  --accent: #0f766e;
  --accent-hover: #0b5f59;
  --accent-light: #e8f5f3;
  --accent-border: #a8d8d2;
  --cyan: #2563eb;
  --cyan-light: #eef4ff;

  --success: #15803d;
  --success-light: #ecfdf3;
  --warning: #b45309;
  --error: #c2410c;
  --error-light: #fff1ed;

  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;
  --radius-xl: 8px;

  --font-sans: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Cascadia Mono", "Consolas", "SFMono-Regular", monospace;

  --shadow-xs: 0 1px 2px rgba(24, 33, 47, .04);
  --shadow-sm: 0 1px 2px rgba(24, 33, 47, .05);
  --shadow: 0 8px 20px rgba(24, 33, 47, .08);
  --shadow-lg: 0 18px 48px rgba(24, 33, 47, .18);
}

* {
  letter-spacing: 0 !important;
}

body {
  background:
    linear-gradient(180deg, #ffffff 0, var(--bg) 18rem),
    var(--bg);
  color: var(--text);
  font-size: 14px;
}

.layout {
  width: min(100%, 1480px);
  max-width: none;
  padding: 1rem 1.25rem 1.75rem;
  gap: .8rem;
}

.header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 0;
  padding: .8rem 1rem;
  overflow: visible;
}

.header-brand {
  gap: .75rem;
  min-width: min(100%, 22rem);
}

.header-logo-badge {
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f8fbfd;
}

.brand-logo {
  max-width: 36px;
  max-height: 36px;
  height: auto;
}

.header-title {
  color: var(--text);
  font-size: 1.28rem;
  font-weight: 700;
}

.subtitle {
  color: var(--text-muted);
  font-size: .86rem;
}

.header-right {
  gap: .75rem;
}

.auth-badge,
.lang-switch {
  min-height: 36px;
}

.auth-badge {
  background: #f8fbfd;
  border-color: var(--border);
  border-radius: var(--radius);
  padding: .25rem .45rem;
}

.auth-avatar {
  background: var(--accent);
}

.auth-user-name {
  color: var(--text);
}

.auth-quota {
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.auth-logout-btn {
  background: #ffffff !important;
  border-color: var(--border) !important;
  color: var(--text-muted) !important;
}

.lang-switch {
  gap: .25rem;
  background: #f8fbfd;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .25rem;
}

.lang-label {
  padding: 0 .4rem;
  color: var(--text-muted);
}

.lang-btn {
  min-width: 3.8rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
  box-shadow: none;
}

.lang-btn:hover,
.lang-btn.active {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--border);
}

.sheet-tabs {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  flex-wrap: nowrap;
  gap: .25rem;
  margin: 0;
  padding: .45rem;
  overflow-x: auto;
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.sheet-tab {
  border-radius: var(--radius);
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  color: var(--text-muted);
  font-size: .84rem;
  padding: .48rem .72rem;
}

.sheet-tab:hover {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
}

.sheet-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  box-shadow: none;
}

.sheet-tabs:not(.workflow-nav-visible),
.sheet-tabs.workflow-nav-hidden {
  display: none;
}

.sheet-tabs.workflow-nav-visible {
  display: flex;
}

.sheet-tabs.workflow-nav-visible .sheet-tab[data-sheet="results"] {
  order: -1;
}

.sheet-tabs.workflow-nav-visible .sheet-tab[data-sheet="activityGivenStructure"] {
  display: none;
}

.sheet-tabs.workflow-nav-visible .workflow-back-btn {
  order: 20;
  margin-left: auto;
}

.sheet-tabs.workflow-nav-visible .sheet-tab[data-sheet="projects"],
.sheet-tabs.workflow-nav-visible .sheet-tab[data-sheet="run"] {
  display: none;
}

.workflow-back-btn {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  font-weight: 700;
  border-radius: 8px;
  padding: .55rem .85rem;
  cursor: pointer;
}

.workflow-back-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

#detectionDocSelect,
#markushDocSelect,
#markushPartDocSelect,
#activityDocFilterRow,
#activityDocPageRow,
#givenStructureDocFilterRow,
#resultsDocFilterRow {
  display: none !important;
}

#detectionPageSelect,
#markushPageSelect,
#markushPartPageSelect {
  max-width: 260px;
  min-width: 8.5rem;
}

.sheet-panel {
  gap: .9rem;
  padding-bottom: .5rem;
}

.card {
  border-radius: var(--radius-lg);
  border-color: var(--border);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: #cbd6df;
}

.card h2 {
  color: var(--text);
  font-size: .98rem;
  font-weight: 700;
  margin-bottom: .85rem;
}

.card h2::before {
  width: 4px;
  height: 1rem;
  background: var(--accent);
  border-radius: 2px;
}

.row-input {
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: .9rem;
}

.row-input.history-task-mode {
  grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
}

.card-pdf-input.history-task-mode h2,
.card-pdf-input.history-task-mode > .form-row,
.card-pdf-input.history-task-mode #btnRun {
  display: none !important;
}

.card-pdf-input.history-task-mode {
  align-self: start;
}

.card-pdf-input.history-task-mode .run-inline-section {
  margin-top: 0;
}

.form-row {
  margin-bottom: .75rem;
}

.form-row label,
.auth-form-group label,
.detection-info-label,
.markush-coref-label,
.given-structure-given-smiles-head {
  color: var(--text-muted);
  font-size: .78rem;
  font-weight: 700;
  text-transform: none;
}

.form-row input[type="text"],
.form-row input[type="password"],
.form-row select,
.auth-form-group input,
.detection-ketcher-col .detection-ketcher-input,
.markush-json--editable {
  background: #ffffff;
  border-color: var(--border-strong);
  border-radius: var(--radius);
}

.form-row input[type="text"],
.form-row input[type="password"],
.form-row select {
  min-height: 38px;
}

.form-row input[type="text"]:focus,
.form-row input[type="password"]:focus,
.form-row select:focus,
.auth-form-group input:focus,
.markush-json--editable:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, .14);
}

.input-group {
  align-items: stretch;
}

.btn {
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: .85rem;
  font-weight: 650;
  box-shadow: none;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  box-shadow: none;
}

.btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: none;
  transform: none;
}

.btn.secondary,
.btn.small {
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn.secondary:hover,
.btn.small:hover,
.tab-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent-border);
  color: var(--accent-hover);
}

.run-btn-large {
  height: 42px;
}

.hint {
  background: #f7faf9;
  border-color: var(--border);
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.active-project-bar,
.no-active-project-bar,
.results-summary {
  border-radius: var(--radius-lg);
  padding: .65rem .8rem;
}

.active-project-bar,
.results-summary {
  background: var(--accent-light);
  border-color: var(--accent-border);
  color: var(--accent-hover);
}

.no-active-project-bar {
  background: #fff8ed;
  border-color: #f2d3a7;
  color: var(--warning);
}

.preview-panel,
.pdf-preview-wrap,
.detection-two-col,
.table-wrap,
.markush-table-wrap,
.ketcher-iframe-wrap,
.given-structure-given-smiles,
.given-structure-ketcher-overlay {
  border-radius: var(--radius-lg);
}

.pdf-preview-wrap,
.detection-two-col,
.page-image-img,
.ketcher-iframe-wrap {
  background: #f8fafc;
  border-color: var(--border);
}

.pdf-preview-placeholder,
.page-image-placeholder,
.results-table-empty-hint,
.detection-placeholder,
.markush-placeholder:not(.hidden) {
  color: var(--text-light);
}

.log-output {
  background: #101820;
  border-color: #253241;
  border-radius: var(--radius-lg);
  color: #d7dee7;
  max-height: 300px;
}

.table-wrap,
.markush-table-wrap {
  box-shadow: none;
}

.results-table,
.markush-table {
  font-size: .82rem;
}

.results-table th,
.markush-table th {
  background: #f3f6f8;
  color: #536273;
  font-size: .76rem;
  border-bottom: 1px solid var(--border);
  text-transform: none;
}

.results-table td,
.markush-table td {
  background: #ffffff;
}

.results-table tbody tr:nth-child(even) td {
  background: #fbfcfd;
}

.results-table tbody tr:hover td,
.markush-table tbody tr:hover td {
  background: var(--accent-light);
}

.project-header-row {
  margin-bottom: .85rem;
}

.project-detail-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}

.project-detail-hint {
  margin: -.25rem 0 .9rem;
  color: var(--text-muted);
  font-size: .86rem;
}

.project-list {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: .75rem;
}

.project-card,
.task-row,
.project-create-form,
.detection-bbox-row,
.given-structure-pdb-id,
.given-structure-pdb-title,
.given-structure-given-smiles-figure {
  border-radius: var(--radius-lg);
}

.project-card {
  background: #ffffff;
  padding: .9rem;
}

.project-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow);
}

.project-card.active-project {
  background: var(--accent-light);
  border-color: var(--accent);
}

.project-card-meta {
  color: var(--text-muted);
}

.task-row {
  background: #ffffff;
  padding: .65rem .8rem;
}

.task-status-badge {
  border-radius: var(--radius);
}

.run-progress-section {
  margin-top: 0;
}

.run-progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .75rem;
}

.run-progress-header h2 {
  margin: 0;
}

.run-progress-percent {
  font-family: var(--font-mono);
  font-size: .9rem;
  font-weight: 700;
  color: var(--accent);
  padding: .18rem .5rem;
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
}

.run-progress-track {
  height: 10px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.run-progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, #2563eb 100%);
  border-radius: inherit;
  transition: width .35s ease;
}

.run-progress-stage-row {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin-top: .65rem;
  flex-wrap: wrap;
}

.run-progress-stage {
  color: var(--text);
}

.run-progress-detail {
  color: var(--text-muted);
  font-size: .86rem;
}

.run-stage-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: .5rem;
  margin: .9rem 0 0;
  padding: 0;
  list-style: none;
}

.run-stage-item {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: .38rem;
  padding: .46rem .55rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: .8rem;
}

.run-stage-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--border-strong);
}

.run-stage-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.run-stage-item.active {
  background: var(--accent-light);
  border-color: var(--accent-border);
  color: var(--accent-hover);
  font-weight: 700;
}

.run-stage-item.active .run-stage-dot {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, .12);
}

.run-stage-item.done {
  color: var(--success);
  border-color: #b9e5c8;
  background: var(--success-light);
}

.run-stage-item.done .run-stage-dot {
  background: var(--success);
}

.detection-two-col {
  background: #ffffff;
}

.zoom-toolbar {
  background: rgba(255, 255, 255, .96);
}

.detection-info-col {
  padding: .75rem;
  border-left: 1px solid var(--border);
}

.detection-bbox-row {
  background: #ffffff;
}

.detection-bbox-row.selected {
  background: var(--accent-light);
  border-color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.markush-json,
.markush-json--editable {
  background: #fbfcfd;
}

.tab-btn {
  border-radius: var(--radius);
  background: #ffffff;
  border-color: var(--border);
}

.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.footer {
  margin-top: .75rem;
  padding-top: .75rem;
}

.auth-overlay {
  background: rgba(24, 33, 47, .58);
}

.auth-modal {
  border-radius: var(--radius-lg);
}

.auth-modal-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem 1rem;
}

.auth-modal-header::before {
  display: none;
}

.auth-modal-title {
  color: var(--text);
}

.auth-modal-subtitle {
  color: var(--text-muted);
}

.auth-trial-strip span {
  border-color: var(--accent-border);
  background: var(--accent-light);
  color: var(--accent-hover);
}

.auth-tabs {
  background: #f8fafc;
  padding: .25rem;
  border-bottom-color: var(--border);
}

.auth-tab {
  border-radius: var(--radius);
}

.auth-tab::after {
  display: none;
}

.auth-tab.active {
  background: #ffffff;
  color: var(--accent);
  box-shadow: var(--shadow-xs);
}

.auth-form-panel {
  padding: 1.25rem 1.5rem 1.5rem;
}

@media (max-width: 900px) {
  .layout {
    padding: .75rem;
  }

  .header {
    align-items: flex-start;
  }

  .header-right,
  .lang-switch,
  .auth-badge {
    width: 100%;
  }

  .lang-switch,
  .auth-badge {
    justify-content: flex-start;
  }

  .sheet-tabs {
    border-radius: var(--radius);
  }

  .row-input,
  .sheet-image-result-row,
  #activityTextImageResultRow,
  #activityImageImageResultRow,
  #markushImageResultRow,
  #markushPartImageResultRow,
  #givenStructureImageResultRow {
    grid-template-columns: 1fr !important;
  }

  .input-group,
  .project-header-row,
  .project-detail-actions,
  .active-project-bar,
  .no-active-project-bar,
  .task-row {
    align-items: stretch;
    flex-direction: column;
  }

  .input-group .btn,
  .project-header-row .btn,
  .active-project-bar .btn,
  .no-active-project-bar .btn {
    width: 100%;
  }

  .detection-info-col {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .run-stage-list {
    grid-template-columns: 1fr 1fr;
  }

  .project-empty-state {
    grid-template-columns: 1fr;
  }

  .onboarding-steps {
    grid-template-columns: 1fr;
  }
}


/* 修复右上角登录信息在浅色 header 下看不清的问题 */
.auth-badge {
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

/* 用户名：不要用白色 */
.auth-user-name {
  color: var(--text);
}

/* 剩余次数：浅底深字，始终可读 */
.auth-quota {
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

/* 次数较少 */
.auth-quota.quota-warn {
  background: #fff7ed;
  color: #b45309;
  border-color: #fed7aa;
}

/* 次数为 0 */
.auth-quota.quota-empty {
  background: var(--error-light);
  color: var(--error);
  border-color: #fdba74;
}

/* 退出按钮也改成浅色体系 */
.auth-logout-btn {
  background: var(--surface-2) !important;
  color: var(--text-muted) !important;
  border: 1px solid var(--border) !important;
}

.auth-logout-btn:hover {
  background: var(--error-light) !important;
  color: var(--error) !important;
  border-color: #fdba74 !important;
}

/* Compact sheet descriptions: keep the guidance near the heading instead of
   spending a full bordered row at the top of every result sheet. */
.sheet-panel > .card > h2 {
  display: inline-flex;
  align-items: center;
  margin-right: 0.8rem;
  margin-bottom: 0.55rem;
  vertical-align: baseline;
}

.sheet-panel > .card > h2 + .hint:not(.task-output-dir-hint) {
  display: inline;
  margin: 0 0 0.55rem;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.sheet-panel > .card > h2 + .hint:not(.task-output-dir-hint)::before {
  display: none;
}

.sheet-panel > .card > h2 + .hint:not(.task-output-dir-hint)::after {
  content: "";
  display: block;
  height: 0.35rem;
}

.form-row.auto-result-dir-row {
  margin-top: 0.25rem;
}

.form-row.auto-result-dir-row label {
  display: inline-flex;
  align-items: center;
  margin: 0 0.55rem 0.35rem 0;
}

.form-row.auto-result-dir-row .task-output-dir-hint {
  display: none;
  margin: 0 0 0.35rem;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.form-row.auto-result-dir-row .task-output-dir-hint::before {
  display: none;
}

#sheetActivityGivenStructure .auto-result-dir-row,
#sheetResults .auto-result-dir-row {
  display: none;
}

/* Run page layout: keep task controls/progress in the left rail and give the
   PDF viewer enough vertical space to read the document comfortably. */
#sheetRun .row-input {
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  align-items: start;
  gap: 1rem;
}

#sheetRun .row-input.history-task-mode {
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
}

#sheetRun .card-pdf-input {
  display: flex;
  flex-direction: column;
  padding: 0.95rem;
}

#sheetRun .card-pdf-input > h2 {
  display: none;
}

#sheetRun .pdf-path-row.hidden {
  display: none !important;
}

#sheetRun .preview-pdf-row.hidden {
  display: none !important;
}

#sheetRun .upload-pdf-row {
  margin-bottom: 0.55rem;
}

#sheetRun .upload-pdf-row > label {
  margin-bottom: 0.4rem;
  color: var(--text);
  font-size: 0.84rem;
}

#sheetRun .file-input-custom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 0.45rem;
  padding: 0.55rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #f8fafc;
}

#sheetRun .file-input-fake-btn {
  min-height: 2.35rem;
  padding-inline: 0.6rem;
  justify-content: center;
}

#sheetRun .file-input-status {
  grid-column: 1 / -1;
  min-height: 1.1rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

#sheetRun #btnPreviewPdf {
  width: 100%;
}

#sheetRun .card-pdf-preview {
  height: clamp(560px, calc(100vh - 290px), 780px);
  min-height: 560px;
  padding: 0.65rem;
}

#sheetRun .row-input.history-task-mode .card-pdf-preview {
  height: clamp(620px, calc(100vh - 245px), 840px);
  min-height: 620px;
}

#sheetRun .preview-panel,
#sheetRun .pdf-preview-wrap {
  height: 100%;
  min-height: 0;
}

#sheetRun .pdf-preview-iframe {
  height: 100%;
  min-height: 0;
}

#sheetRun .run-progress-section {
  margin-top: 0.8rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

#sheetRun .upload-progress-box {
  margin-top: 0.65rem;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f8fafc;
}

#sheetRun .upload-progress-box.hidden {
  display: none;
}

#sheetRun .upload-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 700;
  font-size: 0.8rem;
}

#sheetRun .upload-progress-head strong {
  color: var(--accent);
  font-family: var(--font-mono);
}

#sheetRun .upload-progress-track {
  height: 6px;
  margin-top: 0.4rem;
  overflow: hidden;
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  background: #e8f7f3;
}

#sheetRun .upload-progress-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, #2dd4bf 100%);
  transition: width 0.18s ease;
}

#sheetRun .upload-progress-detail {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#sheetRun .run-progress-header h2 {
  font-size: 0.86rem;
}

#sheetRun .run-progress-track {
  height: 6px;
}

#sheetRun .run-progress-stage-row {
  align-items: flex-start;
  flex-direction: column;
  gap: 0.15rem;
}

#sheetRun .run-stage-list {
  grid-template-columns: 1fr;
  gap: 0.32rem;
}

#sheetRun .run-stage-item {
  padding: 0.38rem 0.5rem;
}

@media (max-width: 900px) {
  #sheetRun .row-input,
  #sheetRun .row-input.history-task-mode {
    grid-template-columns: 1fr;
  }

  #sheetRun .card-pdf-preview,
  #sheetRun .row-input.history-task-mode .card-pdf-preview {
    height: 560px;
    min-height: 520px;
  }

  #sheetRun .run-stage-list {
    grid-template-columns: 1fr 1fr;
  }
}

/* Result sheet sizing: the analysis sheets should feel like one stable
   workspace, so switching tabs does not make the page jump vertically. */
:root {
  --result-sheet-min-height: clamp(680px, calc(100vh - 220px), 920px);
  --result-sheet-work-height: clamp(560px, calc(100vh - 335px), 780px);
}

#sheetDetection > .card,
#sheetMarkushFull > .card,
#sheetMarkushPart > .card,
#sheetActivity > .card,
#sheetActivityImage > .card,
#sheetActivityGivenStructure > .card,
#sheetResults > .card {
  min-height: var(--result-sheet-min-height);
  display: flex;
  flex-direction: column;
}

#sheetDetection .detection-two-col:not(.hidden),
#markushImageResultRow:not(.hidden),
#markushPartImageResultRow:not(.hidden),
#activityTextImageResultRow:not(.hidden),
#activityImageImageResultRow:not(.hidden),
#givenStructureImageResultRow:not(.hidden) {
  flex: 1 1 auto;
  min-height: var(--result-sheet-work-height);
  height: var(--result-sheet-work-height);
  max-height: var(--result-sheet-work-height);
}

#sheetDetection .detection-two-col.is-ketcher-open:not(.hidden) {
  min-height: 700px;
  height: auto;
  max-height: none;
  overflow: visible;
}

#markushImageResultRow .sheet-image-col,
#markushPartImageResultRow .sheet-image-col,
#activityTextImageResultRow .sheet-image-col,
#activityImageImageResultRow .sheet-image-col,
#givenStructureImageResultRow .sheet-image-col,
#markushImageResultRow .page-image-viz-wrap,
#markushPartImageResultRow .page-image-viz-wrap,
#activityTextImageResultRow .page-image-viz-wrap,
#activityImageImageResultRow .page-image-viz-wrap,
#givenStructureImageResultRow .page-image-viz-wrap,
#markushImageResultRow .page-image-viz-wrap .page-image-scroll,
#markushPartImageResultRow .page-image-viz-wrap .page-image-scroll,
#activityTextImageResultRow .page-image-viz-wrap .page-image-scroll,
#activityImageImageResultRow .page-image-viz-wrap .page-image-scroll,
#givenStructureImageResultRow .page-image-viz-wrap .page-image-scroll {
  max-height: none !important;
}

#markushImageResultRow .sheet-result-col,
#markushPartImageResultRow .sheet-result-col,
#activityTextImageResultRow .sheet-result-col,
#activityImageImageResultRow .sheet-result-col,
#givenStructureImageResultRow .sheet-result-col {
  min-height: 0;
  height: 100%;
  max-height: none;
}

#markushImageResultRow .pdf-preview-iframe,
#markushPartImageResultRow .pdf-preview-iframe,
#activityTextImageResultRow .pdf-preview-iframe,
#activityImageImageResultRow .pdf-preview-iframe,
#givenStructureImageResultRow .pdf-preview-iframe {
  min-height: 0;
}

#sheetResults > .card > .table-wrap {
  flex: 1 1 auto;
  min-height: var(--result-sheet-work-height);
  overflow: auto;
}

#activityTextImageResultRow .sheet-image-col,
#activityImageImageResultRow .sheet-image-col {
  height: 100%;
  min-height: 0;
  display: flex;
}

#activityTextImageResultRow .sheet-image-col .page-image-wrap.activity-doc-pdf-wrap,
#activityImageImageResultRow .sheet-image-col .page-image-wrap.activity-doc-pdf-wrap {
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#activityTextImageResultRow .page-image-viz-wrap,
#activityImageImageResultRow .page-image-viz-wrap {
  flex: 1 1 auto;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

#activityTextImageResultRow .page-image-viz-wrap .page-image-scroll,
#activityImageImageResultRow .page-image-viz-wrap .page-image-scroll {
  flex: 1 1 auto;
  height: 100%;
  min-height: 0;
  overflow: auto;
}

#activityTextImageResultRow .pdf-preview-iframe,
#activityImageImageResultRow .pdf-preview-iframe {
  height: 100%;
  min-height: 100%;
}

@media (max-width: 900px) {
  #sheetDetection > .card,
  #sheetMarkushFull > .card,
  #sheetMarkushPart > .card,
  #sheetActivity > .card,
  #sheetActivityImage > .card,
  #sheetActivityGivenStructure > .card,
  #sheetResults > .card {
    min-height: 0;
  }

  #sheetDetection .detection-two-col:not(.hidden),
  #markushImageResultRow:not(.hidden),
  #markushPartImageResultRow:not(.hidden),
  #activityTextImageResultRow:not(.hidden),
  #activityImageImageResultRow:not(.hidden),
  #givenStructureImageResultRow:not(.hidden) {
    height: auto;
    max-height: none;
    min-height: 0;
  }
}

/* Unified loading feedback for result sheets. */
@keyframes biominerSheetSpin {
  to {
    transform: rotate(360deg);
  }
}

.results-summary[data-loading="true"],
.detection-placeholder[data-loading="true"],
.markush-placeholder[data-loading="true"],
.page-image-placeholder[data-loading="true"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 2.4rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
}

.results-summary[data-loading="true"]::before,
.detection-placeholder[data-loading="true"]::before,
.markush-placeholder[data-loading="true"]::before,
.page-image-placeholder[data-loading="true"]::before {
  content: "";
  width: 1rem;
  height: 1rem;
  flex: 0 0 1rem;
  border: 2px solid rgba(15, 118, 110, 0.2);
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: biominerSheetSpin 0.75s linear infinite;
}

.detection-placeholder[data-loading="true"],
.markush-placeholder[data-loading="true"],
.page-image-placeholder[data-loading="true"] {
  align-self: center;
  margin: 1.25rem auto;
}

#sheetRun .extraction-mode-row {
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  margin-top: 0.55rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
}

#sheetRun .extraction-mode-row > label {
  margin: 0;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.25;
}

#sheetRun .mode-select-wrap {
  position: relative;
}

#sheetRun .mode-select-wrap::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0.85rem;
  width: 0.48rem;
  height: 0.48rem;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  pointer-events: none;
  transform: translateY(-66%) rotate(45deg);
}

#sheetRun .mode-select {
  width: 100%;
  min-height: 2.45rem;
  padding: 0 2.25rem 0 0.72rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

#sheetRun .mode-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

#sheetRun .mode-select option:disabled {
  color: var(--text-light);
}

#sheetRun .generic-query-row {
  margin-top: 0.55rem;
}

#sheetRun .generic-query-row label {
  margin-bottom: 0.4rem;
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.25;
}

#sheetRun .generic-query-row textarea {
  width: 100%;
  resize: vertical;
  min-height: 5.2rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.62rem 0.72rem;
  font: inherit;
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--text);
  background: var(--surface);
}

#sheetRun .generic-query-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, .14);
}

#sheetRun .generic-query-row .hint {
  margin-top: 0.45rem;
  line-height: 1.45;
}

.generic-results-panel {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.generic-results-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.generic-results-head h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

@media (max-width: 700px) {
  .generic-results-head {
    display: grid;
  }
}