/* ============================================================
   奥科客户中心 — 序列比对工具共享样式
   Used by /static/sequence_align.html (3A) and
   /static/multialign.html (3B). Pairs with styles.css tokens.
   ============================================================ */

.align-page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 26px 22px 72px;
}

/* The global `input { width: 100% }` rule would otherwise let the invisible
   segmented-control radios size against the viewport and create a horizontal
   scrollbar. Giving the control a containing block keeps them contained. */
.align-page .segmented-control {
  position: relative;
}

/* --- Hero ---------------------------------------------------- */

.align-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--sp-5);
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(91, 184, 176, 0.16), transparent 55%),
    radial-gradient(120% 160% at 0% 0%, rgba(74, 144, 217, 0.14), transparent 52%),
    var(--panel);
  box-shadow: var(--shadow-sm);
}

.align-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 144, 217, 0.18), transparent 70%);
  pointer-events: none;
}

.align-hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.align-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--brand-strong);
  font-size: var(--fs-sm);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.align-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.align-hero h1 {
  margin: 10px 0 6px;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.01em;
}

.align-hero p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.align-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: var(--btn-md);
  padding: 0 var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  color: var(--brand-strong);
  background: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-md);
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.align-back:hover {
  background: #ffffff;
  border-color: var(--brand);
  transform: translateX(-2px);
}

/* --- Layout cards ------------------------------------------- */

.align-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--sp-4);
  align-items: start;
}

.align-card {
  padding: var(--sp-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}

.align-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.align-card-head h2 {
  margin: 0 0 4px;
  color: var(--brand-strong);
  font-size: var(--fs-lg);
}

.align-card-head p {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-md);
  line-height: 1.55;
}

.align-field {
  display: grid;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.align-field > span {
  color: var(--ink);
  font-size: var(--fs-md);
  font-weight: 700;
}

.align-field textarea,
.align-field input[type="text"],
.align-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: #fbfdff;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.align-field textarea {
  min-height: 168px;
  resize: vertical;
  font-family: "DejaVu Sans Mono", Consolas, "SFMono-Regular", monospace;
  font-size: var(--fs-md);
  line-height: 1.6;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.align-field textarea:focus,
.align-field input[type="text"]:focus,
.align-field select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.16);
}

.align-field-hint {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-2);
  color: var(--muted);
  font-size: var(--fs-sm);
}

.align-field-hint strong {
  color: var(--brand-strong);
}

.align-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.align-option {
  display: grid;
  gap: 6px;
}

.align-option > span {
  color: var(--muted);
  font-size: var(--fs-sm);
  font-weight: 700;
}

.align-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.align-file-input {
  display: none;
}

.align-file-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 18px;
  border: 1.5px dashed #c4d7ea;
  border-radius: var(--radius-md);
  color: var(--muted);
  background: linear-gradient(180deg, #fbfdff, #f4f9fe);
  font-size: var(--fs-md);
  text-align: center;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
}

.align-file-label:hover,
.align-file-label.dragging {
  border-color: var(--brand);
  background: #eef5fc;
}

.align-file-label strong {
  color: var(--brand-strong);
}

.align-file-label em {
  color: var(--accent);
  font-size: var(--fs-sm);
  font-style: normal;
}

/* --- Result summary ----------------------------------------- */

.align-results {
  margin-top: var(--sp-5);
}

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

.align-result-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-4);
  color: var(--brand-strong);
  font-size: var(--fs-xl);
}

.align-result-title::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(91, 184, 176, 0.18);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 14px 16px 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff, #f8fbfe);
}

.stat-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--brand);
}

.stat-card.accent::before {
  background: var(--accent);
}

.stat-card.warn::before {
  background: #d98a4a;
}

.stat-card.danger::before {
  background: #d1685f;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.stat-value {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}

.stat-value small {
  color: var(--muted);
  font-size: var(--fs-md);
  font-weight: 600;
}

/* --- Pairwise alignment viewer ------------------------------ */

.aln-shell {
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, #fbfdff, #f6faff);
}

.aln-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.aln-toolbar-note {
  color: var(--muted);
  font-size: var(--fs-sm);
}

.aln-scroll {
  overflow-x: auto;
  padding-bottom: 4px;
}

.aln-block {
  min-width: max-content;
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px dashed var(--line);
}

.aln-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.aln-block-head {
  display: flex;
  gap: var(--sp-3);
  margin-bottom: 6px;
  color: var(--muted);
  font-family: "DejaVu Sans Mono", Consolas, monospace;
  font-size: var(--fs-sm);
}

.aln-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.aln-row + .aln-row {
  margin-top: 4px;
}

.aln-row-label {
  flex: 0 0 58px;
  color: var(--muted);
  font-size: var(--fs-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: right;
}

.aln-cells {
  display: flex;
  white-space: nowrap;
}

.aln-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 21px;
  border-radius: 3px;
  color: var(--ink);
  font-family: "DejaVu Sans Mono", Consolas, monospace;
  font-size: var(--fs-md);
  font-weight: 700;
}

.aln-base.match {
  color: #1f5c96;
  background: rgba(74, 144, 217, 0.18);
}

.aln-base.mismatch {
  color: #a83b34;
  background: rgba(209, 104, 95, 0.22);
}

.aln-base.gap {
  color: #94a3b8;
  background: rgba(148, 163, 184, 0.18);
}

.aln-mid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 14px;
  color: #b7c6d6;
  font-family: "DejaVu Sans Mono", Consolas, monospace;
  font-size: var(--fs-md);
}

.aln-mid.hit {
  color: var(--brand);
}

.aln-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-3);
  color: var(--muted);
  font-size: var(--fs-sm);
}

.aln-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.aln-legend i {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  display: inline-block;
}

.aln-legend i.match {
  background: rgba(74, 144, 217, 0.28);
}

.aln-legend i.mismatch {
  background: rgba(209, 104, 95, 0.32);
}

.aln-legend i.gap {
  background: rgba(148, 163, 184, 0.28);
}

/* --- Batch result table ------------------------------------- */

.aln-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.aln-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-md);
}

.aln-table th,
.aln-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.aln-table th {
  color: var(--brand-strong);
  background: #f4f9fe;
  font-size: var(--fs-sm);
  font-weight: 800;
  letter-spacing: 0.03em;
}

.aln-table tbody tr {
  cursor: pointer;
  transition: background 140ms ease;
}

.aln-table tbody tr:hover {
  background: #f5faff;
}

.aln-table tbody tr.selected {
  background: rgba(74, 144, 217, 0.1);
  box-shadow: inset 3px 0 0 var(--brand);
}

.aln-table .num {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.aln-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: var(--radius-full);
  color: #ffffff;
  background: var(--brand);
  font-size: var(--fs-sm);
  font-weight: 800;
}

/* ============================================================
   Multi-align (3B)
   ============================================================ */

.mav-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 3px;
  margin-bottom: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #f7fafd;
}

.mav-tab {
  min-height: var(--btn-md);
  padding: 0 var(--sp-4);
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: transparent;
  font-size: var(--fs-md);
  font-weight: 800;
  cursor: pointer;
}

.mav-tab.active {
  color: #ffffff;
  background: var(--brand);
}

.mav-panel.hidden {
  display: none;
}

.mav-rows {
  display: grid;
  gap: var(--sp-2);
}

.mav-row-input {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 32px;
  gap: var(--sp-2);
  align-items: center;
}

.mav-row-input input,
.mav-row-input textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: #fbfdff;
}

.mav-row-input textarea {
  min-height: 40px;
  resize: vertical;
  font-family: "DejaVu Sans Mono", Consolas, monospace;
  font-size: var(--fs-md);
}

.mav-row-remove {
  width: 32px;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: #b4514a;
  background: #fff;
  cursor: pointer;
}

.mav-row-remove:hover {
  border-color: #e2b3af;
  background: #fdf4f3;
}

.mav-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin: var(--sp-3) 0;
  color: var(--muted);
  font-size: var(--fs-sm);
}

.mav-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mav-legend i {
  width: 15px;
  height: 15px;
  border-radius: 3px;
  display: inline-block;
}

.mav-legend i.i1 { background: #2f6db0; }
.mav-legend i.i2 { background: #9dc3e6; }
.mav-legend i.i3 { background: #eaf1f8; border: 1px solid var(--line); }

.mav-viewer {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fbfdff;
}

.mav-viewer-scroll {
  overflow-x: auto;
  padding: var(--sp-3);
}

.mav-grid {
  min-width: max-content;
  display: grid;
  gap: 3px;
}

.mav-line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mav-name {
  position: sticky;
  left: 0;
  z-index: 2;
  flex: 0 0 130px;
  max-width: 130px;
  overflow: hidden;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  color: var(--brand-strong);
  background: #eef5fc;
  font-size: var(--fs-sm);
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mav-name.consensus {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}

.mav-seq {
  display: flex;
  white-space: nowrap;
}

.mav-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 20px;
  border-radius: 2px;
  color: var(--ink);
  font-family: "DejaVu Sans Mono", Consolas, monospace;
  font-size: var(--fs-sm);
  font-weight: 700;
}

.mav-base.c3 {
  color: #1f5c96;
  background: rgba(74, 144, 217, 0.16);
}

.mav-base.c2 {
  color: #245f9e;
  background: #9dc3e6;
}

.mav-base.c1 {
  color: #ffffff;
  background: #2f6db0;
}

.mav-base.gap {
  color: #aebccb;
}

.mav-line.consensus-line {
  margin-top: 3px;
  padding-top: 6px;
  border-top: 1px dashed var(--line);
}

.mav-line.consensus-line .mav-base {
  background: transparent;
  color: #1f5c96;
}

.mav-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: 10px var(--sp-3);
  border-top: 1px solid var(--line);
  background: #f4f9fe;
  color: var(--muted);
  font-size: var(--fs-sm);
}

.mav-window-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mav-window-actions button {
  min-height: var(--btn-sm);
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--brand);
  background: #ffffff;
  font-size: var(--fs-sm);
  font-weight: 700;
  cursor: pointer;
}

.mav-window-actions button:disabled {
  color: #b7c6d6;
  cursor: not-allowed;
}

/* --- Shared feedback ---------------------------------------- */

.align-status {
  margin-top: var(--sp-3);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
  background: #f8fbfe;
  font-size: var(--fs-md);
  line-height: 1.55;
}

.align-status.error {
  border-color: #e6c3bf;
  color: #a83b34;
  background: #fdf4f3;
}

.align-status.busy {
  color: var(--brand-strong);
  background: #eef5fc;
}

.align-status.hidden {
  display: none;
}

.align-toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 50;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  color: #ffffff;
  background: rgba(47, 109, 176, 0.96);
  box-shadow: var(--shadow);
  font-size: var(--fs-md);
  font-weight: 700;
  opacity: 0;
  transform: translate(-50%, 12px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
}

.align-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.reveal {
  animation: align-reveal 320ms ease both;
}

@keyframes align-reveal {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .align-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 620px) {
  .align-page {
    padding: 18px 14px 56px;
  }

  .align-hero {
    padding: 20px 18px;
  }

  .mav-row-input {
    grid-template-columns: 110px minmax(0, 1fr) 32px;
  }
}