/* SciCode Task Reviewer — ReasonCore brand styling
   ---------------------------------------------------
   Palette and typography lifted directly from reasoncore.ai so the reviewer
   feels like a seamless extension of the website. */

:root {
  /* Warm ReasonCore palette */
  --cream:       #FAF7F0;
  --beige:       #F5F2ED;
  --line:        #E0DBD2;
  --line-soft:   #ECE6DA;
  --card:        #FFFFFF;
  --espresso:    #2A2622;
  --cocoa:       #3D3630;
  --stone:       #57534E;
  --stone-light: #A8A29E;
  --mint:        #77C58A;
  --mint-dark:   #4F9F66;
  --mint-soft:   #E8F4EC;
  --amber:       #D97706;
  --red:         #B91C1C;
  --red-soft:    #FBEAEA;
  --green:       #2E7D32;
  --green-soft:  #E6F2E6;
  --blue:        #2E6FB0;
  --blue-soft:   #EEF4FC;

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--espresso);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 28px; }

/* -----------------------------------------------------------------------
   Top bar (matches reasoncore.ai look)
   ----------------------------------------------------------------------- */
.topbar {
  background: var(--cream);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 14px 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--espresso);
}
.brand-mark { width: 28px; height: 28px; display: block; }
.brand-word { font-size: 17px; font-weight: 400; letter-spacing: -0.01em; }
.brand-word strong { font-weight: 700; color: var(--mint-dark); }
.topbar-sub {
  color: var(--stone); font-size: 12.5px; font-weight: 400;
  text-align: right;
}

/* -----------------------------------------------------------------------
   Compact drop zone
   ----------------------------------------------------------------------- */
.dropzone {
  margin: 22px auto 6px;
  max-width: 640px;
  background: var(--card);
  border: 1.5px dashed var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.dropzone:hover,
.dropzone.drag {
  border-color: var(--mint);
  background: var(--mint-soft);
}
.dz-inner {
  display: flex; align-items: center; gap: 14px;
  text-align: left;
}
.dz-icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--mint-soft);
  color: var(--mint-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.dropzone:hover .dz-icon,
.dropzone.drag .dz-icon {
  background: var(--card);
  color: var(--mint-dark);
}
.dz-copy { display: flex; flex-direction: column; gap: 1px; }
.dz-title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--espresso);
}
.dz-title code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  background: var(--beige);
  border: 1px solid var(--line-soft);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--cocoa);
}
.dz-hint {
  margin: 0;
  font-size: 12.5px;
  color: var(--stone);
}
.link {
  background: none; border: 0; padding: 0;
  color: var(--mint-dark);
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.link:hover { color: var(--espresso); }

/* -----------------------------------------------------------------------
   Status bar
   ----------------------------------------------------------------------- */
.status {
  margin: 14px 0;
  padding: 10px 14px;
  border-radius: 9px;
  font-size: 13px;
  background: var(--beige);
  border: 1px solid var(--line);
  color: var(--cocoa);
}
.status.run { background: var(--blue-soft); border-color: #CFE0F4; color: var(--blue); }
.status.err { background: var(--red-soft); border-color: #E7C3C7; color: var(--red); }

/* -----------------------------------------------------------------------
   Report bar
   ----------------------------------------------------------------------- */
.report-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  margin: 18px 0 12px;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.rb-info { font-size: 13px; color: var(--cocoa); }
.rb-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.rb-btn {
  font-family: var(--font-sans);
  font-size: 12.5px; font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--espresso); color: var(--card);
  cursor: pointer; transition: filter .12s ease;
}
.rb-btn:hover { filter: brightness(1.15); }
.rb-btn.ghost { background: transparent; color: var(--espresso); border-color: var(--line); }
.rb-btn.ghost:hover { background: var(--beige); filter: none; }
.rb-btn.danger.ghost { color: var(--red); border-color: #E7C3C7; }
.rb-btn.danger.ghost:hover { background: var(--red-soft); }
.rb-btn:disabled { opacity: .55; cursor: default; }

/* -----------------------------------------------------------------------
   Three-column layout
   ----------------------------------------------------------------------- */
.three-col {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  gap: 20px;
  margin: 10px 0 32px;
}
@media (max-width: 1080px) {
  .three-col { grid-template-columns: 1fr; }
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  min-height: 480px;
}
.panel-left, .panel-right { padding: 14px 16px; }
.panel-mid { padding: 22px 24px; }
.panel-cap {
  font-size: 11px; font-weight: 700;
  color: var(--stone); letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.nb-count { color: var(--stone-light); font-weight: 500; margin-left: 4px; }

/* -----------------------------------------------------------------------
   Carry-over (left)
   ----------------------------------------------------------------------- */
.dep-title { margin: 0 0 4px; font-size: 14px; color: var(--espresso); }
.dep-hint { margin: 0 0 14px; font-size: 11.5px; color: var(--stone); }
.dep-graph { overflow: visible; }
.dep-empty { color: var(--stone); font-size: 12px; padding: 8px 0; }
.dep-legend { margin-top: 12px; }
.lg-row { font-size: 11px; color: var(--cocoa); padding: 4px 0; line-height: 1.45; }
.lg-row code { font-family: var(--font-mono); font-size: 10.5px; color: var(--mint-dark); }
.lg-step { font-weight: 700; color: var(--mint-dark); margin-right: 4px; }

/* -----------------------------------------------------------------------
   Notebook list (right)
   ----------------------------------------------------------------------- */
.nb-list { display: flex; flex-direction: column; gap: 8px; }
.nb-item {
  border: 1px solid var(--line); border-radius: 9px;
  padding: 10px 12px; cursor: pointer;
  background: var(--card);
  transition: border-color .15s, background .15s;
}
.nb-item:hover { border-color: var(--mint); background: var(--mint-soft); }
.nb-item.active { border-color: var(--mint-dark); background: var(--mint-soft); box-shadow: inset 3px 0 0 var(--mint-dark); }
.nb-item.running { border-color: #CFE0F4; }
.nb-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.nb-name { font-size: 13px; font-weight: 600; color: var(--espresso); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nb-sub { font-size: 11.5px; color: var(--stone); margin-top: 4px; }
.nb-err { font-size: 11px; color: var(--red); margin-top: 4px; font-family: var(--font-mono); word-break: break-word; }
.nb-empty { color: var(--stone); font-size: 12.5px; padding: 8px 2px; }
.from-log { color: var(--mint-dark); font-style: italic; }

.chip {
  font-size: 10px; font-weight: 700; padding: 3px 9px;
  border-radius: 14px; white-space: nowrap; flex-shrink: 0;
  letter-spacing: 0.04em;
}
.chip.pending { background: var(--beige); color: var(--stone); }
.chip.running { background: var(--blue-soft); color: var(--blue); }
.chip.pass    { background: var(--green-soft); color: var(--green); }
.chip.fail    { background: var(--red-soft); color: var(--red); }
.chip.err     { background: var(--red-soft); color: var(--red); }

/* -----------------------------------------------------------------------
   Middle panel — task header
   ----------------------------------------------------------------------- */
.conv-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--mint-soft);
  border: 1px solid #CCE6D4;
  border-radius: 9px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--mint-dark);
  margin-bottom: 14px;
}
.conv-banner strong { color: var(--cocoa); }
.dl-btn {
  font-family: var(--font-sans); font-size: 11.5px; font-weight: 600;
  color: var(--card); background: var(--mint-dark);
  border: 0; border-radius: 6px; padding: 5px 10px; cursor: pointer;
}
.dl-btn:hover { background: var(--espresso); }

.task-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px;
  margin-bottom: 14px;
}
.label {
  font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mint-dark); font-weight: 700;
}
.task-head h2 { font-size: 22px; margin: 4px 0 4px; color: var(--espresso); letter-spacing: -0.01em; }
.meta { font-size: 12.5px; color: var(--stone); }
.big-badge {
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  padding: 7px 12px; border-radius: 999px; white-space: nowrap;
}
.big-badge.pass { background: var(--green-soft); color: var(--green); }
.big-badge.fail { background: var(--red-soft);   color: var(--red); }

.pipeline { display: flex; gap: 10px; margin: 12px 0 18px; }
.pnode {
  flex: 1; padding: 10px 12px;
  border-radius: 9px; border: 1px solid var(--line);
  background: var(--beige);
}
.pnode.ok  { border-color: #CCE6D4; background: var(--green-soft); }
.pnode.bad { border-color: #E7C3C7; background: var(--red-soft); }
.pn-t { font-size: 10px; font-weight: 700; color: var(--stone); letter-spacing: 0.06em; text-transform: uppercase; }
.pn-v { font-size: 15px; font-weight: 700; color: var(--espresso); margin-top: 2px; }

.section-title {
  font-size: 13px; color: var(--stone); font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  margin: 22px 0 8px;
}
#mainCard, .card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; margin: 8px 0;
}
.card.sub-card.collapsed .tests,
.card.sub-card.collapsed .gates,
.card.sub-card.collapsed .reasons { display: none; }
.sub-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; cursor: pointer; }
.sub-title { font-size: 14px; font-weight: 600; color: var(--espresso); }
.chev { font-size: 11px; color: var(--stone); margin-left: 4px; }
.sub-desc { font-size: 12px; color: var(--stone); margin-top: 3px; line-height: 1.5; }
.co-tag { font-size: 10px; background: var(--beige); border: 1px solid var(--line); padding: 1px 6px; border-radius: 4px; color: var(--cocoa); margin-left: 4px; }

.badge { font-size: 10px; font-weight: 700; padding: 4px 9px; border-radius: 999px; letter-spacing: 0.04em; }
.badge.pass { background: var(--green-soft); color: var(--green); }
.badge.fail { background: var(--red-soft); color: var(--red); }

.gates { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.gate { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: var(--beige); }
.g-t { font-size: 12px; font-weight: 600; color: var(--cocoa); display: flex; align-items: center; gap: 6px; }
.g-d { font-size: 11px; color: var(--stone); margin-top: 4px; line-height: 1.5; }
.mark { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.mark.ok  { background: var(--mint-dark); }
.mark.bad { background: var(--red); }

.tests { margin-top: 10px; display: flex; flex-direction: column; gap: 5px; }
.trow { display: flex; gap: 8px; align-items: center; font-size: 11.5px; }
.tpill {
  display: inline-block; font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 999px; letter-spacing: 0.04em;
}
.tpill.pass { background: var(--green-soft); color: var(--green); }
.tpill.fail { background: var(--red-soft); color: var(--red); }
.tname { font-family: var(--font-mono); font-size: 11px; color: var(--cocoa); }
.treason { color: var(--stone); font-size: 11px; line-height: 1.4; }
.kind {
  font-size: 9.5px; padding: 1px 6px; border-radius: 999px;
  margin-left: 6px; font-weight: 700; background: var(--beige); color: var(--cocoa);
}
.kind.assertion { background: var(--red-soft); color: var(--red); }
.kind.error     { background: #FFF4E5; color: var(--amber); }
.kind.syntax    { background: #FFF4E5; color: var(--amber); }
.kind.timeout   { background: var(--beige); color: var(--cocoa); }

.reasons { margin: 10px 0 0 22px; font-size: 11.5px; color: var(--stone); }
.reasons li { margin-bottom: 3px; line-height: 1.4; }

.mid-empty { color: var(--stone); padding: 60px 16px; text-align: center; font-size: 13px; }

/* -----------------------------------------------------------------------
   Quality review block
   ----------------------------------------------------------------------- */
.quality-block {
  margin-top: 22px; padding-top: 14px;
  border-top: 2px solid var(--line);
}
.quality-head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.q-sub { font-size: 12px; color: var(--stone); font-weight: 400; }
.q-actions { display: flex; gap: 8px; align-items: center; }
.q-btn {
  background: var(--mint-dark); color: var(--card);
  border: 0; border-radius: 8px;
  padding: 9px 15px; font-size: 12.5px; font-weight: 600;
  cursor: pointer; white-space: nowrap;
}
.q-btn:hover { filter: brightness(1.1); }
.q-btn:disabled { opacity: .55; cursor: default; }
.q-btn.ghost {
  background: transparent; color: var(--espresso);
  border: 1px solid var(--line);
}
.q-btn.ghost:hover { background: var(--beige); filter: none; }

.q-status { margin: 12px 0; padding: 10px 14px; border-radius: 9px; font-size: 12.5px; }
.q-status.run { background: var(--blue-soft); color: var(--blue); border: 1px solid #CFE0F4; }
.q-status.err { background: var(--red-soft); color: var(--red); border: 1px solid #E7C3C7; }

.q-overall {
  display: flex; align-items: center; gap: 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin: 12px 0 14px;
}
.q-score-big { font-size: 38px; font-weight: 700; line-height: 1; }
.q-of { font-size: 16px; color: var(--stone); }
.q-overall-meta { display: flex; flex-direction: column; gap: 4px; }
.q-overall-label { font-size: 11px; color: var(--stone); letter-spacing: 0.08em; text-transform: uppercase; }
.q-block { font-size: 11px; color: var(--red); margin-top: 2px; }
.q-model { font-size: 10.5px; color: var(--stone); margin-top: 4px; }

.q-aspects { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-top: 8px; }
.q-aspect { padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); }
.q-asp-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.q-asp-title { font-size: 12.5px; font-weight: 600; color: var(--espresso); }
.q-asp-score { font-size: 14px; font-weight: 700; }
.q-asp-bar { height: 5px; border-radius: 3px; background: var(--line); overflow: hidden; margin: 6px 0; }
.q-asp-fill { height: 100%; }
.q-asp-rat  { font-size: 11px; color: var(--stone); margin-top: 4px; line-height: 1.5; }
.q-asp-issues { font-size: 11px; color: var(--cocoa); margin: 4px 0 0 14px; padding: 0; }
.q-asp-blocking { color: var(--red); font-weight: 700; font-size: 10px; margin-left: 6px; }
.q-asp-remed {
  font-size: 11px; color: var(--mint-dark);
  background: var(--mint-soft); border: 1px solid #CCE6D4;
  border-radius: 6px; padding: 5px 8px; margin-top: 6px;
}
.q-asp-remed::before {
  content: "Suggestion · ";
  font-weight: 700; color: var(--mint-dark);
  letter-spacing: 0.04em; font-size: 10px; text-transform: uppercase;
}

/* -----------------------------------------------------------------------
   Rubric drawer (slide-in from the right)
   ----------------------------------------------------------------------- */
/* The author rule for .drawer must NOT set `display` unconditionally — it has
   the same specificity as the user-agent [hidden] rule and would override the
   default `display:none` for hidden elements, leaving the drawer permanently
   visible (and intercepting clicks behind its mask). */
.drawer[hidden] { display: none !important; }
.drawer {
  position: fixed; inset: 0; z-index: 200;
  display: flex; justify-content: flex-end;
}
.drawer-mask {
  position: absolute; inset: 0;
  background: rgba(42, 38, 34, 0.36);
  backdrop-filter: blur(2px);
}
.drawer-panel {
  position: relative;
  background: var(--cream);
  width: min(560px, 100%);
  max-width: 92vw;
  display: flex; flex-direction: column;
  box-shadow: -16px 0 40px rgba(42, 38, 34, 0.18);
  animation: slideIn .22s ease-out;
}
@keyframes slideIn {
  from { transform: translateX(24px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
.drawer-head {
  padding: 18px 22px 12px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 14px;
}
.drawer-eyebrow {
  font-size: 10px; letter-spacing: 0.1em;
  font-weight: 700; color: var(--mint-dark);
  text-transform: uppercase; margin-bottom: 2px;
}
.drawer-title { margin: 0 0 4px; font-size: 18px; color: var(--espresso); letter-spacing: -0.01em; }
.drawer-sub { margin: 0; font-size: 12.5px; color: var(--stone); line-height: 1.5; }
.icon-btn {
  background: transparent; border: 1px solid var(--line);
  color: var(--stone);
  border-radius: 7px; cursor: pointer;
  width: 30px; height: 30px;
  font-size: 14px; line-height: 1;
}
.icon-btn:hover { background: var(--beige); color: var(--espresso); }

.drawer-actions {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 12px 22px; border-bottom: 1px solid var(--line);
  background: var(--beige);
}
.ru-mini {
  font-family: var(--font-sans);
  font-size: 11.5px; font-weight: 600;
  padding: 6px 10px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--mint-dark);
  background: var(--mint-dark); color: var(--card);
}
.ru-mini.ghost { background: transparent; color: var(--espresso); border-color: var(--line); }
.ru-mini:hover { filter: brightness(1.08); }
.ru-mini.ghost:hover { background: var(--card); filter: none; }
.ru-tally {
  margin-left: auto;
  font-size: 11.5px; color: var(--stone);
}
.ru-tally span { font-weight: 700; color: var(--espresso); }

.rubric-list {
  flex: 1; overflow-y: auto;
  padding: 8px 14px 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.rubric-row {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  transition: border-color .15s, background .15s;
}
.rubric-row.disabled { background: var(--beige); opacity: .72; }
.rubric-row.edited { border-color: var(--mint); background: var(--mint-soft); }
.rubric-head {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  user-select: none;
}
.rubric-toggle {
  width: 16px; height: 16px;
  accent-color: var(--mint-dark);
  cursor: pointer;
  flex-shrink: 0;
}
.rubric-title { font-size: 13.5px; font-weight: 600; color: var(--espresso); flex: 1; }
.rubric-aspect { font-family: var(--font-mono); font-size: 10.5px; color: var(--stone); }
.rubric-edit-btn {
  background: transparent; border: 0; cursor: pointer;
  color: var(--mint-dark); font-size: 12px; font-weight: 600;
  padding: 2px 6px; border-radius: 6px;
}
.rubric-edit-btn:hover { background: var(--mint-soft); }
.rubric-body { margin-top: 10px; display: flex; flex-direction: column; gap: 10px; }
.rubric-field { display: flex; flex-direction: column; gap: 4px; }
.rubric-field label {
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 700; color: var(--stone);
}
.rubric-field textarea,
.rubric-field input[type=number] {
  font-family: var(--font-sans);
  font-size: 12px; line-height: 1.5; color: var(--cocoa);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 10px;
  resize: vertical;
}
.rubric-field textarea:focus,
.rubric-field input:focus {
  outline: 2px solid var(--mint); outline-offset: 1px;
}
.rubric-field-row { display: grid; grid-template-columns: 1fr 100px; gap: 8px; align-items: end; }
.rubric-edited-flag { font-size: 9.5px; color: var(--mint-dark); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-left: 6px; }

.drawer-foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  background: var(--cream);
}

/* -----------------------------------------------------------------------
   Header tabs (SciCode | HLE)
   ----------------------------------------------------------------------- */
.tabs { display: flex; gap: 4px; margin-left: 18px; }
.tab {
  font-family: var(--font-sans);
  font-size: 13.5px; font-weight: 600;
  color: var(--stone);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 6px 16px; cursor: pointer;
  transition: background .15s, color .15s;
}
.tab:hover { background: var(--beige); color: var(--espresso); }
.tab.active {
  background: var(--mint-soft);
  color: var(--mint-dark);
  border-color: #CCE6D4;
}
/* The `hidden` attribute MUST win over this rule, otherwise both tab views
   render at once (same specificity as the UA [hidden] rule, and the author
   rule would otherwise take precedence by source order). */
.tab-view[hidden] { display: none !important; }
.tab-view { display: block; }
.topbar-inner { gap: 16px; }
.topbar-inner .topbar-sub { margin-left: auto; }

/* -----------------------------------------------------------------------
   HLE view
   ----------------------------------------------------------------------- */
.hle-intro { margin: 18px 0 8px; }
.hle-lead { margin: 0; font-size: 13px; color: var(--stone); }
.hle-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  margin: 8px 0 32px;
  align-items: start;
}
@media (max-width: 1000px) { .hle-grid { grid-template-columns: 1fr; } }
.hle-left, .hle-right { padding: 18px 20px; min-height: 520px; }

.hle-form { display: flex; flex-direction: column; gap: 14px; margin-top: 4px; }
.hle-field { display: flex; flex-direction: column; gap: 5px; }
.hle-field label {
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  font-weight: 700; color: var(--stone);
}
.hle-field label .req { color: var(--mint-dark); font-size: 9.5px; margin-left: 6px; letter-spacing: 0.04em; }
.hle-field label .opt { color: var(--stone-light); font-size: 9.5px; margin-left: 6px; letter-spacing: 0.04em; }
.hle-field textarea,
.hle-field input[type=text] {
  font-family: var(--font-sans);
  font-size: 13px; line-height: 1.55; color: var(--cocoa);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 12px;
  resize: vertical;
}
.hle-field textarea:focus,
.hle-field input:focus { outline: 2px solid var(--mint); outline-offset: 1px; }
.hle-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hle-form-actions { display: flex; gap: 10px; margin-top: 4px; }

.hle-rendered-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 14px;
  margin-bottom: 6px;
}
.hle-rendered-head h2 { font-size: 18px; margin: 4px 0; color: var(--espresso); }
.hle-question-body {
  font-size: 13.5px; line-height: 1.6; color: var(--cocoa);
  white-space: pre-wrap; word-wrap: break-word;
  background: var(--beige); border: 1px solid var(--line);
  border-radius: 9px; padding: 12px 14px;
}
.hle-gt {
  margin-top: 14px;
  background: var(--mint-soft); border: 1px solid #CCE6D4;
  border-radius: 9px; padding: 10px 14px;
  font-size: 12.5px; color: var(--cocoa);
}
.hle-gt .gt-label { font-weight: 700; color: var(--mint-dark); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.hle-gt code { font-family: var(--font-mono); font-size: 12px; }
.hle-ideal {
  margin-top: 14px;
  font-size: 12.5px; line-height: 1.55; color: var(--stone);
  white-space: pre-wrap; word-wrap: break-word;
  border-left: 3px solid var(--line); padding: 4px 0 4px 12px;
}
.hle-right-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 10px;
}

/* -----------------------------------------------------------------------
   HLE inputs (CSV dropzone + paste toggle) + item list
   ----------------------------------------------------------------------- */
.hle-inputs {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin: 20px 0 6px;
}
.hle-dropzone { margin: 0; flex: 1; max-width: 640px; }
.hle-form-wrap { margin: 12px 0 6px; padding: 16px 18px; }
.hle-form-wrap .hle-form { margin-top: 0; }

.hle-left-head, .hle-right-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 10px;
}
.hle-batch-actions { display: flex; gap: 8px; }

.hle-item-list {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 14px;
  max-height: 220px; overflow-y: auto;
  border: 1px solid var(--line); border-radius: 10px; padding: 6px;
  background: var(--beige);
}
.hle-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 10px; cursor: pointer; background: var(--card);
  transition: border-color .15s, background .15s;
}
.hle-item:hover { border-color: var(--mint); background: var(--mint-soft); }
.hle-item.active { border-color: var(--mint-dark); background: var(--mint-soft); box-shadow: inset 3px 0 0 var(--mint-dark); }
.hle-item-name { font-size: 12.5px; font-weight: 600; color: var(--espresso); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* KaTeX sizing inside the question body */
.hle-question-body .katex { font-size: 1.04em; }
.hle-gt .katex, .hle-ideal .katex { font-size: 1em; }
.hle-question-body { white-space: normal; }   /* allow KaTeX inline layout */

/* -----------------------------------------------------------------------
   Sign-in page + signed-in chrome
   ----------------------------------------------------------------------- */
.topbar-user { display: flex; align-items: center; gap: 10px; }
.topbar-username {
  font-size: 12.5px; font-weight: 600; color: var(--cocoa);
  background: var(--beige); border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 999px;
}
.topbar-signout {
  font-size: 12.5px; font-weight: 600; color: var(--mint-dark);
  text-decoration: none; padding: 4px 6px;
}
.topbar-signout:hover { color: var(--espresso); text-decoration: underline; }

.login-wrap {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px; padding: 24px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 30px 30px 26px;
  box-shadow: 0 6px 30px rgba(42, 38, 34, 0.08);
}
.login-brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--espresso); margin-bottom: 18px;
}
.login-mark { width: 30px; height: 30px; }
.login-title { margin: 6px 0 2px; font-size: 22px; color: var(--espresso); letter-spacing: -0.01em; }
.login-sub { margin: 0 0 18px; font-size: 13px; color: var(--stone); }
.login-error {
  background: var(--red-soft); border: 1px solid #E7C3C7; color: var(--red);
  font-size: 12.5px; border-radius: 9px; padding: 9px 12px; margin-bottom: 14px;
}
.login-form { display: flex; flex-direction: column; gap: 6px; }
.login-form label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--stone); margin-top: 8px;
}
.login-form input {
  font-family: var(--font-sans); font-size: 14px; color: var(--cocoa);
  background: var(--card); border: 1px solid var(--line);
  border-radius: 9px; padding: 10px 12px;
}
.login-form input:focus { outline: 2px solid var(--mint); outline-offset: 1px; }
.login-btn {
  margin-top: 18px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 600;
  color: var(--card); background: var(--mint-dark);
  border: 0; border-radius: 9px; padding: 11px 14px; cursor: pointer;
}
.login-btn:hover { filter: brightness(1.08); }
.login-foot { font-size: 11.5px; color: var(--stone-light); }

/* -----------------------------------------------------------------------
   Activity log tab
   ----------------------------------------------------------------------- */
.activity-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin: 22px 0 12px;
}
.activity-title { margin: 0 0 2px; font-size: 20px; color: var(--espresso); letter-spacing: -0.01em; }
.activity-sub { margin: 0; font-size: 12.5px; color: var(--stone); }
.activity-actions { display: flex; gap: 8px; align-items: center; }
.activity-search {
  font-family: var(--font-sans); font-size: 13px; color: var(--cocoa);
  background: var(--card); border: 1px solid var(--line);
  border-radius: 9px; padding: 8px 12px; min-width: 280px;
}
.activity-search:focus { outline: 2px solid var(--mint); outline-offset: 1px; }

.activity-table-wrap {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; margin-bottom: 32px;
}
.activity-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.activity-table thead th {
  text-align: left; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  font-weight: 700; color: var(--stone);
  background: var(--beige); padding: 10px 14px;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
.activity-table tbody td {
  padding: 9px 14px; border-bottom: 1px solid var(--line-soft);
  color: var(--cocoa); vertical-align: top;
}
.activity-table tbody tr:last-child td { border-bottom: 0; }
.activity-table tbody tr:hover { background: var(--mint-soft); }
.activity-user { font-weight: 600; color: var(--espresso); }
.activity-time { color: var(--stone); white-space: nowrap; font-variant-numeric: tabular-nums; }
.activity-detail { color: var(--cocoa); word-break: break-word; max-width: 420px; }
.activity-empty { color: var(--stone); text-align: center; padding: 24px; font-size: 13px; }

.act-tab, .act-type {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 2px 9px; border-radius: 999px; white-space: nowrap;
}
.act-tab.scicode { background: var(--blue-soft); color: var(--blue); }
.act-tab.hle     { background: #F3EEFB; color: #6B4FA8; }
.act-tab.none    { background: var(--beige); color: var(--stone); }
.act-type.login            { background: var(--beige); color: var(--cocoa); }
.act-type.file_uploaded    { background: var(--green-soft); color: var(--green); }
.act-type.hle_question_pasted { background: #FFF4E5; color: var(--amber); }
.act-type.pdf_downloaded   { background: var(--mint-soft); color: var(--mint-dark); }

/* -----------------------------------------------------------------------
   Clear-log scope modal
   ----------------------------------------------------------------------- */
.modal[hidden] { display: none !important; }
.modal {
  position: fixed; inset: 0; z-index: 220;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.modal-mask {
  position: absolute; inset: 0;
  background: rgba(42, 38, 34, 0.36); backdrop-filter: blur(2px);
}
.modal-card {
  position: relative;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px 24px; width: min(440px, 100%);
  box-shadow: 0 12px 40px rgba(42, 38, 34, 0.18);
}
.modal-title { margin: 0 0 6px; font-size: 17px; color: var(--espresso); }
.modal-sub { margin: 0 0 18px; font-size: 13px; color: var(--stone); line-height: 1.5; }
.modal-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

.act-type.quality_review_run { background: var(--blue-soft); color: var(--blue); }
.act-type.notebook_rerun     { background: #FFF4E5; color: var(--amber); }
.act-type.report_generated   { background: #F3EEFB; color: #6B4FA8; }
.act-type.log_cleared        { background: var(--red-soft); color: var(--red); }
.act-tab.admin               { background: #EDE7FB; color: #5B3FA0; }
.act-type.admin_access_changed { background: #EDE7FB; color: #5B3FA0; }
.act-type.admin_user_created   { background: var(--green-soft); color: var(--green); }
.act-type.admin_user_deleted   { background: var(--red-soft); color: var(--red); }

.activity-ip  { font-variant-numeric: tabular-nums; color: var(--cocoa); white-space: nowrap; }
.activity-loc { color: var(--stone); }

/* -----------------------------------------------------------------------
   Activity pagination
   ----------------------------------------------------------------------- */
.activity-pager {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; margin: 14px 0 4px;
}
.activity-pageinfo { font-size: 12px; color: var(--stone); min-width: 110px; text-align: center; }

/* -----------------------------------------------------------------------
   Admin tab
   ----------------------------------------------------------------------- */
.admin-table tbody td { vertical-align: middle; }
.admin-cb { width: 16px; height: 16px; cursor: pointer; accent-color: var(--mint-dark); }
.admin-cb:disabled { cursor: not-allowed; opacity: 0.45; }
.admin-badge {
  display: inline-block; font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; padding: 1px 7px; border-radius: 999px;
  background: #EDE7FB; color: #5B3FA0; margin-left: 6px;
}
.admin-locked { font-size: 11px; color: var(--stone); font-style: italic; }

.admin-create {
  margin-top: 22px; padding: 18px 20px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
}
.admin-create-title { margin: 0 0 14px; font-size: 15px; color: var(--espresso); }
.admin-create-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.admin-create-row .activity-search { flex: 1 1 180px; min-width: 150px; }
.admin-check {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 13px; color: var(--cocoa); white-space: nowrap; cursor: pointer;
}
.admin-check input { width: 15px; height: 15px; accent-color: var(--mint-dark); cursor: pointer; }
.admin-create-hint { margin: 12px 0 0; font-size: 12px; color: var(--stone); line-height: 1.5; }
.admin-create-hint code {
  background: var(--beige); padding: 1px 5px; border-radius: 4px; font-size: 11px;
}
.ru-mini.danger { color: var(--red); border-color: #E7C3C7; }
.status.ok { background: var(--green-soft); border-color: #BFE3C8; color: var(--green); }