:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface-1: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --accent: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface-1: #1a1a19;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --accent: #3987e5;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text-primary);
  line-height: 1.5;
}
main { max-width: 960px; margin: 0 auto; padding: 1rem 1rem 4rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 1rem 0; }
h2 { font-size: 1.05rem; margin: 0 0 0.75rem; }
.muted { color: var(--muted); }
.error { color: #d03b3b; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.6rem 1rem; background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text-primary); }
.topbar nav { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center;
  margin-left: auto; }

/* panels & tiles */
.panel {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem; margin: 1rem 0;
}
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.tile {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.9rem 1rem;
}
.tile-value { font-size: 1.7rem; font-weight: 700; }
.tile-label { color: var(--text-secondary); font-size: 0.85rem; display: flex; align-items: center; gap: 0.4rem; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-included { background: var(--status-good); }
.dot-maybe { background: var(--status-warning); }
.dot-excluded { background: var(--muted); }
.dot-unscreened { background: var(--series-1); }

/* bar chart (single series, sequential blue) */
.bar-chart {
  display: flex; align-items: flex-end; gap: 6px;
  padding: 0.5rem 0 0; overflow-x: auto;
  border-bottom: 1px solid var(--baseline);
}
.bar-col { display: flex; flex-direction: column; align-items: center; min-width: 30px; }
.bar {
  width: 18px; min-height: 2px;
  background: var(--series-1);
  border-radius: 4px 4px 0 0;
}
.bar-col:hover .bar { opacity: 0.8; }
.bar-label { font-size: 0.7rem; color: var(--muted); margin-top: 4px; font-variant-numeric: tabular-nums; }

/* tables */
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th { text-align: left; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--grid); padding: 0.3rem 0.5rem; }
.table td { border-bottom: 1px solid var(--grid); padding: 0.4rem 0.5rem; vertical-align: top; }

/* forms */
input[type="text"], input[type="password"], input[type="number"], select {
  background: var(--page); color: var(--text-primary);
  border: 1px solid var(--baseline); border-radius: 7px;
  padding: 0.45rem 0.6rem; font: inherit;
}
button {
  font: inherit; border: 1px solid var(--baseline); border-radius: 7px;
  padding: 0.45rem 0.9rem; cursor: pointer;
  background: var(--surface-1); color: var(--text-primary);
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.55; cursor: default; }
.linkish { border: none; background: none; color: var(--accent); padding: 0; cursor: pointer; }
.linkish:hover { text-decoration: underline; }

.search-form label { display: block; margin: 0.6rem 0; }
.search-form input[type="text"] { width: 100%; }
.search-form fieldset { border: 1px solid var(--grid); border-radius: 8px; margin: 0.6rem 0; }
.search-form .inline { display: inline-block; margin-right: 1rem; }
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; margin: 1rem 0; }
.filter-bar input[type="text"] { flex: 1; min-width: 160px; }

/* login */
.login-body { display: grid; place-items: center; min-height: 100vh; background: var(--page); }
.login-card {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px;
  padding: 2rem; width: min(340px, 90vw); display: flex; flex-direction: column; gap: 0.8rem;
}
.login-card h1 { margin: 0; }
.login-card p { margin: 0; }

/* paper cards */
.paper-list { display: flex; flex-direction: column; gap: 0.75rem; }
.paper-card {
  background: var(--surface-1); border: 1px solid var(--border);
  border-left: 4px solid var(--baseline); border-radius: 10px; padding: 0.9rem 1rem;
}
.paper-card.status-included { border-left-color: var(--status-good); }
.paper-card.status-maybe { border-left-color: var(--status-warning); }
.paper-card.status-excluded { border-left-color: var(--muted); opacity: 0.75; }
.paper-head { display: flex; justify-content: space-between; gap: 0.75rem; align-items: baseline; }
.paper-head h3 { margin: 0; font-size: 1rem; flex: 1; }
.status-badge {
  font-size: 0.72rem; padding: 0.1rem 0.5rem; border-radius: 99px;
  border: 1px solid var(--baseline); color: var(--text-secondary); white-space: nowrap;
}
.badge-included { border-color: var(--status-good); color: var(--status-good); }
.badge-maybe { border-color: var(--status-warning); }
.badge-excluded { color: var(--muted); }
.paper-meta { color: var(--text-secondary); font-size: 0.88rem; margin: 0.3rem 0; }
.abstract { color: var(--text-secondary); font-size: 0.9rem; }
details summary { cursor: pointer; color: var(--accent); font-size: 0.88rem; }
/* Collapsed-by-default abstract pane on every paper card. */
.abstract-details { margin: 0.35rem 0; }
.abstract-details > summary { display: inline-flex; align-items: center; gap: 0.35rem;
  list-style: none; user-select: none; }
.abstract-details > summary::-webkit-details-marker { display: none; }
.abstract-details > summary::before { content: "▸"; font-size: 0.75rem; line-height: 1;
  transition: transform 0.15s; }
.abstract-details[open] > summary::before { transform: rotate(90deg); }
.abstract-details > summary:hover { text-decoration: underline; }
.abstract-details .abstract { margin: 0.35rem 0 0; padding-left: 0.9rem;
  border-left: 2px solid var(--border); }
.paper-links { font-size: 0.88rem; display: flex; gap: 1rem; flex-wrap: wrap; margin: 0.4rem 0; }
.oa { color: var(--status-good); }
.paper-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; margin-top: 0.5rem; }
.paper-actions form { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.note-form { flex: 1; min-width: 220px; }
.note-form input { flex: 1; }
.btn-include:hover { border-color: var(--status-good); }
.btn-exclude:hover { border-color: #d03b3b; }

.pager { display: flex; gap: 1rem; justify-content: center; margin: 1.5rem 0; }

/* projects */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0.9rem; margin-bottom: 1.2rem; }
.project-card { display: block; text-decoration: none; color: inherit; transition: border-color 0.15s; }
.project-card:hover { border-color: var(--accent); }
.project-card h2 { margin: 0 0 0.3rem; font-size: 1.1rem; }
.project-stats { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.5rem; }
.tiles a.tile { text-decoration: none; color: inherit; }
.btn-primary {
  display: inline-block; background: var(--accent); color: #fff; border: none;
  padding: 0.5rem 1rem; border-radius: 8px; text-decoration: none; cursor: pointer;
  font-size: 0.95rem;
}
.btn-primary:hover { filter: brightness(1.1); }

/* screening workflow */
.select-box { width: 1.15rem; height: 1.15rem; flex-shrink: 0; align-self: flex-start; margin-top: 0.2rem; }
.score-badge {
  font-size: 0.78rem; font-weight: 700; padding: 0.15rem 0.5rem; border-radius: 6px;
  background: var(--accent); color: #fff; white-space: nowrap; cursor: help;
}
.llm-reason { font-size: 0.85rem; margin: 0.2rem 0; }
.submit-bar { display: flex; gap: 1rem; align-items: center; justify-content: space-between;
  position: sticky; bottom: 0.5rem; margin-top: 0.9rem; }
.search-form textarea { width: 100%; font: inherit; padding: 0.5rem;
  background: var(--surface-2, var(--page)); color: inherit;
  border: 1px solid var(--border); border-radius: 8px; }

/* retrieval + annotation */
.retrieval-info { margin: 0.5rem 0; }
.annotate-form { display: flex; gap: 0.5rem; margin: 0.4rem 0; }
.annotate-form input { flex: 1; }
.annotation { border-top: 1px dashed var(--border); padding-top: 0.5rem; margin-top: 0.5rem; font-size: 0.9rem; }
.annotation p { margin: 0.2rem 0; }
.findings { margin: 0.4rem 0; padding-left: 1.2rem; }
.findings blockquote { margin: 0.3rem 0 0.1rem; font-style: italic; color: var(--text-secondary); }

/* stage navigation */
.stage-nav { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  margin: 0.4rem 0 1rem; }
.stage-step { display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.4rem 0.8rem; border: 1px solid var(--border); border-radius: 999px;
  color: var(--text-secondary); text-decoration: none; background: var(--surface-1); }
.stage-step:hover { border-color: var(--accent); color: var(--text-primary); }
.stage-step.active { border-color: var(--accent); color: var(--text-primary);
  box-shadow: inset 0 0 0 1px var(--accent); }
.step-num { display: inline-grid; place-items: center; width: 1.35rem; height: 1.35rem;
  border-radius: 50%; background: var(--grid); font-size: 0.8rem; font-weight: 600; }
.stage-step.active .step-num { background: var(--accent); color: #fff; }
.step-count { color: var(--muted); font-size: 0.85rem; }
.stage-arrow { color: var(--muted); }

/* search info */
.search-info p { margin: 0.2rem 0; }
.search-info code, .searches-table code { background: var(--grid); padding: 0.1rem 0.35rem; border-radius: 5px; }
.searches-table td { font-size: 0.88rem; }

/* research questions */
.rq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.rq-item { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
  padding: 0.6rem 0.75rem; border: 1px solid var(--border); border-radius: 8px;
  color: inherit; text-decoration: none; background: var(--page); }
.rq-item:hover { border-color: var(--accent); text-decoration: none; }
.rq-text { flex: 1; }
.rq-meta { display: flex; gap: 0.6rem; align-items: baseline; white-space: nowrap; }
.rq-badge-done { border-color: var(--status-good); color: var(--status-good); }
.rq-badge-failed { border-color: #d03b3b; color: #d03b3b; }
.rq-badge-queued, .rq-badge-searching, .rq-badge-ranking, .rq-badge-downloading,
.rq-badge-annotating, .rq-badge-synthesizing { border-color: var(--status-warning); }

.rq-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 1rem;
  align-items: start; }
@media (max-width: 980px) { .rq-layout { grid-template-columns: 1fr; } }
main:has(.rq-layout) { max-width: 1400px; }
.rq-question-panel h1 { margin-top: 0; }
.rq-question-actions { margin-top: 0.5rem; }
.rq-parsed { font-size: 0.85rem; }
.rq-status-running { border-color: var(--status-warning); }

/* answer editor */
.summary-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.summary-actions { display: flex; gap: 0.9rem; align-items: center; }
.summary-actions form { display: inline; }
.summary-editor { min-height: 8rem; padding: 0.75rem; border: 1px dashed transparent;
  border-radius: 8px; }
.summary-editor:hover { border-color: var(--grid); }
.summary-editor:focus { outline: none; border: 1px dashed var(--accent);
  background: var(--page); }
.summary-editor p { margin: 0 0 0.8rem; }
.summary-hint { font-size: 0.82rem; }
cite.cit { font-style: normal; color: var(--accent); cursor: pointer;
  border-bottom: 1px dotted var(--accent); white-space: nowrap; }
cite.cit:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
/* the cited passage no longer exists — must not read as a live citation */
cite.cit-missing { color: #d03b3b; border-bottom-style: dashed;
  border-bottom-color: #d03b3b; }
cite.cit-missing:hover { background: color-mix(in srgb, #d03b3b 12%, transparent); }
.reference-list { font-size: 0.88rem; color: var(--text-secondary); padding-left: 1.4rem; }
.reference-list li { margin: 0.35rem 0; }

/* citation hover popup */
.cit-popup { position: fixed; z-index: 50; width: min(370px, 90vw);
  background: var(--surface-1); border: 1px solid var(--accent); border-radius: 10px;
  padding: 0.7rem 0.85rem; font-size: 0.85rem; box-shadow: 0 6px 24px rgba(0,0,0,0.25);
  pointer-events: none; }
.cit-popup blockquote { margin: 0.35rem 0; font-style: italic; color: var(--text-secondary); }
.cit-popup p { margin: 0.2rem 0 0; color: var(--muted); }
.cit-popup .popup-warn { color: var(--status-warning); margin-top: 0.4rem; }

/* annotation sidebar */
.rq-side { position: sticky; top: 0.5rem; max-height: calc(100vh - 1rem);
  overflow-y: auto; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem; }
.rq-side h2 { margin-top: 0; }
.ann-group { margin: 0.9rem 0; }
.ann-paper { font-size: 0.82rem; margin: 0 0 0.4rem; }
.ann-card { background: var(--page); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.55rem 0.65rem; margin: 0.4rem 0; cursor: grab; font-size: 0.86rem; }
.ann-card:hover { border-color: var(--accent); }
.ann-card:active { cursor: grabbing; }
.ann-counts { font-size: 0.82rem; margin: 0 0 0.6rem; }
.ann-empty { font-size: 0.82rem; font-style: italic; margin: 0.2rem 0 0; }
.ann-card.ann-unlocated { border-left: 3px solid var(--status-warning); }
.ann-warn { color: var(--status-warning); font-size: 0.78rem; margin-top: 0.3rem; }
.ann-card h4 { margin: 0 0 0.25rem; font-size: 0.9rem; }
.ann-card blockquote { margin: 0 0 0.25rem; font-style: italic; color: var(--text-secondary);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ann-card p { margin: 0; font-size: 0.8rem; }

/* revise + upload forms */
.revise-form textarea { width: 100%; font: inherit; padding: 0.5rem;
  background: var(--page); color: inherit; border: 1px solid var(--border);
  border-radius: 8px; margin-bottom: 0.5rem; }
.htmx-indicator { display: none; margin-left: 0.6rem; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { display: inline; }
.failed-paper { border-top: 1px dashed var(--border); padding: 0.6rem 0; }
.failed-paper:first-of-type { border-top: none; }
.upload-form { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

/* annotation PDF viewer */
main.viewer-main { max-width: none; margin: 0; padding: 0; }
.viewer-layout { display: flex; height: calc(100vh - 53px); }
.viewer-side { width: 380px; min-width: 300px; overflow-y: auto;
  padding: 1rem; border-right: 1px solid var(--grid); background: var(--surface-1); }
.viewer-side h2 { font-size: 1.05rem; margin: 0.3rem 0 0.5rem; }
.viewer-question { font-size: 0.9rem; }
.viewer-pdf { flex: 1; height: 100%; border: none; background: var(--grid); }
.viewer-findings { list-style: none; margin: 0.6rem 0; padding: 0; display: grid; gap: 0.5rem; }
.finding-jump { display: block; width: 100%; text-align: left; font: inherit;
  font-size: 0.88rem; color: inherit; cursor: pointer;
  background: var(--page); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.55rem 0.65rem; }
.finding-jump:hover { border-color: var(--accent); }
.finding-jump blockquote { margin: 0 0 0.25rem; font-style: italic;
  color: var(--text-secondary); }
.viewer-downloads { margin-top: 0.8rem; }
@media (max-width: 800px) {
  .viewer-layout { flex-direction: column; height: auto; }
  .viewer-side { width: auto; min-width: 0; border-right: none;
    border-bottom: 1px solid var(--grid); max-height: 45vh; }
  .viewer-pdf { height: 80vh; }
}

/* journal quality + work type */
.journal-tier, .work-type {
  font-size: 0.72rem; padding: 0.05rem 0.4rem; border-radius: 99px;
  border: 1px solid var(--border); color: var(--text-secondary);
  white-space: nowrap; margin-left: 0.3rem;
}
.journal-tier.tier-3 { border-color: var(--status-good); color: var(--status-good); }
.journal-tier.tier-2 { border-color: var(--accent); color: var(--accent); }
.work-type { font-style: italic; }

/* project documents (meta-PDFs) */
.rq-badge-pending { border-color: var(--status-warning); }
.inline-form { display: inline-flex; align-items: center; gap: 0.5rem;
  margin-right: 0.8rem; }
.btn-danger { border-color: #d03b3b; color: #d03b3b; }
.doc-content { white-space: pre-wrap; word-wrap: break-word; max-height: 70vh;
  overflow-y: auto; font-size: 0.82rem; line-height: 1.5; background: var(--grid);
  padding: 0.8rem; border-radius: 6px; }

/* automated-run counter in the header */
.auto-counter {
  display: inline-flex; align-items: baseline; gap: 0.3rem;
  font-size: 0.78rem; color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: 99px;
  padding: 0.1rem 0.6rem; white-space: nowrap;
}
.auto-counter-key { text-transform: uppercase; letter-spacing: 0.04em;
  font-size: 0.68rem; opacity: 0.75; }
.auto-counter-hour { color: var(--text-primary); font-variant-numeric: tabular-nums; }
.auto-counter-full { color: var(--status-warning); font-weight: 600; }
.auto-counter-sep { opacity: 0.4; }
@media (max-width: 700px) {
  .auto-counter-unit { display: none; }
}