:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --border: #e3e6eb;
  --text: #1c2230;
  --muted: #667085;
  --accent: #3b5bdb;
  --accent-soft: #e8edff;
  --ok: #2b8a3e;
  --ok-soft: #e6f4ea;
  --warn: #b26a00;
  --warn-soft: #fff4e0;
  --err: #c92a2a;
  --err-soft: #fdecec;
  --ai: #7048e8;
  --ai-soft: #f0ebff;
  --sug: #fff3bf;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --serif: "Times New Roman", Georgia, serif;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c; --surface: #1a1f29; --surface-2: #222836; --border: #2e3545;
    --text: #e6e9ef; --muted: #98a2b3; --accent: #7c97ff; --accent-soft: #232c4d;
    --ok: #69db7c; --ok-soft: #1b3324; --warn: #ffc078; --warn-soft: #3a2c14;
    --err: #ff8787; --err-soft: #3b1d1d; --ai: #b197fc; --ai-soft: #2b2342; --sug: #4a4210;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 var(--sans); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.25; }
h2 { font-size: 20px; }
h3 { font-size: 15px; }
a { color: var(--accent); }

.topbar { height: 52px; display: flex; align-items: center; gap: 16px; padding: 0 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.logo { width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 12px; letter-spacing: .5px; }
.project-name { color: var(--muted); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top-actions { display: flex; gap: 6px; align-items: center; }
.save-state { color: var(--muted); font-size: 12px; margin-right: 6px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.on { background: var(--ai); }

.layout { display: grid; grid-template-columns: 236px 1fr; height: calc(100vh - 52px); }
.steps { background: var(--surface); border-right: 1px solid var(--border); padding: 12px 10px; overflow: auto; display: flex; flex-direction: column; gap: 2px; }
.step { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; cursor: pointer; border: 0; background: none; text-align: left; width: 100%; }
.step:hover { background: var(--surface-2); }
.step.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.step .n { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--border); display: grid; place-items: center; font-size: 11px; flex: none; }
.step.done .n { background: var(--ok); border-color: var(--ok); color: #fff; }
.step.active .n { border-color: var(--accent); }
.step[disabled] { opacity: .45; cursor: not-allowed; }
.progress-box { margin-top: 14px; padding: 12px; border-radius: var(--radius); background: var(--surface-2); font-size: 12.5px; display: grid; gap: 8px; }
.progress-box .row { display: flex; justify-content: space-between; gap: 8px; }
.bar { height: 6px; background: var(--border); border-radius: 4px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.bar.ok > i { background: var(--ok); }
.bar.over > i { background: var(--err); }

.view { overflow: auto; padding: 24px 28px 60px; }
.view.full { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--muted); max-width: 760px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); margin-bottom: 16px; }
.grid { display: grid; gap: 16px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .k { color: var(--muted); font-size: 12px; }
.stat .v { font-size: 22px; font-weight: 600; margin-top: 2px; }
.stat .s { color: var(--muted); font-size: 12px; }

.btn { border: 1px solid var(--border); background: var(--surface); padding: 6px 12px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.ghost { border-color: transparent; background: none; }
.btn.ghost:hover { background: var(--surface-2); }
.btn.ok { color: var(--ok); border-color: var(--ok); }
.btn.danger { color: var(--err); border-color: var(--err); }
.btn.ai { color: var(--ai); border-color: var(--ai); }
.btn.sm { padding: 3px 9px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btns { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 99px; font-size: 11.5px; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.ai { background: var(--ai-soft); color: var(--ai); }
.badge.acc { background: var(--accent-soft); color: var(--accent); }

input[type=text], input[type=number], input[type=password], select, textarea { border: 1px solid var(--border); background: var(--surface); border-radius: 8px; padding: 6px 10px; }
textarea { width: 100%; resize: vertical; min-height: 80px; line-height: 1.55; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
label.f { display: grid; gap: 4px; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
label.f > input, label.f > textarea, label.f > select { color: var(--text); font-size: 14px; }
.hint { color: var(--muted); font-size: 12.5px; }

table.t { width: 100%; border-collapse: collapse; font-size: 13px; }
table.t th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; border-bottom: 1px solid var(--border); padding: 6px 8px; }
table.t td { border-bottom: 1px solid var(--border); padding: 7px 8px; vertical-align: top; }
table.t tr:hover td { background: var(--surface-2); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.dropzone { border: 2px dashed var(--border); border-radius: 14px; padding: 48px 24px; text-align: center; background: var(--surface); cursor: pointer; transition: .15s; }
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .big { font-size: 17px; font-weight: 600; margin-bottom: 6px; }

/* Editor: o artigo com o aspeto do manuscrito (sempre em “papel” claro) */
.steps-sep { margin: 14px 10px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }
.editor { flex: 1; display: grid; grid-template-columns: 1fr 340px; min-height: 0; }
.paper-col { overflow: auto; padding: 24px 20px 80px; background: var(--surface-2); }
.paper { background: #fff; color: #111; max-width: 816px; margin: 0 auto 22px; padding: 64px 88px 56px; box-shadow: 0 1px 3px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.06); font: 16px/2 "Times New Roman", Times, serif; position: relative; }
.paper.tpl { font-family: Aptos, Calibri, "Segoe UI", sans-serif; font-size: 15px; }
.paper .rh { position: absolute; top: 24px; left: 88px; right: 88px; display: flex; justify-content: space-between; font-size: 13px; line-height: 1.4; }
.paper p { margin: 0; text-indent: .5in; }
.paper p.ni, .paper p.h1, .paper p.h2, .paper p.h3 { text-indent: 0; }
.paper p.c { text-align: center; }
.paper .h1 { text-align: center; font-weight: 700; }
.paper .h2 { font-weight: 700; }
.paper .h3 { font-weight: 700; font-style: italic; }
.paper p.ref { padding-left: .5in; text-indent: -.5in; }
.paper .ref-out { background: #fdecec; box-shadow: inset 3px 0 0 #c92a2a; }
.paper .placeholder { color: #8a8f98; font-style: italic; cursor: pointer; }
.paper .placeholder:hover { color: #3b5bdb; }
.paper .hint { color: #667085; font-size: 12px; }
.paper .s { cursor: pointer; border-radius: 2px; }
.paper .s:hover { background: #e8edff; }
.paper .s.sug { background: #fff3bf; }
.paper .s.sugterm { background: #e6f4ea; }
.paper .s.cut, .paper .tblwrap.cut { color: #c92a2a; text-decoration: line-through; opacity: .6; }
.paper .s.cur, .paper .tblwrap.cur { outline: 2px solid #f08c00; background: #fff3bf; }
.paper .s.sel { outline: 2px solid #3b5bdb; }
.paper .s.edited { box-shadow: inset 0 -2px 0 #2b8a3e; }
.paper del { color: #c92a2a; background: #fdecec; }
.paper ins { color: #2b8a3e; background: #e6f4ea; text-decoration: none; }
.paper .tblwrap { cursor: pointer; border-radius: 4px; }
.paper .tblwrap.sug { background: #fff8db; }
.paper table.apa { width: 100%; border-collapse: collapse; border-top: 1px solid #000; border-bottom: 1px solid #000; line-height: 1.5; font-size: .92em; margin: 4px 0; }
.paper table.apa tr:first-child td { border-bottom: 1px solid #000; }
.paper table.apa td { padding: 3px 6px; }
.side { overflow: auto; padding: 14px; background: var(--surface); border-left: 1px solid var(--border); }
.side .card { padding: 12px 14px; margin-bottom: 12px; box-shadow: none; }
.row-sb { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.sugbox .big { font-weight: 600; margin-top: 6px; }
.sugbox .why { margin: 4px 0 6px; font-size: 13px; }
.refrow { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 12.5px; }

/* Comparação */
.toolbar { display: flex; gap: 8px; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--surface); flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.compare { flex: 1; display: grid; grid-template-columns: 1fr 1fr 340px; min-height: 0; }
.col { overflow: auto; padding: 18px 24px 80px; border-right: 1px solid var(--border); }
.col-title { position: sticky; top: -18px; background: var(--bg); padding: 8px 0; margin: -18px 0 8px; z-index: 2; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); display: flex; justify-content: space-between; }
.doc { font-family: var(--serif); font-size: 15.5px; line-height: 1.7; }
.doc h4 { font-family: var(--sans); font-size: 13px; margin: 22px 0 6px; color: var(--accent); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.doc h4 .badge { font-weight: 400; }
.doc p { margin: 0 0 10px; text-indent: 1.6em; }
.doc .tbl { font-family: var(--sans); font-size: 12px; background: var(--surface-2); border-radius: 6px; padding: 8px; margin-bottom: 10px; white-space: pre-wrap; }
.s { border-radius: 3px; cursor: pointer; transition: background .1s; }
.s:hover { background: var(--accent-soft); }
.s.cut { text-decoration: line-through; color: var(--err); opacity: .55; }
.s.sug { background: var(--sug); }
.s.edited { box-shadow: inset 0 -2px 0 var(--ok); }
.s.sel { outline: 2px solid var(--accent); background: var(--accent-soft); }
.s.prot { }
.sec-off { opacity: .4; }
del { color: var(--err); background: var(--err-soft); text-decoration: line-through; }
ins { color: var(--ok); background: var(--ok-soft); text-decoration: none; }
.inspector { overflow: auto; padding: 16px; background: var(--surface); }
.inspector .quote { font-family: var(--serif); font-size: 14.5px; background: var(--surface-2); border-radius: 8px; padding: 10px 12px; margin: 8px 0; }
.origin { font-size: 12.5px; color: var(--muted); display: grid; gap: 2px; }
.sugcard { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin: 8px 0; }
.sugcard.ai { border-color: var(--ai); }
.sugcard .why { margin: 4px 0 8px; }
.kbd { font-family: ui-monospace, Consolas, monospace; font-size: 11px; border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; }

.issue { display: flex; gap: 10px; padding: 8px 10px; border-bottom: 1px solid var(--border); cursor: pointer; }
.issue:hover { background: var(--surface-2); }
.issue .lv { flex: none; }
.req { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; }
.req .ic { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; flex: none; margin-top: 2px; color: #fff; }
.req .ic.ok { background: var(--ok); }
.req .ic.no { background: var(--warn); }

.tu { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.tu .src { font-family: var(--serif); font-size: 14.5px; }
.tu textarea { font-family: var(--serif); font-size: 14.5px; min-height: 96px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { background: var(--accent-soft); color: var(--accent); border-radius: 99px; padding: 2px 10px; font-size: 12.5px; }
.chip button { border: 0; background: none; cursor: pointer; color: inherit; padding: 0 0 0 4px; }
.pick { display: flex; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border); font-family: var(--serif); }

.drawer { position: fixed; top: 52px; right: 0; bottom: 0; width: 420px; max-width: 100vw; background: var(--surface); border-left: 1px solid var(--border); box-shadow: -8px 0 24px rgba(0,0,0,.08); z-index: 30; display: flex; flex-direction: column; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.drawer-body { overflow: auto; padding: 8px 16px; flex: 1; }
.hist { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.hist .t { color: var(--muted); font-size: 11.5px; }

dialog { border: 1px solid var(--border); border-radius: 14px; padding: 0; background: var(--surface); color: var(--text); width: min(560px, 94vw); box-shadow: 0 20px 50px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(15, 20, 30, .45); }
dialog form { padding: 20px 22px; }
dialog .dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 9px 16px; border-radius: 8px; z-index: 50; font-size: 13px; max-width: 80vw; }
.notice { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.notice.ai { border-color: var(--ai); background: var(--ai-soft); }
.notice.warn { border-color: var(--warn); background: var(--warn-soft); }
.empty { color: var(--muted); padding: 30px; text-align: center; }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: sp 0.8s linear infinite; vertical-align: -2px; }
@keyframes sp { to { transform: rotate(360deg); } }

@media (max-width: 1100px) {
  .editor { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .side { max-height: 42vh; border-left: 0; border-top: 1px solid var(--border); }
  .paper { padding: 48px 28px; }
  .paper .rh { left: 28px; right: 28px; }
  .compare { grid-template-columns: 1fr 1fr; }
  .inspector { grid-column: 1 / -1; border-top: 1px solid var(--border); max-height: 40vh; }
}
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .steps { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .progress-box { display: none; }
  .compare { grid-template-columns: 1fr; }
  .tu { grid-template-columns: 1fr; }
  .view { padding: 16px; }
}