:root {
  --bg: #f4f5f9; --card: #ffffff; --text: #1b1f2e; --muted: #6b7185; --line: #e4e6ee; --soft: #f7f8fb;
  --accent: #3b4fd8; --accent-hover: #2f40b8; --accent-soft: #eceffd;
  --err: #d0342c; --err-soft: #fdeeed; --warn: #b8650a; --warn-soft: #fff4e5;
  --info: #4a5b80; --info-soft: #eef1f7; --ok: #1f8a4c; --ok-soft: #e7f6ed;
  --ins: #d9f2e1; --del: #fbe0de;
  --radius: 14px; --shadow: 0 1px 2px rgba(20, 24, 40, .04), 0 4px 16px rgba(20, 24, 40, .05);
  font-family: "Montserrat", -apple-system, "Segoe UI", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141b; --card: #1b1e28; --text: #e8eaf2; --muted: #9ba1b5; --line: #2b2f3d; --soft: #222634;
    --accent: #8295ff; --accent-hover: #9aa9ff; --accent-soft: #262c4a;
    --err: #ff7b72; --err-soft: #3a2224; --warn: #ffb867; --warn-soft: #3a2e1c;
    --info: #a9b8d8; --info-soft: #232a3a; --ok: #6fd39a; --ok-soft: #1c3326;
    --ins: #1d3a27; --del: #43231f; --shadow: none;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
.hidden { display: none !important; }
h1, h2, h3 { margin: 0 0 8px; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: 22px; } h2 { font-size: 20px; } h3 { font-size: 15px; }
.muted { color: var(--muted); font-size: 13px; }
.center { text-align: center; }
.error-text { color: var(--err); min-height: 1em; margin: 0; }

button, input, select, textarea { font: inherit; color: inherit; }
.btn { cursor: pointer; border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 9px 16px; font-weight: 600; font-size: 13px; transition: border-color .15s, background .15s; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); color: #fff; }
.btn.big { padding: 12px 18px; font-size: 14px; }
.btn.danger { color: var(--err); }
.btn:disabled { opacity: .6; cursor: wait; }
.link, .link-like { border: none; background: none; color: var(--accent); padding: 0; cursor: pointer; font-weight: 600; }
.link.danger { color: var(--err); }
input, select, textarea { border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 9px 12px; width: 100%; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { min-height: 76px; resize: vertical; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-weight: 600; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); font-size: 13px; font-weight: 500; cursor: pointer; }
label.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.field-label { font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; box-shadow: var(--shadow); }
.card.flush { padding: 0; overflow: hidden; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.row > label { flex: 1 1 170px; }

/* вход */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 14px; background: var(--card); padding: 32px; border-radius: 20px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.logo { width: 44px; height: 44px; border-radius: 12px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 22px; }
.logo.sm { width: 28px; height: 28px; font-size: 15px; border-radius: 8px; }

/* шапка */
.topbar { display: flex; align-items: center; gap: 24px; padding: 12px 28px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 10px; font-size: 15px; }
nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
nav button, .subtabs button { border: none; background: none; padding: 8px 14px; color: var(--muted); font-weight: 600; font-size: 13px; border-radius: 10px; cursor: pointer; }
nav button:hover, .subtabs button:hover { color: var(--text); }
nav button.active, .subtabs button.active { color: var(--accent); background: var(--accent-soft); }
.user { font-size: 13px; color: var(--muted); display: flex; gap: 14px; align-items: center; }
main { max-width: 1240px; margin: 0 auto; padding: 28px 20px 60px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head input { max-width: 300px; }
.subtabs { display: flex; gap: 4px; margin-bottom: 18px; flex-wrap: wrap; }

/* загрузка */
.drop { border: 2px dashed var(--line); background: var(--card); border-radius: 20px; padding: 44px 20px; align-items: center; text-align: center; cursor: pointer; transition: all .15s; color: var(--text); font-weight: 500; gap: 8px; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop input { display: none; }
.drop-icon { width: 52px; height: 52px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 22px; margin-bottom: 4px; }
.drop-title { font-size: 18px; font-weight: 700; }
#upload-block.compact .drop { padding: 16px; flex-direction: row; justify-content: center; gap: 12px; }
#upload-block.compact .drop-icon { width: 34px; height: 34px; font-size: 16px; margin: 0; }
#upload-block.compact .drop-title { font-size: 14px; }
.options { margin: 12px 0 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 18px; }
.options summary { cursor: pointer; font-weight: 600; font-size: 13px; }
.options-grid { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 18px; align-items: start; margin-top: 14px; }
@media (max-width: 800px) { .options-grid { grid-template-columns: 1fr; } }
.marks { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 600; cursor: pointer; color: var(--muted); }
.pill.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

/* прогресс */
.progress { display: flex; flex-direction: column; gap: 10px; padding: 28px; }
.step { display: flex; align-items: center; gap: 12px; color: var(--muted); font-weight: 500; }
.step .dot { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line); display: grid; place-items: center; font-size: 11px; flex: none; }
.step.done { color: var(--text); } .step.done .dot { background: var(--ok); border-color: var(--ok); color: #fff; }
.step.active { color: var(--text); font-weight: 600; } .step.active .dot { border-color: var(--accent); border-top-color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* отчёт */
.verdict { display: flex; gap: 16px; align-items: center; padding: 20px 22px; border-radius: var(--radius); margin: 18px 0 14px; }
.verdict .big-icon { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font-size: 22px; font-weight: 700; color: #fff; flex: none; }
.verdict.bad { background: var(--err-soft); } .verdict.bad .big-icon { background: var(--err); }
.verdict.mid { background: var(--warn-soft); } .verdict.mid .big-icon { background: var(--warn); }
.verdict.good { background: var(--ok-soft); } .verdict.good .big-icon { background: var(--ok); }
.verdict h2 { margin: 0 0 2px; font-size: 18px; }
.verdict p { margin: 0; color: var(--text); opacity: .85; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; align-items: center; }
.fact { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; font-size: 12px; }
.fact b { color: var(--muted); font-weight: 600; margin-right: 4px; }
.fact.tag { background: var(--accent-soft); border-color: transparent; color: var(--accent); font-weight: 600; }
.recheck { margin-left: auto; }

.report-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 960px) { .report-grid { grid-template-columns: 1fr; } }
.section-h { display: flex; align-items: center; gap: 8px; margin: 4px 0 10px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.count { background: var(--soft); border-radius: 999px; padding: 1px 8px; font-size: 11px; }
.issue { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); margin-bottom: 8px; cursor: pointer; transition: border-color .15s; }
.issue:hover { border-color: var(--accent); }
.issue .sev { width: 8px; border-radius: 4px; flex: none; }
.issue.error .sev, .issue.high .sev { background: var(--err); }
.issue.warning .sev, .issue.medium .sev { background: var(--warn); }
.issue.info .sev, .issue.low .sev { background: var(--info); opacity: .5; }
.issue .body { flex: 1; min-width: 0; }
.issue .cat { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 3px; }
.issue .msg { font-weight: 500; }
.issue .frag { font-size: 12px; color: var(--muted); margin-top: 6px; padding-left: 10px; border-left: 2px solid var(--line); overflow-wrap: anywhere; }
.issue .rec { font-size: 13px; margin-top: 8px; background: var(--soft); border-radius: 8px; padding: 8px 10px; }
.issue .rec b { color: var(--ok); }
.ai-summary { background: var(--accent-soft); border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; font-weight: 500; }
.group { margin-bottom: 22px; }
.empty-ok { color: var(--ok); font-weight: 600; padding: 4px 0 14px; }

.doc-card { position: sticky; top: 76px; }
.doc-card .doc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.doc { position: relative; white-space: pre-wrap; font-size: 12.5px; line-height: 1.65; max-height: calc(100vh - 170px); overflow: auto; padding-right: 6px; }
.doc mark { border-radius: 4px; padding: 1px 2px; cursor: pointer; color: inherit; }
.doc mark.error, .doc mark.high { background: var(--err-soft); box-shadow: inset 0 -2px 0 var(--err); }
.doc mark.warning, .doc mark.medium { background: var(--warn-soft); box-shadow: inset 0 -2px 0 var(--warn); }
.doc mark.low, .doc mark.info { background: var(--info-soft); }
.doc mark.flash { outline: 3px solid var(--accent); }

/* таблицы */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { color: var(--muted); font-weight: 600; font-size: 12px; background: var(--soft); }
.table tr:last-child td { border-bottom: none; }
.table tr.click:hover { background: var(--accent-soft); cursor: pointer; }
.table select { width: auto; padding: 6px 10px; }
.table-wrap { overflow-x: auto; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 9px; border-radius: 999px; margin-right: 4px; white-space: nowrap; }
.badge.error { background: var(--err-soft); color: var(--err); }
.badge.warning { background: var(--warn-soft); color: var(--warn); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }

/* настройки */
.rules-layout { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 860px) { .rules-layout { grid-template-columns: 1fr; } }
.side { padding: 14px; position: sticky; top: 76px; }
.side h4 { margin: 12px 8px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.side h4:first-child { margin-top: 2px; }
.type-item { padding: 8px 10px; border-radius: 8px; cursor: pointer; font-weight: 500; font-size: 13px; }
.type-item:hover { background: var(--soft); }
.type-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.side-actions { display: flex; gap: 8px; margin-top: 14px; }
.side-actions .btn { flex: 1; padding: 8px; }
.editor-section { margin-top: 26px; }
.editor-section > h3 { margin-bottom: 4px; }
.editor-section > .muted { margin: 0 0 12px; }
.clause { border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 10px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 12px; background: var(--soft); }
.clause .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .clause { grid-template-columns: 1fr; } }
.cond { display: flex; gap: 6px; }
.applies { display: flex; gap: 14px; flex-wrap: wrap; }
.actions { display: flex; gap: 10px; margin-top: 24px; align-items: center; }
.org { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.org .wide { grid-column: span 2; }
@media (max-width: 760px) { .org { grid-template-columns: 1fr 1fr; } }
.org-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.roles-help { margin: 14px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }

/* сравнение */
.compare-form { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.file-pick { flex: 1 1 240px; }
.arrow { font-size: 20px; color: var(--muted); padding-bottom: 8px; }
.diff { font-size: 13px; white-space: pre-wrap; line-height: 1.7; }
.diff .ins { background: var(--ins); border-radius: 3px; }
.diff .del { background: var(--del); text-decoration: line-through; border-radius: 3px; }
.diff .gap { color: var(--muted); font-style: italic; margin: 8px 0; text-align: center; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line); padding: 4px; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 12px 20px; border-radius: 12px; z-index: 10; font-weight: 600; font-size: 13px; }
@media (max-width: 600px) { .topbar { padding: 10px 16px; gap: 10px; } main { padding: 18px 16px 40px; } .card { padding: 16px; } }