:root {
  --bg: #f4f6fa;
  --card: #fff;
  --text: #1d2433;
  --muted: #6b7385;
  --line: #e2e6ee;
  --primary: #1f5fbf;
  --primary-soft: #e8f0fc;
  --ok: #1e8a4c;
  --ok-soft: #e3f5ea;
  --warn: #b26a00;
  --warn-soft: #fff3dc;
  --danger: #c0392b;
  --danger-soft: #fdeceb;
  --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0 0 6px; }
h2 { font-size: 18px; margin: 28px 0 12px; }
h3 { font-size: 15px; margin: 0 0 10px; }
.muted { color: var(--muted); }
.lead { font-size: 16px; color: #3a4357; margin: 0 0 14px; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 20px; background: #13294b; color: #fff; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 16px; }
.brand:hover { text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: #fff; color: #13294b; font-weight: 800; }
.user-menu { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.user-menu a, .user-menu .link { color: #cfe0ff; }
.user-name { font-weight: 600; }
.user-menu form { margin: 0; }
button.link { background: none; border: 0; padding: 0; font: inherit; cursor: pointer; }
button.link:hover { text-decoration: underline; }

/* Layout */
.layout { display: grid; grid-template-columns: 300px 1fr; min-height: calc(100vh - 56px); }
.layout.no-sidebar { grid-template-columns: 1fr; }
.sidebar { position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto; background: var(--card); border-right: 1px solid var(--line); padding: 14px 10px; }
.side-home { display: block; padding: 8px 10px; border-radius: 8px; font-weight: 600; color: var(--text); }
.side-home.active, .mezon-list a.active { background: var(--primary-soft); color: var(--primary); }
.side-title { margin: 14px 10px 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.mezon-list { list-style: none; margin: 0; padding: 0; }
.mezon-list a { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; color: var(--text); font-size: 13px; }
.mezon-list a:hover { background: #f1f3f8; text-decoration: none; }
.m-num { flex: 0 0 26px; height: 22px; display: grid; place-items: center; border-radius: 6px; background: #eef1f6; font-weight: 700; font-size: 12px; }
.m-name { flex: 1; line-height: 1.3; }
.m-count { flex: 0 0 auto; font-size: 11px; padding: 1px 6px; border-radius: 10px; background: #eef1f6; color: var(--muted); }
.m-count.part { background: var(--warn-soft); color: var(--warn); }
.m-count.done { background: var(--ok-soft); color: var(--ok); }
.content { padding: 24px 32px 60px; max-width: 1100px; width: 100%; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 18px 0 8px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat-val { font-size: 26px; font-weight: 700; }
.stat-val small { font-size: 15px; color: var(--muted); font-weight: 500; }
.stat-lbl { color: var(--muted); font-size: 13px; }
.bar { height: 6px; margin-top: 8px; border-radius: 3px; background: #eef1f6; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--ok); }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.search { display: flex; gap: 8px; }
.search input { width: 320px; }

/* Forms & buttons */
input[type=text], input[type=search], input[type=password], input[type=file] {
  width: 100%; padding: 8px 10px; border: 1px solid #cfd5e1; border-radius: 8px; font: inherit; background: #fff; }
input:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
.errorlist { margin: 4px 0 0; padding: 0; list-style: none; color: var(--danger); font-size: 13px; }
.btn { display: inline-block; padding: 8px 14px; border: 1px solid #cfd5e1; border-radius: 8px; background: #fff; color: var(--text);
  font: inherit; font-size: 14px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: #f1f3f8; text-decoration: none; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #184e9e; }
.btn-danger { color: var(--danger); border-color: #f0c4bf; }
.btn-danger:hover { background: var(--danger-soft); }
.btn-block { width: 100%; }

/* Alerts */
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; background: var(--primary-soft); }
.alert-success { background: var(--ok-soft); color: var(--ok); }
.alert-error { background: var(--danger-soft); color: var(--danger); }

/* Documents */
.doc-list { list-style: none; margin: 0; padding: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.doc { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-top: 1px solid var(--line); }
.doc:first-child { border-top: 0; }
.doc-icon { flex: 0 0 44px; height: 44px; display: grid; place-items: center; border-radius: 8px; font-size: 11px; font-weight: 700; background: #eef1f6; color: var(--muted); }
.ext-pdf { background: #fdeceb; color: #c0392b; }
.ext-doc, .ext-docx, .ext-odt { background: #e8f0fc; color: #1f5fbf; }
.ext-xls, .ext-xlsx, .ext-ods, .ext-csv { background: #e3f5ea; color: #1e8a4c; }
.ext-ppt, .ext-pptx { background: #fff3dc; color: #b26a00; }
.doc-body { flex: 1; min-width: 0; }
.doc-name { font-weight: 600; word-break: break-word; }
.doc-note { font-size: 13px; color: #3a4357; }
.doc-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--muted); margin-top: 2px; }
.doc-actions { display: flex; gap: 6px; }
.doc-actions form { margin: 0; }
.tag { background: var(--primary-soft); padding: 0 8px; border-radius: 10px; font-weight: 600; }
.empty { padding: 30px; text-align: center; color: var(--muted); background: var(--card); border: 1px dashed #cfd5e1; border-radius: var(--radius); }
.pager { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 16px; }

/* Mezon & indikator */
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 10px; vertical-align: middle; white-space: nowrap; }
.badge-req { background: var(--danger-soft); color: var(--danger); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-none { background: #eef1f6; color: var(--muted); }
.ind-list { display: grid; gap: 12px; }
.ind-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.ind-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.ind-title { color: var(--text); }
.ind-meta { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 13px; color: var(--muted); margin: 6px 0 10px; }
.ind-meta.big { font-size: 14px; color: var(--text); }
.mini-docs { margin: 0 0 10px; padding-left: 18px; font-size: 13px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.panel ul { margin: 0; padding-left: 18px; }
.panel li { margin-bottom: 6px; }
.upload { margin-top: 14px; border-color: #bcd0f0; background: #fbfdff; }
.auth-box { max-width: 400px; margin: 60px auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; max-height: 260px; border-right: 0; border-bottom: 1px solid var(--line); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .content { padding: 18px; }
  .search input { width: 100%; }
  .doc { flex-wrap: wrap; }
}


/* Hujjatni ko'rish */
.viewer-head { display: flex; align-items: flex-start; gap: 14px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 14px; }
.viewer-title { font-size: 18px; margin: 0 0 4px; word-break: break-word; }
.viewer { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.viewer-frame { display: block; width: 100%; height: calc(100vh - 240px); min-height: 520px; border: 0; }
.viewer-image { padding: 16px; text-align: center; background: #eef1f6; }
.viewer-image img { max-width: 100%; height: auto; box-shadow: 0 2px 10px rgba(0,0,0,.12); }
.viewer-loading { padding: 40px; text-align: center; color: var(--muted); }
.viewer-loading.error { color: var(--danger); }
.viewer-body { max-height: calc(100vh - 240px); min-height: 300px; overflow: auto; }
.viewer-body .docx-wrapper { background: #eef1f6; padding: 20px; }
.viewer-text { margin: 0; padding: 16px 20px; white-space: pre-wrap; font: 13px/1.5 ui-monospace, monospace; }
.viewer-tabs { display: flex; gap: 4px; padding: 8px 10px 0; border-bottom: 1px solid var(--line); background: #f7f8fb; overflow-x: auto; }
.viewer-tabs button { border: 1px solid var(--line); border-bottom: 0; background: #eef1f6; padding: 6px 12px; border-radius: 6px 6px 0 0; font: inherit; font-size: 13px; cursor: pointer; }
.viewer-tabs button.active { background: #fff; color: var(--primary); font-weight: 600; }
.sheet-wrap { padding: 12px; }
.sheet-wrap table { border-collapse: collapse; font-size: 13px; }
.sheet-wrap td { border: 1px solid #d5dae4; padding: 4px 8px; vertical-align: top; }
.sheet-wrap tr:first-child td { background: #f1f3f8; font-weight: 600; }
@media (max-width: 900px) { .viewer-head { flex-wrap: wrap; } }