/* =========================================================
   QtPortal — site.css
   CSS dùng chung toàn site (layout, form, nút, badge, thẻ, tìm kiếm, chi tiết, đăng nhập, PDF).
   Trong dự án: wwwroot/css/site.css
   Màu thương hiệu (logo Vinut): xanh #177E3E, đỏ #ED1C24
   ========================================================= */
:root{
  --brand:#177E3E; --brand-600:#126832; --brand-700:#0E5227; --brand-50:#EAF5EE; --brand-100:#CFE8D8;
  --accent:#ED1C24; --accent-600:#C8141B; --accent-50:#FDECEC;
  --ink:#1B2620; --ink-2:#4A5A51; --ink-3:#7C8A82; --line:#E3E8E5; --bg:#F5F7F6; --card:#fff;
  --warn:#B7791F; --warn-50:#FFF7E6; --info:#1F6FB2; --info-50:#EAF3FB; --purple:#6B4BB8; --purple-50:#F1EDFA;
  --radius:12px; --radius-sm:8px; --shadow:0 1px 2px rgba(16,40,24,.06),0 4px 16px rgba(16,40,24,.06);
  --font:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  /* ánh xạ Bootstrap 5 */
  --bs-primary:#177E3E; --bs-danger:#ED1C24; --bs-body-font-family:var(--font);
}
*{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:15px;line-height:1.5;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5rem;line-height:1.25} h1{font-size:1.6rem} h2{font-size:1.25rem} h3{font-size:1.05rem}
p{margin:0 0 .75rem} small,.small{font-size:.85rem} .muted{color:var(--ink-3)} .mono{font-family:Consolas,"SF Mono",monospace}
:focus-visible{outline:3px solid #F5B400;outline-offset:2px;border-radius:4px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.row{display:flex;gap:16px;flex-wrap:wrap} .grow{flex:1 1 0;min-width:0}
.stack>*+*{margin-top:12px} .hstack{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.between{justify-content:space-between} .mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-0{margin-bottom:0}
.grid{display:grid;gap:12px} .g-2{grid-template-columns:repeat(2,1fr)} .g-3{grid-template-columns:repeat(3,1fr)} .g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:3px solid var(--brand);box-shadow:0 1px 0 var(--line)}
.topbar .container{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);white-space:nowrap}
.brand img{height:38px;width:auto} .brand b{font-size:1rem;display:block;line-height:1.1} .brand span{font-size:.75rem;color:var(--ink-3)}
.brand:hover{text-decoration:none}
.top-search{flex:1;max-width:520px;position:relative}
.top-nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-link{padding:8px 12px;border-radius:8px;color:var(--ink-2);font-weight:500;display:inline-flex;gap:6px;align-items:center}
.nav-link:hover,.nav-link.active{background:var(--brand-50);color:var(--brand-700);text-decoration:none}
.user-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 10px 4px 4px;cursor:pointer;font:inherit}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem;flex:none}
.user-btn .meta{text-align:left;line-height:1.1} .user-btn .meta small{color:var(--ink-3);font-size:.72rem}
.dropdown{position:relative} .menu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);min-width:220px;padding:6px;display:none;z-index:50}
.dropdown.open .menu{display:block} .menu a,.menu button{display:flex;gap:8px;width:100%;padding:8px 10px;border-radius:6px;color:var(--ink);background:none;border:0;font:inherit;text-align:left;cursor:pointer}
.menu a:hover,.menu button:hover{background:var(--bg);text-decoration:none} .menu hr{border:0;border-top:1px solid var(--line);margin:6px 0}
.icon-btn{border:0;background:none;width:40px;height:40px;border-radius:8px;display:inline-grid;place-items:center;cursor:pointer;color:var(--ink-2)}
.icon-btn:hover{background:var(--bg)} .only-mobile{display:none!important} @media(min-width:701px){.hide-desktop{display:none!important}}
@media(max-width:900px){
  .top-nav .nav-link span,.user-btn .meta{display:none} .brand b{font-size:.9rem} .brand span{display:none}
}
@media(max-width:700px){
  .only-mobile{display:inline-grid!important} .hide-mobile{display:none!important}
  .topbar .container{flex-wrap:wrap;height:auto;padding-top:8px;padding-bottom:8px;row-gap:8px}
  .top-search{order:3;flex-basis:100%;max-width:none}
  .brand img{height:30px} .brand{min-width:0;flex:1} .brand b{overflow:hidden;text-overflow:ellipsis}
}

/* ---------- Icons (SVG sprite từ js/icons.js — dự án thật thay bằng Bootstrap Icons) ---------- */
.i{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-3px}
.i-lg{width:22px;height:22px}

/* ---------- Form controls ---------- */
.input,.select,textarea.input{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid #CBD5CF;border-radius:var(--radius-sm);padding:9px 12px;min-height:42px}
.input:focus,.select:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,126,62,.18)}
textarea.input{min-height:90px;resize:vertical}
.label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px} .req::after{content:" *";color:var(--accent)}
.help{font-size:.8rem;color:var(--ink-3);margin-top:4px} .invalid .input{border-color:var(--accent)} .err{font-size:.8rem;color:var(--accent-600);margin-top:4px}
.field{margin-bottom:14px}
.check{display:flex;gap:8px;align-items:flex-start;cursor:pointer;padding:4px 0} .check input{width:18px;height:18px;accent-color:var(--brand);margin-top:2px;flex:none}
.input-group{display:flex} .input-group .input{border-radius:var(--radius-sm) 0 0 var(--radius-sm)} .input-group .btn{border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.search-box{position:relative} .search-box .i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--ink-3)}
.search-box .input{padding-left:40px;border-radius:999px;background:var(--bg);border-color:transparent}
.search-box .input:focus{background:#fff}
.kbd{font-size:.7rem;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 5px;color:var(--ink-3);background:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;padding:9px 16px;min-height:42px;cursor:pointer;white-space:nowrap;text-decoration:none!important;transition:background .15s}
.btn-primary{background:var(--brand);color:#fff} .btn-primary:hover{background:var(--brand-600)}
.btn-accent{background:var(--accent);color:#fff} .btn-accent:hover{background:var(--accent-600)}
.btn-outline{background:#fff;color:var(--brand-700);border-color:var(--brand-100)} .btn-outline:hover{background:var(--brand-50)}
.btn-ghost{background:transparent;color:var(--ink-2)} .btn-ghost:hover{background:var(--bg)}
.btn-danger-outline{background:#fff;color:var(--accent-600);border-color:#F6C3C5} .btn-danger-outline:hover{background:var(--accent-50)}
.btn-sm{min-height:34px;padding:5px 12px;font-size:.85rem} .btn-xs{min-height:28px;padding:3px 9px;font-size:.78rem;border-radius:6px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Badges / chips ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:700;letter-spacing:.02em;padding:3px 8px;border-radius:999px;line-height:1.3;white-space:nowrap}
.t-QT{background:var(--brand-50);color:var(--brand-700)} .t-BM{background:var(--accent-50);color:var(--accent-600)}
.t-HD{background:var(--info-50);color:var(--info)} .t-QD{background:var(--purple-50);color:var(--purple)}
.t-CS{background:#E8F7F7;color:#0F7A7A} .t-PL{background:#F1F3F2;color:var(--ink-2)}
.s-active{background:var(--brand-50);color:var(--brand-700)} .s-draft{background:#F1F3F2;color:var(--ink-2)} .s-expired{background:var(--warn-50);color:var(--warn)}
.scope{background:#fff;border:1px solid var(--line);color:var(--ink-2)} .scope-all{border-color:var(--brand-100);color:var(--brand-700)} .scope-internal{border-color:#F3D9A4;color:var(--warn)}
.src-manual{background:#F1F3F2;color:var(--ink-2)} .src-master{background:var(--info-50);color:var(--info)}
.chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.82rem;color:var(--ink-2)}
a.chip:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.dot-new{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-50)}
mark{background:#FFE58A;color:inherit;padding:0 1px;border-radius:2px}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-body{padding:16px} .card-head{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:8px}
.card-head h2,.card-head h3{margin:0}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:28px 0 12px} .section-title h2{margin:0;display:flex;gap:8px;align-items:center}
.section-title h2::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--accent)}

/* ---------- Page header / breadcrumb ---------- */
.page{padding-top:20px;padding-bottom:48px}
.crumb{display:flex;flex-wrap:wrap;gap:6px;font-size:.85rem;color:var(--ink-3);margin-bottom:10px;padding:0;list-style:none}
.crumb li+li::before{content:"›";margin-right:6px;color:#B5C0BA}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:16px}

/* ---------- Alerts / toast ---------- */
.alert{display:flex;gap:10px;padding:12px 14px;border-radius:10px;border:1px solid;font-size:.92rem;align-items:flex-start}
.alert-success{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}
.alert-warning{background:var(--warn-50);border-color:#F3D9A4;color:#7A4F0E}
.alert-danger{background:var(--accent-50);border-color:#F6C3C5;color:var(--accent-600)}
.alert-info{background:var(--info-50);border-color:#C6DDF1;color:#164E7E}
.toast-wrap{position:fixed;right:16px;bottom:72px;z-index:60;display:flex;flex-direction:column;gap:8px;max-width:calc(100% - 32px)}
.toast{background:var(--ink);color:#fff;padding:12px 16px;border-radius:10px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:center;animation:up .25s}
@keyframes up{from{transform:translateY(10px);opacity:0}}

/* ---------- Hero (home) ---------- */
.hero{background:linear-gradient(135deg,var(--brand-700),var(--brand) 60%,#22994E);color:#fff;position:relative;z-index:3}
/* hero không dùng overflow:hidden để hộp gợi ý (autocomplete) không bị cắt */
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:56px;border-radius:50%/100% 100% 0 0;border-top:6px solid rgba(255,255,255,.22);pointer-events:none}
.hero .container{padding-top:40px;padding-bottom:56px;position:relative;z-index:1}
.hero h1{font-size:1.9rem;margin-bottom:6px} .hero p{opacity:.9}
.hero-search{display:flex;background:#fff;border-radius:14px;padding:6px;box-shadow:0 10px 30px rgba(0,0,0,.18);max-width:720px;margin-top:18px;position:relative}
.hero-search .input{border:0;font-size:1.05rem;min-height:50px;background:transparent}
.hero-search .input:focus{box-shadow:none}
.hero-search .btn{min-height:50px;padding:0 22px;border-radius:10px}
.hero .examples{margin-top:12px;font-size:.88rem;display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.hero .examples a{color:#fff;background:rgba(255,255,255,.15);padding:3px 10px;border-radius:999px}
@media(max-width:560px){.hero h1{font-size:1.4rem}.hero .container{padding-top:24px;padding-bottom:44px}.hero-search .btn span{display:none}}

/* ---------- Tiles ---------- */
.tile{display:flex;gap:12px;padding:14px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);color:var(--ink);transition:.15s}
.tile:hover{border-color:var(--brand);box-shadow:var(--shadow);text-decoration:none;transform:translateY(-1px)}
.tile .ic{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;flex:none;background:var(--brand-50);color:var(--brand)}
.tile.form .ic{background:var(--accent-50);color:var(--accent)}
.tile b{display:block;font-size:.95rem} .tile small{color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dept-tile{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:10px;background:#fff;border:1px solid var(--line);color:var(--ink)}
.dept-tile:hover{border-color:var(--brand);text-decoration:none}
.dept-tile .code{font-weight:800;color:var(--brand-700);font-size:.85rem;min-width:56px}
.dept-tile .count{font-size:.78rem;background:var(--bg);border-radius:999px;padding:2px 8px;color:var(--ink-2)}
.list-plain{list-style:none;margin:0;padding:0} .list-plain li{padding:10px 16px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center}
.list-plain li:first-child{border-top:0}

/* ---------- Search page ---------- */
.search-layout{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:start}
.filters{position:sticky;top:84px}
.filter-group{padding:14px 16px;border-top:1px solid var(--line)} .filter-group:first-child{border-top:0}
.filter-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);margin-bottom:8px}
.filter-group .check{justify-content:space-between} .filter-group .check span{flex:1} .filter-group .cnt{font-size:.78rem;color:var(--ink-3)}
.result{padding:16px;border-bottom:1px solid var(--line);display:flex;gap:14px}
.result:last-child{border-bottom:0}
.result .doc-ic{width:44px;height:52px;border-radius:6px;flex:none;display:grid;place-items:center;font-size:.7rem;font-weight:800;position:relative}
.doc-ic.QT{background:var(--brand-50);color:var(--brand-700)} .doc-ic.BM{background:var(--accent-50);color:var(--accent-600)} .doc-ic.HD{background:var(--info-50);color:var(--info)} .doc-ic.QD{background:var(--purple-50);color:var(--purple)}
.result .code{font-weight:800;font-size:.85rem;color:var(--ink-2)} .result .title{font-size:1.05rem;font-weight:600;display:block;margin:2px 0 6px}
.result .meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:.82rem;color:var(--ink-3);align-items:center}
.result .snippet{font-size:.9rem;color:var(--ink-2);margin:8px 0 0}
.result .belongs{font-size:.85rem;margin-top:8px;padding:6px 10px;background:var(--bg);border-radius:8px;display:inline-flex;flex-wrap:wrap;gap:4px 6px;align-items:center}
.result .actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.star{border:0;background:none;cursor:pointer;color:#B5C0BA;padding:4px;border-radius:6px;height:fit-content}
.star.on{color:#F5B400} .star.on .i{fill:#F5B400}
.facet-bar{display:none}
@media(max-width:900px){
  .search-layout{grid-template-columns:1fr}
  .filters{position:fixed;inset:0 auto 0 0;width:min(320px,88vw);z-index:70;border-radius:0;transform:translateX(-100%);transition:.25s;overflow:auto}
  .filters.open{transform:none} .facet-bar{display:flex}
}
@media(max-width:560px){.result{padding:14px 12px;gap:10px}.result .doc-ic{width:36px;height:44px}}
.backdrop{position:fixed;inset:0;background:rgba(10,25,15,.45);z-index:65;display:none} .backdrop.show{display:block}
.empty{text-align:center;padding:36px 16px} .empty .ic{width:64px;height:64px;border-radius:50%;background:var(--bg);display:grid;place-items:center;margin:0 auto 12px;color:var(--ink-3)}

/* autocomplete */
.ac{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.12);padding:6px;z-index:55;display:none;color:var(--ink)}
.ac.show{display:block}
.ac [role=option]{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:8px;cursor:pointer}
.ac [role=option][aria-selected=true],.ac [role=option]:hover{background:var(--brand-50)}
.ac .c{font-weight:700;font-size:.8rem;color:var(--ink-2);min-width:84px} .ac .t{flex:1;font-size:.92rem}
.ac .foot{font-size:.78rem;color:var(--ink-3);padding:6px 10px 2px;border-top:1px solid var(--line);margin-top:4px}

/* ---------- Document detail ---------- */
.doc-head{background:#fff;border-bottom:1px solid var(--line)}
.doc-head .container{padding-top:18px;padding-bottom:18px}
.doc-head .code{font-weight:800;color:var(--brand-700);font-size:.95rem;letter-spacing:.02em}
.doc-head h1{font-size:1.5rem;margin:4px 0 10px}
.doc-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.detail-layout{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
@media(max-width:900px){.detail-layout{grid-template-columns:1fr}}
.kv{display:grid;grid-template-columns:140px 1fr;gap:8px 12px;font-size:.92rem} .kv dt{color:var(--ink-3)} .kv dd{margin:0}
@media(max-width:560px){.kv{grid-template-columns:1fr}.kv dt{margin-top:6px}}
.sign{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:10px;overflow:hidden;text-align:center}
.sign>div{padding:12px 8px;border-left:1px solid var(--line)} .sign>div:first-child{border-left:0}
.sign .h{font-size:.72rem;font-weight:800;color:var(--ink-3);letter-spacing:.06em} .sign .n{font-weight:700;font-style:italic;margin-top:8px} .sign .r{font-size:.8rem;color:var(--ink-3)}
@media(max-width:560px){.sign{grid-template-columns:1fr}.sign>div{border-left:0;border-top:1px solid var(--line)}.sign>div:first-child{border-top:0}}
details.ver summary{cursor:pointer;font-weight:600;padding:12px 16px;list-style:none;display:flex;justify-content:space-between}
details.ver summary::-webkit-details-marker{display:none}
.timeline{list-style:none;margin:0;padding:0 16px 12px} .timeline li{position:relative;padding:0 0 14px 22px;border-left:2px solid var(--line);margin-left:6px}
.timeline li::before{content:"";position:absolute;left:-7px;top:3px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--ink-3)}
.timeline li.cur::before{border-color:var(--brand);background:var(--brand)}
.sticky-actions{display:none}
@media(max-width:700px){
  .sticky-actions{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:45;background:#fff;border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:8px;box-shadow:0 -4px 16px rgba(0,0,0,.06)}
  .sticky-actions .btn{flex:1}
  .has-sticky{padding-bottom:84px}
}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-3);font-weight:700;padding:10px 12px;background:#FAFBFA;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:hover td{background:#FAFCFB}
.tbl .num{text-align:right}
/* Bảng → thẻ trên mobile: thêm class .tbl-stack và data-label ở mỗi td */
@media(max-width:700px){
  .tbl-stack thead{display:none} .tbl-stack,.tbl-stack tbody,.tbl-stack tr,.tbl-stack td{display:block;width:100%}
  .tbl-stack tr{border-bottom:8px solid var(--bg);padding:6px 0}
  .tbl-stack td{border:0;padding:5px 14px;display:flex;justify-content:space-between;gap:12px;text-align:right}
  .tbl-stack td::before{content:attr(data-label);color:var(--ink-3);font-size:.8rem;text-align:left;flex:none}
  .tbl-stack td[data-label=""]::before{display:none} .tbl-stack td.main{display:block;text-align:left;font-size:1rem}
}
.pager{display:flex;gap:4px;justify-content:center;flex-wrap:wrap;padding:14px}
.pager a,.pager span{min-width:36px;height:36px;display:grid;place-items:center;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink-2);padding:0 8px;font-size:.9rem}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)} .pager a:hover{text-decoration:none;border-color:var(--brand)}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs button{border:0;background:none;font:inherit;font-weight:600;color:var(--ink-3);padding:10px 14px;border-bottom:3px solid transparent;cursor:pointer;white-space:nowrap}
.tabs button[aria-selected=true]{color:var(--brand-700);border-bottom-color:var(--brand)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login-art{background:linear-gradient(160deg,var(--brand-700),var(--brand));color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login-art::before{content:"";position:absolute;right:-120px;bottom:-120px;width:380px;height:380px;border-radius:50%;border:40px solid rgba(255,255,255,.07)}
.login-art h2{font-size:2rem;max-width:420px} .login-art ul{padding-left:18px;opacity:.9}
.login-form{display:grid;place-items:center;padding:32px 20px;background:#fff}
.login-form .box{width:100%;max-width:380px}
@media(max-width:860px){.login-wrap{grid-template-columns:1fr}.login-art{display:none}}

/* ---------- PDF viewer ---------- */
.viewer{display:flex;flex-direction:column;height:calc(100vh - 67px);min-height:calc(100dvh - 67px)}
.viewer-bar{background:#26302A;color:#fff;display:flex;gap:8px;align-items:center;padding:8px 12px;flex-wrap:wrap}
.viewer-bar .btn{min-height:34px} .viewer-bar .btn-ghost{color:#fff} .viewer-bar .btn-ghost:hover{background:rgba(255,255,255,.1)}
.viewer-body{flex:1;background:#525659;position:relative;overflow:hidden;display:flex;flex-direction:column}
.pdf-frame{width:100%;height:100%;flex:1;border:none;display:block}
.pdf-page{background:#fff;width:min(800px,100%);aspect-ratio:1/1.414;box-shadow:0 4px 20px rgba(0,0,0,.4);padding:6%;font-size:.8rem;color:#333;margin:auto}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:#fff;font-size:.82rem;color:var(--ink-3)}
.footer .container{padding-top:16px;padding-bottom:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:700px){
  .brand b{font-size:.85rem}
  .doc-head h1{font-size:1.25rem;line-height:1.35;margin:6px 0 10px}
  .viewer{height:calc(100dvh - 105px);min-height:calc(100vh - 105px)}
  .viewer-bar{padding:6px 10px;gap:6px}
  .has-sticky ~ .footer{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
}
@media print{.topbar,.footer,.doc-actions,.sticky-actions,.side{display:none!important}.admin{display:block}}