:root{
  --blue:#2f6fed;
  --blue-dark:#1f4fc4;
  --blue-light:#eaf1ff;
  --bg:#f4f6fb;
  --card:#ffffff;
  --border:#e7ebf3;
  --text:#1c2433;
  --text-mut:#6b7280;
  --green:#22a35a;
  --purple:#8b6ff2;
  --orange:#f4924b;
  --pink:#ef5f7a;
  --teal:#2fb6c4;
  --red:#e14b4b;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(20,30,60,.05);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"Inter","Segoe UI",Arial,sans-serif;}
h1,h2,h3,h4{margin:0;font-family:"Inter",sans-serif;}
button{font-family:inherit;cursor:pointer;}
a{text-decoration:none;color:inherit;}

/* ---------- shell ---------- */
.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh;}

/* ---------- sidebar ---------- */
.sidebar{background:#fff;border-right:1px solid var(--border);
  padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 22px;}
.brand .logo{width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--blue),#5b8ef7);display:flex;
  align-items:center;justify-content:center;color:#fff;font-size:18px;flex:none;}
.brand .name{font-weight:700;font-size:15px;line-height:1.2;}
.brand .sub{font-size:11px;color:var(--text-mut);}

.nav{display:flex;flex-direction:column;gap:2px;flex:1;}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;
  color:var(--text-mut);font-size:14px;font-weight:500;}
.nav a .ic{width:20px;text-align:center;}
.nav a:hover{background:#f4f6fb;}
.nav a.active{background:var(--blue-light);color:var(--blue-dark);font-weight:600;}
.nav .divider{height:1px;background:var(--border);margin:12px 4px;}

.side-foot{border-top:1px solid var(--border);padding-top:14px;margin-top:10px;
  display:flex;align-items:center;gap:10px;}
.side-foot .avatar{width:34px;height:34px;border-radius:50%;background:var(--blue-light);
  color:var(--blue-dark);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:none;}
.side-foot .who{font-size:13px;line-height:1.25;}
.side-foot .who b{display:block;font-size:13px;}
.side-foot .who span{color:var(--text-mut);font-size:11px;}

/* ---------- main ---------- */
.main{padding:26px 30px 60px;max-width:1400px;}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:12px;}
.topbar h1{font-size:22px;}
.topbar .hello{font-size:12px;color:var(--text-mut);margin-top:3px;}
.topbar .actions{display:flex;align-items:center;gap:12px;}
.btn{border:none;border-radius:10px;padding:11px 18px;font-weight:600;font-size:13px;
  display:inline-flex;align-items:center;gap:8px;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.25);}
.btn-primary:hover{background:var(--blue-dark);}
.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--text);}
.icon-btn{width:40px;height:40px;border-radius:10px;background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;position:relative;color:var(--text-mut);}
.icon-btn .dot{position:absolute;top:8px;right:8px;width:7px;height:7px;border-radius:50%;background:var(--pink);}

/* ---------- stat cards ---------- */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:20px;}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;display:flex;gap:12px;align-items:flex-start;box-shadow:var(--shadow);}
.stat-card .ic{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:18px;flex:none;}
.stat-card .num{font-size:21px;font-weight:800;line-height:1.1;}
.stat-card .lbl{font-size:12px;color:var(--text-mut);margin-top:2px;}
.ic-blue{background:#e7f0ff;color:var(--blue);}
.ic-green{background:#e5f8ed;color:var(--green);}
.ic-purple{background:#efeafe;color:var(--purple);}
.ic-orange{background:#fef1e6;color:var(--orange);}
.ic-pink{background:#fdeaef;color:var(--pink);}

/* ---------- grid ---------- */
.grid-2{display:grid;grid-template-columns:1.7fr 1fr;gap:16px;align-items:start;}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.panel-head h3{font-size:15px;}
.link-sm{font-size:12px;color:var(--blue);font-weight:600;}

/* documents table */
table{width:100%;border-collapse:collapse;font-size:13px;}
th{text-align:left;color:var(--text-mut);font-weight:600;font-size:11px;text-transform:uppercase;
  letter-spacing:.03em;padding:0 10px 10px;border-bottom:1px solid var(--border);}
td{padding:12px 10px;border-bottom:1px solid #f1f3f8;vertical-align:middle;}
tr:last-child td{border-bottom:none;}
.doc-row{display:flex;align-items:center;gap:10px;}
.doc-thumb{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:14px;flex:none;color:#fff;}
.thumb-red{background:var(--red);}
.thumb-blue{background:var(--blue);}
.thumb-green{background:var(--green);}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;}
.badge-blue{background:var(--blue-light);color:var(--blue-dark);}
.badge-orange{background:#fef1e6;color:var(--orange);}
.badge-green{background:#e5f8ed;color:var(--green);}
.star{color:#d8dce6;font-size:15px;}
.star.on{color:#f5b53f;}

/* donut */
.donut-wrap{display:flex;align-items:center;gap:18px;}
.donut{width:150px;height:150px;border-radius:50%;flex:none;
  background:conic-gradient(var(--blue) 0 28%,var(--teal) 28% 46%,var(--purple) 46% 62%,
  var(--green) 62% 76%,var(--orange) 76% 86%,#dfe4ee 86% 100%);
  position:relative;}
.donut::after{content:"";position:absolute;inset:26px;background:#fff;border-radius:50%;}
.legend{display:flex;flex-direction:column;gap:9px;font-size:12.5px;}
.legend .row{display:flex;align-items:center;gap:8px;}
.legend .dot{width:9px;height:9px;border-radius:50%;flex:none;}
.legend .pct{margin-left:auto;font-weight:700;color:var(--text-mut);}

/* bar list */
.bar-list{display:flex;flex-direction:column;gap:12px;margin-top:4px;}
.bar-row{display:grid;grid-template-columns:110px 1fr 34px;align-items:center;gap:10px;font-size:12.5px;}
.bar-row .track{height:9px;border-radius:6px;background:#eef1f7;overflow:hidden;}
.bar-row .fill{height:100%;border-radius:6px;}
.bar-row .count{text-align:right;color:var(--text-mut);font-weight:600;}

footer.note{margin-top:40px;font-size:12px;color:var(--text-mut);text-align:center;}

/* ---------- table scroll on small screens ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.table-scroll table{min-width:640px;}

/* ---------- mobile nav (hamburger + drawer) ---------- */
.menu-toggle{display:none;}
.sidebar-backdrop{display:none;}

@media (max-width:960px){
  .app{grid-template-columns:1fr;}
  .menu-toggle{display:flex;}
  .sidebar{
    position:fixed;left:0;top:0;height:100dvh;width:250px;z-index:150;
    transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 0 rgba(0,0,0,0);
  }
  .sidebar.open{transform:translateX(0);box-shadow:12px 0 30px rgba(10,15,30,.18);}
  .sidebar-backdrop{
    display:block;position:fixed;inset:0;background:rgba(15,20,35,.45);z-index:140;
    opacity:0;pointer-events:none;transition:opacity .25s ease;
  }
  .sidebar-backdrop.show{opacity:1;pointer-events:auto;}
  .main{padding:18px 16px 50px;}
}

@media (max-width:640px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .grid-2{grid-template-columns:1fr;}
  .topbar h1{font-size:18px;}
  .btn-primary span.txt{display:none;}
  .btn-primary{padding:11px 14px;}
}
@media (max-width:420px){
  .stats{grid-template-columns:1fr 1fr;}
  .detail-grid{grid-template-columns:1fr;}
}

/* ---------- modal responsive ---------- */
@media (max-width:640px){
  .modal-overlay{padding:0;align-items:flex-end;}
  .modal{max-width:100%;width:100%;border-radius:18px 18px 0 0;max-height:92vh;}
  .modal-choices{grid-template-columns:1fr 1fr;}
}

/* ---------- lock screen ---------- */
.lock-screen{position:fixed;inset:0;background:var(--bg);z-index:500;
  display:flex;align-items:center;justify-content:center;padding:20px;}
.lock-screen.hidden{display:none;}
.lock-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:32px 28px;
  width:100%;max-width:340px;text-align:center;box-shadow:0 20px 50px rgba(10,15,30,.12);}
.lock-card .logo{width:52px;height:52px;border-radius:14px;font-size:24px;
  background:linear-gradient(135deg,var(--blue),#5b8ef7);color:#fff;display:flex;
  align-items:center;justify-content:center;}
.lock-card h2{font-size:17px;margin-bottom:6px;}
.lock-card p{color:var(--text-mut);font-size:12.5px;margin-bottom:18px;}
.lock-card input{width:100%;text-align:center;letter-spacing:.3em;font-size:16px;
  background:#f6f8fc;border:1px solid var(--border);border-radius:10px;padding:12px;font-family:inherit;}
.lock-error{color:var(--red);font-size:12px;margin-top:10px;min-height:16px;font-weight:600;}

/* ---------- changelog link + modal ---------- */
.changelog-link{display:block;margin-top:10px;font-size:11px;color:var(--text-mut);
  text-align:left;padding:4px 4px;}
.changelog-link:hover{color:var(--blue);}
.changelog-item{padding:14px 0;border-bottom:1px solid #f1f3f8;}
.changelog-item:last-child{border-bottom:none;}
.changelog-item .v{display:inline-block;background:var(--blue-light);color:var(--blue-dark);
  font-weight:700;font-size:11px;border-radius:8px;padding:2px 9px;margin-right:8px;}
.changelog-item .d{color:var(--text-mut);font-size:11px;}
.changelog-item ul{margin:8px 0 0;padding-left:18px;font-size:12.5px;}
.changelog-item li{margin-bottom:3px;}

/* ---------- notifications ---------- */
.notif-wrap{position:relative;}
.notif-panel{position:absolute;right:0;top:50px;width:320px;max-height:400px;overflow-y:auto;
  background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 16px 40px rgba(10,15,30,.15);
  display:none;z-index:120;padding:8px;}
.notif-panel.show{display:block;}
.notif-item{padding:10px 12px;border-radius:10px;font-size:12.5px;}
.notif-item:hover{background:#f8faff;}
.notif-item .t{font-weight:600;}
.notif-item .d{color:var(--text-mut);font-size:11px;margin-top:2px;}
.notif-empty{padding:30px 10px;text-align:center;color:var(--text-mut);font-size:12.5px;}

/* ---------- stat cards clickable ---------- */
.stat-card{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(20,30,60,.09);}

/* ---------- interactive elements ---------- */
.nav a{cursor:pointer;}
tr.doc-clickable{cursor:pointer;}
tr.doc-clickable:hover{background:#f8faff;}
.star{cursor:pointer;user-select:none;}
.empty{padding:50px 10px;text-align:center;color:var(--text-mut);}
.empty .big{font-size:34px;margin-bottom:8px;}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px;}
.search-input{flex:1;min-width:200px;background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:10px 14px;font-size:13px;}
.tabs{display:flex;gap:8px;flex-wrap:wrap;}
.tab{background:#fff;border:1px solid var(--border);border-radius:20px;padding:7px 14px;font-size:12.5px;
  font-weight:600;color:var(--text-mut);cursor:pointer;}
.tab.on{background:var(--blue);border-color:var(--blue);color:#fff;}

.doc-list{display:flex;flex-direction:column;}
.doc-list-row{display:flex;align-items:center;gap:12px;padding:14px 4px;border-bottom:1px solid #f1f3f8;cursor:pointer;}
.doc-list-row:hover{background:#f8faff;}
.doc-list-row .t{font-weight:700;font-size:13.5px;}
.doc-list-row .s{color:var(--text-mut);font-size:12px;margin-top:2px;}
.doc-list-row .meta{margin-left:auto;display:flex;align-items:center;gap:14px;color:var(--text-mut);font-size:12px;}

.detail-hero{display:flex;align-items:center;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:16px;}
.detail-hero .doc-thumb{width:48px;height:48px;font-size:20px;}
.detail-hero .t{font-size:18px;font-weight:700;}
.detail-hero .s{color:var(--text-mut);font-size:13px;}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px;}
.detail-grid .r span{display:block;font-size:11px;color:var(--text-mut);margin-bottom:3px;}
.detail-grid .r b{font-size:13.5px;}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap;}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:13px;
  margin-bottom:14px;cursor:pointer;}

.list-card{display:flex;align-items:center;gap:14px;padding:16px;border-bottom:1px solid #f1f3f8;cursor:pointer;}
.list-card:hover{background:#f8faff;}
.list-card .av{width:44px;height:44px;border-radius:12px;background:var(--blue-light);color:var(--blue-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:none;}
.list-card .t{font-weight:700;font-size:14px;}
.list-card .s{color:var(--text-mut);font-size:12px;}
.list-card .cnt{margin-left:auto;font-size:12px;color:var(--text-mut);font-weight:600;}

/* ---------- modal ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(15,20,35,.45);display:none;
  align-items:center;justify-content:center;z-index:100;padding:20px;}
.modal-overlay.show{display:flex;}
.modal{background:#fff;border-radius:18px;width:100%;max-width:480px;max-height:88vh;overflow-y:auto;
  padding:24px;box-shadow:0 20px 60px rgba(10,15,30,.3);}
.modal h3{font-size:17px;margin-bottom:4px;}
.modal .sub{color:var(--text-mut);font-size:12.5px;margin-bottom:18px;}
.modal-choices{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.modal-choice{border:1px solid var(--border);border-radius:14px;padding:20px 10px;text-align:center;cursor:pointer;
  font-weight:600;font-size:13px;}
.modal-choice:hover{border-color:var(--blue);background:var(--blue-light);}
.modal-choice .ic{font-size:26px;margin-bottom:8px;display:block;}
.modal-close{position:absolute;top:16px;right:16px;}
.modal{position:relative;}

.field{margin-bottom:14px;}
.field label{display:block;font-size:12px;color:var(--text-mut);font-weight:600;margin-bottom:6px;}
.field input, .field select, .field textarea{width:100%;background:#f6f8fc;border:1px solid var(--border);
  border-radius:9px;padding:10px 12px;font-size:13px;font-family:inherit;}
.field textarea{min-height:60px;resize:vertical;}
.modal-actions{display:flex;gap:10px;margin-top:6px;}

.scan-box{background:#0c0e14;border-radius:14px;padding:12px;margin-bottom:16px;text-align:center;}
.scan-box video, .scan-box canvas, .scan-box img{width:100%;border-radius:10px;background:#1a1d27;max-height:300px;object-fit:contain;}
.scan-box .hint{color:#c3c8d6;font-size:11px;margin:10px 0;}
.shutter{width:54px;height:54px;border-radius:50%;border:3px solid #fff;margin:0 auto;background:transparent;cursor:pointer;}
.shutter:active{background:#fff;}
.file-drop{border:2px dashed var(--border);border-radius:14px;padding:30px 10px;text-align:center;cursor:pointer;
  color:var(--text-mut);font-size:13px;margin-bottom:16px;}
.file-drop:hover{border-color:var(--blue);color:var(--blue);}
.file-drop.has-file{border-color:var(--green);color:var(--green);}

.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,20px);background:#1c2433;color:#fff;
  padding:12px 20px;border-radius:10px;font-size:13px;font-weight:600;opacity:0;pointer-events:none;
  transition:.25s;z-index:200;}
.toast.show{opacity:1;transform:translate(-50%,0);}