:root{--navy:#06285d;--navy2:#031a42;--blue:#1d63ff;--light:#f7f9fd;--card:#fff;--text:#10213f;--muted:#6d7b94;--line:#e6ebf3;--green:#10b981;--orange:#f59e0b;--red:#ef4444;--purple:#8b5cf6}
*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--light);color:var(--text)}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,var(--navy),var(--navy2));color:#fff;padding:18px 14px;display:flex;flex-direction:column;gap:14px}.logo{display:flex;gap:12px;align-items:center;padding:4px 4px 12px}.logo-mark{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle,#10d4ff 1px,transparent 2px);background-size:7px 7px}.logo-title{font-size:26px;font-weight:800}.logo-sub{font-size:9px;opacity:.85;line-height:1.2}.nav{display:flex;flex-direction:column;gap:4px}.nav button{display:flex;align-items:center;gap:10px;border:0;background:transparent;color:#fff;padding:11px 12px;border-radius:9px;text-align:left;cursor:pointer;opacity:.9}.nav button:hover,.nav button.active{background:#1d5ed7;opacity:1}.nav .ico{width:20px;text-align:center}.sidebar-bottom{margin-top:auto;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:12px;font-size:12px}.main{padding:18px;overflow:auto}.topbar{display:flex;align-items:flex-start;gap:18px;margin-bottom:16px}.title-wrap{min-width:320px}h1{font-size:24px;margin:0 0 6px}.subtitle{font-size:12px;color:var(--muted)}.search{margin-left:auto;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:10px 13px;border-radius:10px;min-width:350px;color:var(--muted)}.role-select,.inst-select{background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:10px;color:var(--text)}.top-icons{display:flex;gap:10px;align-items:center}.iconbtn{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px}.avatar{width:38px;height:38px;border-radius:50%;background:#0f2347;color:#fff;display:grid;place-items:center;font-weight:700;position:relative}.avatar:after{content:"";width:9px;height:9px;border-radius:50%;background:var(--green);position:absolute;right:-1px;bottom:1px;border:2px solid #fff}.kpis{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 10px rgba(31,53,93,.04)}.kpi{padding:13px;display:grid;grid-template-columns:42px 1fr;gap:10px;align-items:center}.kicon{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:22px}.klabel{font-size:12px;color:#33415e}.kvalue{font-size:22px;font-weight:800;margin-top:4px}.trend{font-size:11px;color:var(--green);margin-top:4px}.trend.red{color:var(--red)}.content-grid{display:grid;grid-template-columns:1.03fr 1fr;gap:14px}.section{padding:14px}.section-title{display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:800;margin-bottom:12px}.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:11px;background:#eaf1ff;color:#1453d9}.badge.green{background:#e9f9f1;color:#0f9b65}.badge.orange{background:#fff4df;color:#d98200}.badge.red{background:#ffe9e9;color:#dc2f2f}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}label{font-size:11px;color:#34425d;font-weight:700;display:block;margin-bottom:5px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 10px;background:#fff;color:#24324b}textarea{min-height:72px;resize:vertical}.full{grid-column:1/-1}.wizard{display:flex;gap:2px;margin-bottom:14px;overflow:auto}.step{padding:8px 12px;background:#f1f5fb;border:1px solid var(--line);font-size:12px;white-space:nowrap}.step.active{background:#e8f0ff;color:#1453d9;border-color:#8eb3ff}.upload{border:1.5px dashed #7da3f6;border-radius:10px;padding:20px;text-align:center;color:#4064a2;background:#fbfdff;cursor:pointer}.upload input{display:none}.file-row{display:grid;grid-template-columns:1fr 70px 110px 90px;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.progress{height:6px;background:#edf0f5;border-radius:8px;overflow:hidden}.progress i{display:block;height:100%;background:var(--green)}.table{width:100%;border-collapse:collapse;font-size:12px}.table th,.table td{padding:9px 7px;border-bottom:1px solid var(--line);text-align:left}.table th{color:#61708a;font-size:11px}.viewer{height:220px;background:linear-gradient(0deg,rgba(255,255,255,.88),rgba(255,255,255,.88)),repeating-linear-gradient(0deg,#6f7d8b 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,#6f7d8b 0 1px,transparent 1px 22px);border:1px solid var(--line);border-radius:8px;position:relative;overflow:hidden}.blueprint{position:absolute;inset:18px;border:2px solid #7d8a98;background:linear-gradient(90deg,transparent 48%,#7d8a98 49% 51%,transparent 52%),linear-gradient(0deg,transparent 48%,#7d8a98 49% 51%,transparent 52%);opacity:.55}.thumb-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px}.thumb{border:1px solid var(--line);padding:8px;border-radius:8px;font-size:11px}.thumb.selected{border-color:#2d6bff;box-shadow:0 0 0 2px rgba(45,107,255,.08)}.thumb-preview{height:58px;border:1px solid var(--line);border-radius:5px;background:repeating-linear-gradient(0deg,#eef2f7 0 3px,#fff 3px 7px)}.actions{display:flex;gap:10px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 14px;cursor:pointer}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.timeline{display:flex;flex-direction:column;gap:10px}.timeline-item{display:grid;grid-template-columns:10px 110px 1fr;gap:10px;font-size:12px;align-items:center}.dot{width:9px;height:9px;border-radius:50%;background:var(--blue)}.notice{padding:9px 0;border-bottom:1px solid var(--line);font-size:12px}.toast{position:fixed;right:20px;bottom:20px;background:#10213f;color:#fff;border-radius:9px;padding:12px 16px;box-shadow:0 8px 30px rgba(0,0,0,.18);opacity:0;transform:translateY(12px);transition:.25s}.toast.show{opacity:1;transform:translateY(0)}.small-note{font-size:11px;color:var(--muted)}.chart-bars{display:flex;align-items:flex-end;gap:5px;height:120px;padding:10px 0}.chart-bars span{width:100%;background:linear-gradient(180deg,#5da1ff,#2466dd);border-radius:4px 4px 0 0}@media(max-width:1250px){.shell{grid-template-columns:210px 1fr}.kpis{grid-template-columns:repeat(3,1fr)}.content-grid{grid-template-columns:1fr}.search{min-width:240px}.topbar{flex-wrap:wrap}}

.login-shell{min-height:100vh;display:grid;place-items:center;background:
radial-gradient(circle at top left,rgba(29,99,255,.18),transparent 35%),
linear-gradient(135deg,#02183e,#073675)}
.login-card{width:min(980px,92vw);display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border-radius:22px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.login-brand{padding:46px;color:#fff;background:linear-gradient(160deg,#06285d,#0a4e9d);display:flex;flex-direction:column;justify-content:space-between;min-height:540px}
.login-brand .big{font-size:48px;font-weight:900;letter-spacing:1px}.login-brand .tag{opacity:.85;line-height:1.55}.login-form{padding:48px}.login-form h2{font-size:30px;margin:0 0 10px}.login-form p{color:var(--muted);font-size:14px;margin-bottom:24px}.login-form .field{margin:14px 0}.login-form input,.login-form select{padding:13px}.login-btn{width:100%;padding:13px;border:0;border-radius:9px;background:var(--blue);color:#fff;font-weight:800;cursor:pointer;margin-top:8px}
.demo-box{margin-top:18px;padding:13px;background:#f3f7ff;border:1px solid #dce8ff;border-radius:10px;font-size:12px;color:#345}
.page-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.tabbtn{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:8px;cursor:pointer}.tabbtn.active{background:#eaf1ff;border-color:#8eb3ff;color:#1453d9}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mini-card{padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff}.mini-card b{display:block;margin-bottom:6px}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.toolbar input,.toolbar select{max-width:220px}
.status-board{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.status-tile{padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:12px}
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.settings-grid .mini-card{min-height:130px}
.log-table td{font-size:11px}
@media(max-width:900px){.login-card{grid-template-columns:1fr}.login-brand{min-height:auto}.mini-grid,.status-board,.settings-grid{grid-template-columns:1fr}}

.doc-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:14px}
.doc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.doc-card{border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px;cursor:pointer;transition:.18s}
.doc-card:hover,.doc-card.selected{border-color:#2d6bff;box-shadow:0 0 0 2px rgba(45,107,255,.08)}
.doc-thumb{height:92px;border:1px solid var(--line);border-radius:7px;background:#f6f8fc;display:grid;place-items:center;overflow:hidden;margin-bottom:8px}
.doc-thumb img{width:100%;height:100%;object-fit:cover}
.doc-thumb .pdf-icon{font-size:34px}
.preview-box{height:360px;border:1px solid var(--line);border-radius:10px;background:#f7f9fd;display:grid;place-items:center;overflow:hidden}
.preview-box img{width:100%;height:100%;object-fit:contain;background:#fff}
.preview-box iframe{width:100%;height:100%;border:0;background:#fff}
.preview-empty{color:var(--muted);text-align:center;padding:20px}
.doc-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}
.meta-item{padding:9px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:12px}
.log-list{display:flex;flex-direction:column;gap:8px}
.log-row{display:grid;grid-template-columns:145px 170px 1fr;gap:10px;padding:9px;border-bottom:1px solid var(--line);font-size:12px}
@media(max-width:1100px){.doc-layout{grid-template-columns:1fr}.doc-list{grid-template-columns:1fr}}

.doc-modal-backdrop{position:fixed;inset:0;background:rgba(3,15,40,.62);backdrop-filter:blur(3px);display:grid;place-items:center;padding:24px;z-index:9999}
.doc-modal{width:min(1320px,96vw);height:min(820px,92vh);background:#fff;border-radius:16px;box-shadow:0 28px 80px rgba(0,0,0,.34);display:flex;flex-direction:column;overflow:hidden}
.doc-modal-head{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line);background:#fff}
.doc-modal-close{width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer;font-size:18px}
.doc-modal-close:hover{background:#f4f7fb}
.doc-modal-body{display:grid;grid-template-columns:1fr 255px;gap:14px;padding:14px;min-height:0;flex:1;background:#f7f9fd}
.doc-modal-preview{min-height:0;border:1px solid var(--line);border-radius:10px;background:#fff;display:grid;place-items:center;overflow:hidden}
.doc-modal-preview img{width:100%;height:100%;object-fit:contain;background:#fff}
.doc-modal-preview iframe{width:100%;height:100%;border:0;background:#fff}
.doc-modal-side{display:flex;flex-direction:column;gap:9px}
.doc-modal-actions{display:flex;flex-direction:column;gap:8px;margin-top:auto}
.doc-modal-actions .btn{text-align:center;text-decoration:none}
@media(max-width:850px){.doc-modal-body{grid-template-columns:1fr}.doc-modal-side{display:grid;grid-template-columns:repeat(2,1fr)}.doc-modal-actions{grid-column:1/-1;display:flex;flex-direction:row;flex-wrap:wrap}.doc-modal{height:94vh}}

.deepzoom-wrap{height:100%;width:100%;position:relative;background:#eef3f8}
#deepzoomViewer{height:100%;width:100%;background:#eef3f8}
.zoom-note{position:absolute;left:12px;bottom:12px;background:rgba(9,33,73,.85);color:#fff;padding:7px 10px;border-radius:8px;font-size:11px;z-index:5}
.preview-toolbar{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:9px}
.preview-toolbar .btn{padding:7px 10px;font-size:12px}

/* V6.2: deep zoom modal stability fix */
.doc-modal-body>div:first-child{display:flex;flex-direction:column;min-height:0;height:100%}
.doc-modal-preview{display:block!important;flex:1 1 auto!important;height:100%!important;min-height:560px!important;position:relative!important;overflow:hidden!important;background:#eef3f8!important}
.deepzoom-wrap{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;min-height:560px!important;background:#eef3f8!important}
#deepzoomViewer{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;min-height:560px!important;background:#eef3f8!important}
.viewer-fallback{position:absolute;inset:0;display:grid;place-items:center;background:#fff;z-index:1}
.viewer-fallback img{width:100%;height:100%;object-fit:contain}
.viewer-fallback.hidden{display:none}
.zoom-note{z-index:9!important}
.preview-toolbar{align-items:center}
.preview-toolbar .btn{cursor:pointer;text-decoration:none}

.progress i{transition:width .35s ease}
.doc-thumb .pdf-icon{font-size:30px}
.viewer-fallback{position:absolute;inset:0;display:grid;place-items:center;background:#fff;z-index:1}
.viewer-fallback.hidden{display:none}
.viewer-fallback img{width:100%;height:100%;object-fit:contain}

.history-box{border:1px solid var(--line);border-radius:8px;padding:9px;background:#fff;max-height:150px;overflow:auto}
.history-row{display:grid;grid-template-columns:90px 1fr 105px;gap:7px;padding:6px 0;border-bottom:1px solid var(--line);font-size:11px}
.history-row:last-child{border-bottom:0}
.doc-modal-side{overflow:auto;padding-right:2px}