:root{--background:#eef1f3;--surface:#fff;--surface-muted:#f6f8f9;--text:#182126;--muted:#586970;--line:#ccd6da;--header:#172329;--header-rail:#26343b;--accent:#006b76;--accent-dark:#004c55;--accent-soft:#dbeff2;--gold:#e1a93a;--danger:#9d3030;--focus:#007e8a}*{box-sizing:border-box}html{background:var(--background);min-width:320px}body{color:var(--text);background:var(--background);margin:0;font-family:Segoe UI,Arial,sans-serif}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid color-mix(in srgb, var(--focus) 45%, transparent);outline-offset:2px}.auth-screen{background:linear-gradient(135deg, #006b760f, transparent 45%), var(--background);place-items:center;min-height:100dvh;padding:24px;display:grid}.login-card{background:var(--surface);border:1px solid var(--line);border-top:5px solid var(--gold);border-radius:6px;gap:18px;width:min(100%,480px);padding:32px;display:grid;box-shadow:0 18px 45px #1821261f}.login-card h1{margin:0;font-size:clamp(1.6rem,4vw,2rem)}.login-card p{color:var(--muted);margin:8px 0 0}.login-card label,.new-folder-form label{color:var(--muted);gap:7px;font-size:.88rem;display:grid}input{border:1px solid var(--line);background:var(--surface);width:100%;min-height:42px;color:var(--text);border-radius:4px;padding:0 12px}select{border:1px solid var(--line);background:var(--surface);min-height:40px;color:var(--text);border-radius:4px;padding:0 10px}.product-mark{color:var(--gold);letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px;font-size:.77rem;font-weight:800;display:block}.form-error{min-height:22px;color:var(--danger)!important}.button{border:1px solid var(--line);background:var(--surface);min-height:40px;color:var(--text);cursor:pointer;border-radius:4px;padding:0 14px;text-decoration:none}.button:hover{border-color:var(--accent)}.button:disabled{cursor:wait;opacity:.6}.primary-button{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700}.secondary-button{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-dark);font-weight:700}.danger-button{border-color:var(--danger);background:var(--danger);color:#fff}.topbar{border-bottom:4px solid var(--gold);background:var(--header);color:#fff;justify-content:space-between;align-items:center;gap:24px;min-height:106px;padding:20px 30px;display:flex}.topbar h1{margin:0;font-size:clamp(1.4rem,3vw,1.9rem)}.session-panel{background:var(--header-rail);text-align:center;border:1px solid #42525a;border-radius:4px;gap:4px;min-width:250px;padding:12px;display:grid}.session-panel span,.session-panel small{color:#c8d3d7}.session-panel form{margin-top:6px}.session-panel .button{width:100%}.main-layout{grid-template-columns:210px 1fr;min-height:calc(100dvh - 110px);display:grid}.sidebar{border-right:1px solid var(--line);background:#f8fafb;padding:20px 14px}.nav-link{color:var(--text);border-radius:4px;padding:11px 12px;text-decoration:none;display:block}.nav-link.active{box-shadow:inset 4px 0 0 var(--accent);background:var(--accent-soft);color:var(--accent-dark);font-weight:700}.workspace{min-width:0;padding:28px 30px 40px}.section-head{margin-bottom:20px}.section-head h2{margin:0;font-size:1.7rem}.section-head p{color:var(--muted);margin:6px 0 0}.notice{background:var(--accent-soft);color:var(--accent-dark);border:1px solid #a9cfd4;border-radius:4px;padding:12px 14px}.error-notice{color:var(--danger);background:#fff2f2;border-color:#dfb0b0}.vault-grid{grid-template-columns:minmax(250px,330px) minmax(0,1fr);gap:18px;display:grid}.panel{border:1px solid var(--line);background:var(--surface);border-radius:6px;min-height:490px;padding:17px;box-shadow:0 10px 24px #1821260f}.panel-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;min-height:45px;padding-bottom:12px;display:flex}.panel-head h3{margin:0;font-size:1rem}.panel-head>div{align-items:center;gap:10px;display:flex}.badge{color:#664800;text-transform:capitalize;background:#fff8e7;border:1px solid #d7b766;border-radius:3px;padding:4px 8px;font-size:.75rem;font-weight:700}.area-list{flex-direction:column;gap:9px;display:flex}.area-button{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--text);text-align:left;cursor:pointer;border-radius:4px;gap:5px;padding:13px;display:grid}.area-button span{color:var(--muted);font-size:.82rem}.area-button small{color:var(--accent-dark);text-transform:capitalize}.area-button.selected{border-color:var(--accent);box-shadow:inset 4px 0 0 var(--accent);background:#fbfefe}.document-toolbar .button{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700}.breadcrumbs{min-height:36px;color:var(--muted);flex-wrap:wrap;align-items:center;padding:8px 0;font-size:.86rem;display:flex}.breadcrumbs button,.text-button,.item-open{color:var(--accent-dark);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:none}.breadcrumbs button:hover,.text-button:hover{text-decoration:underline}.new-folder-form{border:1px solid var(--line);background:var(--surface-muted);border-radius:4px;grid-template-columns:minmax(170px,320px) auto;align-items:end;gap:10px;padding:12px;display:grid}.items{gap:9px;margin-top:14px;display:grid}.item{border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:4px;justify-content:space-between;align-items:center;gap:16px;min-height:68px;padding:12px 14px;display:flex}.folder-item{border-left-color:#b27d17}.item strong,.item span{overflow-wrap:anywhere;display:block}.item span{color:var(--muted);margin-top:5px;font-size:.82rem}.item-open{color:var(--text);text-align:left;flex:1}.item-actions{align-items:center;gap:14px;display:flex}.text-button{font-size:.88rem}.danger{color:var(--danger)}.empty-state{min-height:160px;color:var(--muted);text-align:center;place-items:center;display:grid}.dialog-backdrop{z-index:50;background:#0a1216b8;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.dialog{border-top:4px solid var(--gold);background:var(--surface);border-radius:6px;width:min(100%,440px);padding:24px;box-shadow:0 25px 60px #00000059}.dialog h2{margin:0 0 14px}.dialog p{overflow-wrap:anywhere}.muted{color:var(--muted)}.dialog-actions{justify-content:flex-end;gap:10px;margin-top:22px;display:flex}.management-form{border:1px solid var(--line);background:var(--surface-muted);border-radius:4px;grid-template-columns:repeat(2,minmax(180px,1fr)) auto;align-items:end;gap:12px;margin-bottom:18px;padding:14px;display:grid}.management-form label{color:var(--muted);gap:6px;font-size:.86rem;display:grid}.management-list{gap:14px;display:grid}.management-card{border:1px solid var(--line);border-left:4px solid var(--accent);background:var(--surface);border-radius:5px;padding:18px}.management-title{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.management-title h3,.management-title p{margin:0}.management-title p{color:var(--muted);margin-top:5px}.permission-list{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;display:grid}.permission-list label{border:1px solid var(--line);border-radius:4px;grid-template-columns:1fr 110px;align-items:center;gap:10px;padding:9px;display:grid}@media (max-width:850px){.topbar{flex-direction:column;align-items:stretch}.session-panel{min-width:0}.main-layout{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line)}.workspace{padding:20px 16px 34px}.vault-grid{grid-template-columns:1fr}.panel{min-height:auto}}@media (max-width:540px){.topbar{padding:18px 16px}.new-folder-form,.management-form{grid-template-columns:1fr}.item{flex-direction:column;align-items:flex-start}}