:root{color-scheme:light;--bg:#f4f7fb;--panel:#fff;--text:#172033;--muted:#718096;--line:#e6ebf2;--primary:#5368e9;--success:#1fa971;--danger:#d9534f;--warning:#d98b16;--nav:#19223a}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:14px}
a{color:var(--primary);text-decoration:none}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--nav);color:#d9e1f2;padding:24px 16px}.brand{font-size:20px;font-weight:750;color:white;padding:0 12px 24px}.nav a{display:block;color:#bbc7dc;padding:11px 12px;border-radius:8px;margin:4px 0}.nav a:hover,.nav a.active{background:#2a3655;color:white}
main{min-width:0}.topbar{height:68px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.content{padding:28px;max-width:1500px;margin:auto}.content.wide{max-width:none}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 5px 20px rgba(23,32,51,.04)}.panel-pad{padding:22px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.stat{padding:22px}.stat strong{display:block;font-size:30px;margin-top:8px}.muted{color:var(--muted)}.page-title{font-size:22px;margin:0 0 20px}.file-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.quick-search{display:flex;align-items:center;gap:8px}.quick-search input,.field input{border:1px solid #d8deea;border-radius:8px;padding:10px 12px;background:white;color:var(--text)}.quick-search input{min-width:260px}.visible-filter{gap:7px}.visible-filter::before{content:"";width:14px;height:14px;border:1px solid currentColor;border-radius:2px;background:white}.visible-filter.active::before{content:"✓";display:grid;place-items:center;background:var(--primary);color:white;font-size:11px;line-height:1}.selector-panel{border:1px solid var(--line);border-radius:8px;margin-bottom:18px}.selector-row{display:flex;align-items:flex-start;min-height:46px;border-bottom:1px solid var(--line)}.selector-row:last-child{border-bottom:0}.selector-label{flex:0 0 90px;padding:13px 16px;color:var(--muted);background:#fafbfd;align-self:stretch}.selector-options{display:flex;flex-wrap:wrap;gap:7px;padding:9px 12px}.selector-option{display:inline-flex;align-items:center;padding:4px 9px;border-radius:4px;color:#536078}.selector-option:hover{background:#eef1ff;color:var(--primary)}.selector-option.active{background:var(--primary);color:white}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:7px;padding:8px 12px;font:inherit;cursor:pointer;background:var(--primary);color:white}.btn.secondary{background:white;color:var(--text);border-color:#d8deea}.btn.danger{background:white;color:var(--danger);border-color:#efc5c3}.btn.small{padding:5px 9px;font-size:12px}
table{width:100%;border-collapse:collapse}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;white-space:nowrap}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fafbfd}tr:last-child td{border-bottom:0}.table-wrap{overflow:auto}.select-cell{width:42px;text-align:center}.select-cell input{width:16px;height:16px;cursor:pointer}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#e9edff;color:#4457cc}.badge.read{background:#ddf6ea;color:#128057}.badge.hidden{background:#fff0d8;color:#a5660a}.actions{display:flex;gap:6px;white-space:nowrap}.actions form{display:inline}.batch-actions{display:flex;align-items:center;gap:10px;margin:0 0 12px}.notice{padding:11px 14px;border-radius:8px;background:#e8f6ef;color:#13734f;margin-bottom:16px}.admin-grid{display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:18px}.admin-form{padding:22px}.admin-form h2,.admin-list h2{font-size:18px;margin:0 0 16px}.admin-list{padding:22px}.admin-form .btn{width:100%;padding:11px}
.pagination{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 4px 0}.pagination-links{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:7px}.pagination a,.pagination-links span{padding:7px 10px;border-radius:6px;background:white;border:1px solid var(--line)}.pagination-links .current{background:var(--primary);color:white}.pagination-links .ellipsis{padding-left:3px;padding-right:3px;border-color:transparent;background:transparent}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);padding:32px}.login-card h1{margin:0 0 8px}.field{display:grid;gap:7px;margin:18px 0}.field input{width:100%}.login-card .btn{width:100%;padding:11px}.error{background:#fff0ef;color:#ae322d;border-radius:8px;padding:10px 12px;margin-top:16px}
.logout{margin:0}.empty{text-align:center;color:var(--muted);padding:36px}.filename{white-space:nowrap}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:none}.content{padding:18px}.stats{grid-template-columns:repeat(2,1fr)}.admin-grid{grid-template-columns:1fr}.topbar{padding:0 18px}}@media(max-width:560px){.stats{grid-template-columns:1fr}.file-tools{align-items:stretch;flex-direction:column}.quick-search{flex-wrap:wrap}.quick-search input{min-width:0;flex:1}.selector-row{display:block}.selector-label{display:block;padding:10px 12px}.selector-options{padding:8px}}