:root{--bg:#0f172a;--card:#111827;--muted:#94a3b8;--text:#e5e7eb;--accent:#22c55e;}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,Segoe UI,Roboto,Ubuntu,Arial,sans-serif}
.container{max-width:1100px;margin:0 auto;padding:16px}
.topbar{background:#0b1220;border-bottom:1px solid #1f2937}
.topbar .brand{color:#fff;text-decoration:none;font-weight:700;margin-right:20px}
.topbar nav a{color:#cbd5e1;margin:0 8px;text-decoration:none}
.topbar nav a.active{color:#fff;border-bottom:2px solid var(--accent)}
.card{background:var(--card);padding:16px;border-radius:10px;border:1px solid #1f2937;margin:8px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.study h1,h2,h3{margin:8px 0}
blockquote{border-left:3px solid var(--accent);padding-left:12px;color:#d1fae5}
.ref a{color:#a5b4fc}
.ok{background:#064e3b;color:#d1fae5;padding:8px;border-radius:6px;margin:8px 0}
.err{background:#7f1d1d;color:#fee2e2;padding:8px;border-radius:6px;margin:8px 0}
.auth{display:grid;place-items:center;height:100vh}
.auth-card{width:min(420px,90vw)}
.modal{position:fixed;inset:0;background:#0008;display:flex;align-items:center;justify-content:center}
.modal.hidden{display:none}
.modal-content{background:#0b1220;border:1px solid #1f2937;padding:12px;border-radius:10px;max-width:800px;width:95%;max-height:80vh;overflow:auto}
#modal-close{float:right;background:transparent;color:#fff;border:none;font-size:20px;cursor:pointer}
.timeline{display:grid;gap:12px}
.timeline.horizontal{grid-auto-flow:column;overflow:auto;grid-auto-columns:minmax(240px,1fr)}
.btn, button{background:var(--accent);color:#052e16;border:0;padding:8px 12px;border-radius:8px;cursor:pointer}
button.danger{background:#ef4444;color:#fff}
label{display:block;margin:8px 0 4px}
input,select,textarea{width:100%;padding:8px;border:1px solid #1f2937;border-radius:8px;background:#0b1220;color:#e5e7eb}
.tbl{width:100%;border-collapse:collapse;margin-top:12px}
.tbl th,.tbl td{border-bottom:1px solid #1f2937;padding:8px 6px;text-align:left;vertical-align:top}
.block-edit{border:1px dashed #374151;padding:8px;border-radius:8px;margin:8px 0;background:#0b1220}
.block-edit.dragging{opacity:.6;border-color:#22c55e}
.muted{color:var(--muted);font-size:.9em}
.admin-menu a{margin-right:10px}
.row{display:flex;gap:8px;align-items:center;margin:10px 0}
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin:10px 0}
.img-tile{background:#0b1220;border:1px solid #1f2937;border-radius:10px;padding:8px;text-align:left;cursor:pointer}
.img-tile img{width:100%;height:120px;object-fit:cover;border-radius:8px;display:block}
.img-tile.sel{outline:2px solid var(--accent);border-color:var(--accent)}
.img-tile .meta{margin-top:6px}
.img-tile .name{font-size:.85em;color:#e5e7eb}
.img-tile .tags{font-size:.75em;color:var(--muted)}
.modal.hidden{display:none}
.pager{display:flex;gap:10px;align-items:center;justify-content:center;margin:14px 0}
.pager a{color:#e5e7eb;text-decoration:none;border:1px solid #1f2937;padding:6px 10px;border-radius:8px;background:#0b1220}
.badge{
  display:inline-block;
  padding:2px 8px;
  border-radius:12px;
  font-size:0.8em;
  font-weight:bold;
  text-transform:uppercase;
}
.badge.ok{background:#10b981;color:#fff}
.badge.warn{background:#f59e0b;color:#fff}

@media print{.topbar,.print-tools,button,.filters{display:none}body{background:#fff;color:#000}.card{border:0}}