/* LegalNotebook — courtroom-legible dark UI, iPad-first responsive */
:root{
  --bg:#0e1726; --panel:#16233a; --panel2:#1d2d49; --line:#2b3d5e;
  --text:#eaf0f9; --muted:#9fb0c9; --accent:#3b82f6; --accent2:#2563eb;
  --danger:#ef4444; --ok:#22c55e; --warn:#f59e0b; --yellow:#fde047;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overscroll-behavior:none}
#app{height:100%}
button{font:inherit;cursor:pointer;border:none;border-radius:8px;padding:10px 14px;
  background:var(--panel2);color:var(--text);transition:background .15s}
button:hover{background:#26375a}
button.primary{background:var(--accent)}
button.primary:hover{background:var(--accent2)}
button.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}
button.ghost{background:transparent;border:1px solid var(--line)}
input,textarea,select{font:inherit;background:#0b1424;color:var(--text);
  border:1px solid var(--line);border-radius:8px;padding:10px 12px;width:100%}
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}
a{color:var(--accent)}
.hidden{display:none !important}

/* ---------- Auth ---------- */
.auth-wrap{height:100%;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:30px;width:100%;max-width:400px}
.brand{font-size:26px;font-weight:800;letter-spacing:.5px;margin-bottom:4px}
.brand span{color:var(--accent)}
.sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.auth-card button{width:100%;margin-top:18px}
.switch{text-align:center;margin-top:14px;color:var(--muted);font-size:14px}
.err{color:var(--danger);font-size:14px;margin-top:10px;min-height:18px}

/* ---------- App shell ---------- */
.shell{display:flex;flex-direction:column;height:100%}
.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;
  background:var(--panel);border-bottom:1px solid var(--line);flex:none}
.topbar .brand{font-size:18px;margin:0}
.topbar .spacer{flex:1}
.crumb{color:var(--muted);font-size:14px}
.main{flex:1;display:flex;min-height:0}

/* Case list */
.center{max-width:900px;margin:0 auto;padding:24px;width:100%}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;cursor:pointer}
.card:hover{border-color:var(--accent)}
.card h3{margin:0 0 6px}
.card p{margin:0;color:var(--muted);font-size:13px}
.row{display:flex;align-items:center;gap:10px}
.section-h{display:flex;align-items:center;gap:12px}
.section-h h2{margin:0;font-size:22px}

/* Case workspace: sidebar + viewer */
.sidebar{width:300px;flex:none;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;min-height:0}
.sidebar .head{padding:12px;border-bottom:1px solid var(--line);display:flex;gap:8px}
.sidebar .head button{flex:1;font-size:13px;padding:8px}
.exlist{overflow:auto;flex:1;padding:8px}
.folder-title{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px;
  padding:10px 8px 4px}
.exitem{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;cursor:pointer}
.exitem:hover{background:var(--panel2)}
.exitem.active{background:var(--accent2)}
.exitem .ico{width:24px;text-align:center;flex:none}
.exitem .nm{flex:1;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.exitem .badge{font-size:10px;background:var(--ok);color:#04210f;padding:1px 6px;border-radius:6px}
.tag{font-size:11px;color:var(--muted)}

.viewer-wrap{flex:1;display:flex;flex-direction:column;min-width:0;background:#0a1120}
.toolbar{display:flex;align-items:center;gap:6px;padding:8px 10px;background:var(--panel);
  border-bottom:1px solid var(--line);flex-wrap:wrap;flex:none}
.tool{width:42px;height:42px;display:flex;align-items:center;justify-content:center;
  border-radius:9px;background:var(--panel2);font-size:18px}
.tool.active{background:var(--accent);box-shadow:0 0 0 2px rgba(59,130,246,.4)}
.tool.sep{width:1px;height:28px;background:var(--line);margin:0 4px;pointer-events:none}
.swatch{width:26px;height:26px;border-radius:50%;border:2px solid #fff3;cursor:pointer}
.swatch.active{border-color:#fff}
.canvas-stage{flex:1;position:relative;overflow:auto;display:flex;align-items:flex-start;
  justify-content:center;padding:16px}
.stage-inner{position:relative;margin:auto}
#pdfCanvas,#mediaEl{display:block;max-width:100%;background:#fff;box-shadow:0 6px 30px #0008}
#annoCanvas{position:absolute;left:0;top:0;touch-action:none}
.pagebar{display:flex;align-items:center;gap:10px;justify-content:center;padding:8px;
  background:var(--panel);border-top:1px solid var(--line);flex:none}
.empty{margin:auto;color:var(--muted);text-align:center;padding:40px}

/* Modal */
.modal-bg{position:fixed;inset:0;background:#000a;display:flex;align-items:center;
  justify-content:center;z-index:50;padding:20px}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:24px;width:100%;max-width:460px;max-height:90vh;overflow:auto}
.modal h3{margin:0 0 6px}
.modal .actions{display:flex;gap:10px;margin-top:20px}
.modal .actions button{flex:1}

/* Presentation mode */
.present{position:fixed;inset:0;background:#000;z-index:100;display:flex;
  flex-direction:column;align-items:center;justify-content:center}
.present .stage{flex:1;width:100%;display:flex;align-items:center;justify-content:center;position:relative}
.present img,.present canvas,.present video{max-width:100%;max-height:100%;object-fit:contain}
.present-ctrl{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);
  display:flex;gap:10px;background:#1a1a1ad0;backdrop-filter:blur(6px);
  padding:8px 12px;border-radius:14px;opacity:.25;transition:opacity .2s}
.present-ctrl:hover{opacity:1}
.present .blank{background:#000;position:absolute;inset:0}

/* toast */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);
  background:#000c;border:1px solid var(--line);padding:10px 16px;border-radius:10px;
  z-index:200;font-size:14px}

/* responsive: iPad portrait & phones collapse the sidebar to a drawer */
@media (max-width:820px){
  .sidebar{position:absolute;z-index:30;height:100%;box-shadow:6px 0 30px #000a;
    transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:none}
  .menu-btn{display:flex !important}
}
.menu-btn{display:none}