:root{
  --bg:#0b0e14;
  --surface:#141925;
  --surface2:#1c2233;
  --surface3:#252c42;
  --border:#2c3447;
  --border2:#3a4459;
  --text:#f3f5fa;
  --text2:#aab2c5;
  --dim:#6f7891;
  --accent:#3b82f6;
  --accent2:#60a5fa;
  --accent-dim:rgba(59,130,246,.14);
  --note:#fbbf24;
  --note-bg:rgba(251,191,36,.10);
  --note-border:rgba(251,191,36,.35);
  --green:#34d399;
  --green-bg:rgba(52,211,153,.12);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}

/* ===== GATE ===== */
.gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 50% -10%,#161d2e,var(--bg));padding:20px}
.gate-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:40px 34px;width:100%;max-width:380px;text-align:center;
  box-shadow:0 30px 80px rgba(0,0,0,.5)}
.brand{font-weight:700;font-size:26px;letter-spacing:-.5px;
  background:linear-gradient(90deg,#fff,#9fb4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.gate-sub{color:var(--text2);margin:14px 0 22px;font-size:14px}
#gate-form{display:flex;flex-direction:column;gap:12px}
#gate-token{background:var(--surface2);border:1px solid var(--border2);color:var(--text);
  padding:13px 15px;border-radius:10px;font-size:15px;outline:none;text-align:center;letter-spacing:2px}
#gate-token:focus{border-color:var(--accent)}
#gate-form button{background:var(--accent);color:#fff;border:none;padding:13px;border-radius:10px;
  font-weight:600;font-size:15px;transition:.15s}
#gate-form button:hover{background:var(--accent2)}
.gate-err{color:#ff6b81;font-size:13px;margin-top:14px;min-height:18px}

/* ===== TOPBAR ===== */
.app{max-width:920px;margin:0 auto;padding:0 18px 80px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0 14px;flex-wrap:wrap}
.brand-row{display:flex;align-items:baseline;gap:10px}
.brand-row .brand{font-size:21px}
.brand-tag{color:var(--dim);font-size:13px;font-weight:500}
.author-input{background:var(--surface2);border:1px solid var(--border);color:var(--text);
  padding:9px 13px;border-radius:9px;font-size:13px;outline:none;width:230px;max-width:48vw}
.author-input:focus{border-color:var(--accent)}

/* ===== TABS ===== */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:18px}
.tab{background:none;border:none;color:var(--text2);padding:11px 16px;font-size:14px;font-weight:600;
  border-bottom:2px solid transparent;margin-bottom:-1px;transition:.15s}
.tab:hover{color:var(--text)}
.tab.active{color:var(--text);border-bottom-color:var(--accent)}

/* ===== TOOLBAR ===== */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.search{flex:1;min-width:200px;background:var(--surface2);border:1px solid var(--border);color:var(--text);
  padding:11px 14px;border-radius:10px;font-size:14px;outline:none}
.search:focus{border-color:var(--accent)}
.filter{background:var(--surface2);border:1px solid var(--border);color:var(--text);
  padding:11px 12px;border-radius:10px;font-size:14px;outline:none}
.progress{display:flex;align-items:center;gap:10px;width:100%;margin-top:4px}
.progress-bar{flex:1;height:7px;background:var(--surface3);border-radius:99px;overflow:hidden}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),var(--green));transition:width .4s}
.progress-text{color:var(--text2);font-size:12.5px;white-space:nowrap}

/* ===== CLIENT LIST ===== */
.client-list{display:flex;flex-direction:column;gap:8px}
.client{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.client-head{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;user-select:none}
.client-head:hover{background:var(--surface2)}
.client-name{font-weight:600;flex:1}
.client-meta{display:flex;gap:6px;align-items:center}
.chip{font-size:11px;font-weight:600;padding:3px 9px;border-radius:99px;white-space:nowrap}
.chip.open{background:var(--accent-dim);color:var(--accent2)}
.chip.done{background:var(--green-bg);color:var(--green)}
.caret{color:var(--dim);transition:transform .2s;font-size:12px}
.client.open .caret{transform:rotate(90deg)}
.client-body{display:none;padding:4px 16px 16px;border-top:1px solid var(--border)}
.client.open .client-body{display:block}

/* ===== QUESTION BLOCK ===== */
.qgroup-label{font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  color:var(--dim);margin:16px 0 8px}
.q{border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--surface2);overflow:hidden}
.q-head{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;cursor:pointer}
.q-head:hover{background:var(--surface3)}
.q-title{flex:1;font-size:14px}
.q-dot{width:8px;height:8px;border-radius:99px;margin-top:6px;flex-shrink:0;background:var(--dim)}
.q.answered .q-dot{background:var(--note)}
.q-context{display:none;padding:0 14px 12px;color:var(--text2);font-size:13.5px;border-top:1px dashed var(--border)}
.q.expanded .q-context{display:block;padding-top:10px}
.q-context .ctx-label{font-size:11px;font-weight:700;color:var(--dim);text-transform:uppercase;letter-spacing:.4px}

/* answer area always visible */
.q-answer{padding:0 14px 13px}
.answer-existing{background:var(--note-bg);border:1px solid var(--note-border);border-left:3px solid var(--note);
  border-radius:8px;padding:10px 12px;margin-bottom:8px;font-size:13.5px;color:#fde9b8;white-space:pre-wrap}
.answer-existing .ans-meta{display:block;font-size:11px;color:var(--note);opacity:.85;margin-top:6px;font-weight:600}
.answer-row{display:flex;gap:8px;align-items:flex-end}
.answer-input{flex:1;background:var(--surface);border:1px solid var(--border2);color:var(--text);
  padding:10px 12px;border-radius:8px;font-size:13.5px;resize:vertical;min-height:42px;outline:none;line-height:1.5}
.answer-input:focus{border-color:var(--accent)}
.answer-send{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-weight:600;font-size:13px}
.answer-send:hover{background:var(--accent2)}
.answer-send:disabled{opacity:.5;cursor:default}
.answer-hint{font-size:11px;color:var(--dim);margin-top:5px}

/* ===== TRANSVERSAL ===== */
.pane-intro{color:var(--text2);font-size:14px;margin-bottom:16px}
.transversal-list{display:flex;flex-direction:column;gap:14px}
.tcat{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--accent2);
  margin:8px 0 2px}

/* ===== PAGER ===== */
.pager{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px}
.pager-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);
  padding:9px 16px;border-radius:9px;font-size:13px;font-weight:600}
.pager-btn:hover:not(:disabled){background:var(--surface3)}
.pager-btn:disabled{opacity:.4;cursor:default}
.pageinfo{color:var(--text2);font-size:13px}

/* ===== TOAST ===== */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);
  background:var(--surface3);border:1px solid var(--border2);color:var(--text);padding:11px 18px;
  border-radius:10px;font-size:13.5px;box-shadow:0 12px 40px rgba(0,0,0,.5);transition:transform .3s;z-index:50}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.err{border-color:#ff6b81;color:#ffb3bf}

.empty{text-align:center;color:var(--dim);padding:40px;font-size:14px}
@media(max-width:560px){
  .author-input{width:100%;max-width:none}
  .topbar-right{width:100%}
}