:root{
  --club:#005833; --club-d:#00432a; --club-l:#0a7a48;
  --ink:#13241c; --line:#dfe6e1; --bg:#f3f6f4; --muted:#5b6b62;
  --sb-w:340px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink)}
button{font:inherit;cursor:pointer}
/* class selectors below set display, which outranks the UA [hidden] rule — force it */
[hidden]{display:none!important}

/* ---- login gate ---- */
.gate{position:fixed;inset:0;display:grid;place-items:center;
  background:radial-gradient(1200px 600px at 50% -10%,var(--club-l),var(--club) 55%,var(--club-d))}
.gate-card{background:#fff;border-radius:16px;padding:34px 30px;width:330px;display:flex;flex-direction:column;gap:12px;
  box-shadow:0 24px 60px rgba(0,0,0,.35);text-align:center}
.gate-brand{font-weight:800;font-size:28px;color:var(--club);letter-spacing:-.5px}
.gate-sub{color:var(--muted);font-size:13px;margin-top:-8px;text-transform:uppercase;letter-spacing:2px}
.gate-card input{padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:15px;margin-top:8px}
.gate-card button{background:var(--club);color:#fff;border:0;border-radius:9px;padding:11px;font-weight:600}
.gate-card button:hover{background:var(--club-l)}
.gate-err{color:#c0392b;font-size:13px;min-height:16px;margin:0}

/* ---- shell ---- */
.app{display:flex;flex-direction:column;height:100%;background:var(--bg)}
.bar{height:52px;display:flex;align-items:center;gap:18px;padding:0 16px;background:var(--club);color:#fff;flex:0 0 auto}
.brand{font-weight:800;font-size:18px;letter-spacing:-.3px;display:flex;align-items:center;gap:7px}
.brand-tag{font-size:10px;font-weight:700;background:rgba(255,255,255,.18);padding:2px 6px;border-radius:5px;text-transform:uppercase;letter-spacing:1px}
.tabs{display:flex;gap:4px;flex:1}
.tab{background:transparent;border:0;color:#cfe6da;padding:8px 14px;border-radius:8px;font-weight:600;font-size:14px}
.tab:hover{background:rgba(255,255,255,.12);color:#fff}
.tab.active{background:#fff;color:var(--club)}
.bar-right{display:flex;align-items:center;gap:12px}
.conn{font-size:12px;color:#bfe0cf}
.conn.ok{color:#9be8bf}.conn.bad{color:#ffd2d2}
.ai-toggle{background:rgba(255,255,255,.16);color:#fff;border:0;padding:7px 12px;border-radius:8px;font-weight:600;font-size:13px}
.ai-toggle:hover{background:rgba(255,255,255,.26)}

.main{flex:1;display:flex;min-height:0}
.stage{flex:1;min-width:0;position:relative;background:#fff}
.cc-frame{border:0;width:100%;height:100%;display:block}

/* ---- sidebar ---- */
.sidebar{width:var(--sb-w);flex:0 0 var(--sb-w);background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column}
.sidebar.collapsed{display:none}
.sb-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);font-weight:700;color:var(--club)}
.sb-close{background:none;border:0;font-size:20px;color:var(--muted);line-height:1}
.sb-log{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:90%;padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.45;white-space:pre-wrap}
.msg.bot{background:var(--bg);color:var(--ink);align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:var(--club);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg.step{background:#eaf5ee;border:1px solid #cfe6da;align-self:flex-start;font-size:13px}
.sb-suggest{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
.chip{background:#eef3f0;border:1px solid var(--line);border-radius:999px;padding:6px 11px;font-size:12.5px;color:var(--club);font-weight:600}
.chip:hover{background:#e2ede7}
.sb-form{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line)}
.sb-form input{flex:1;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px}
.sb-form button{background:var(--club);color:#fff;border:0;border-radius:9px;padding:9px 14px;font-weight:600}
.sb-form button:hover{background:var(--club-l)}

@media (max-width:860px){ .sidebar{position:absolute;right:0;top:0;bottom:0;z-index:5;box-shadow:-8px 0 24px rgba(0,0,0,.15)} }