:root{ --accent:#7c3aed; --accent2:#22d3ee; --ring:rgba(124,58,237,.35); }
#grb-float-btn{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:linear-gradient(90deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;cursor:pointer;box-shadow:0 14px 30px rgba(2,6,23,.25);z-index:2147483000}
#grb-panel{position:fixed;bottom:90px;right:24px;width:min(520px,96vw);max-height:85vh;height:75vh;border-radius:16px;box-shadow:0 30px 80px rgba(2,6,23,.35);background:#fff;overflow:hidden;z-index:2147483001;display:flex;flex-direction:column}
#grb-panel.hidden{display:none}
.grb-panel-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#f8fafc;border-bottom:1px solid #eef2f7}
#grb-close{border:none;background:#fff;border-radius:8px;padding:6px 10px;cursor:pointer;border:1px solid #e5e7eb}
.grb-logo{width:20px;height:20px;border-radius:999px;background:radial-gradient(circle at 30% 30%, var(--accent2), var(--accent))}

.grb-wrap{max-width:900px;margin:0 auto;padding:10px;height:100%;display:flex}
.grb-wrap.grb-fullpage{max-width:none;width:100%;height:calc(100vh - 40px)}
.grb-card{background:#ffffff;border:1px solid #eef2f7;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;flex:1;min-height:0}
.grb-card-full{height:100%}
.grb-hero{background:radial-gradient(1200px 400px at 50% -60%, rgba(124,58,237,.08), transparent), linear-gradient(180deg,#ffffff, #f8fafc);padding:16px;border-bottom:1px solid #eef2f7;text-align:center}
.grb-orb{width:12px;height:12px;border-radius:999px;background:radial-gradient(circle at 30% 30%, var(--accent2), var(--accent))}
.grb-orb.big{width:38px;height:38px;box-shadow:0 0 40px var(--ring);margin:0 auto 6px}
.grb-hero h1{font-size:20px;margin:6px 0 4px;font-weight:800;color:#0f172a}
.grb-hero h1 span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.grb-sub{color:#64748b;margin:2px 0 8px}

.grb-modes{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.grb-mode{border:none;border-radius:999px;padding:8px 12px;background:#111827;color:#fff;cursor:pointer;box-shadow:0 8px 16px rgba(17,24,39,.15)}
.grb-mode:hover{filter:brightness(1.08)}

.grb-chat{flex:1;overflow:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px;min-height:0}
.grb-msg{display:flex;gap:10px;align-items:flex-start}
.grb-avatar{width:28px;height:28px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:#eef2ff}
.grb-avatar.you{background:#cffafe}
.grb-bubble{padding:10px 12px;border-radius:14px;max-width:80%;line-height:1.5;box-shadow:0 6px 18px rgba(15,23,42,.06)}
.grb-bubble.bot{background:#f8fafc;border:1px solid #eef2f7}
.grb-bubble.you{background:#eef2ff;border:1px solid #e5e7eb}

.grb-attach{display:flex;align-items:center;gap:10px;border-top:1px dashed #e5e7eb;border-bottom:1px dashed #e5e7eb;padding:10px 12px;margin:0 12px;background:#fcfdff;border-radius:10px;flex-wrap:wrap}
.grb-attach.dragover{outline:2px dashed var(--accent);outline-offset:2px;background:#faf5ff}
.grb-attach-btn{border:1px dashed #d1d5db;border-radius:10px;padding:6px 10px;background:#fff;cursor:pointer}
#grb-files{display:none}
.grb-file-list{display:flex;gap:8px;flex-wrap:wrap}
.grb-chip{background:#f1f5f9;border:1px solid #e5e7eb;border-radius:999px;padding:4px 8px;display:flex;gap:6px;align-items:center}
.grb-chip-x{border:none;background:transparent;cursor:pointer}

.grb-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid #eef2f7}
#grb-input{flex:1;border:1px solid #e5e7eb;border-radius:12px;padding:12px 14px}
.grb-send{background:linear-gradient(90deg,var(--accent),var(--accent2));color:white;border:none;border-radius:12px;padding:10px 16px;cursor:pointer;box-shadow:0 10px 18px var(--ring)}

/* Review & Edit */
.grb-review{padding:12px 14px}
.grb-review h3{margin:8px 0 8px;font-size:18px}
.grb-review-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grb-review-grid label{display:flex;flex-direction:column;font-size:13px;color:#334155;gap:6px}
.grb-edit{min-height:70px;border:1px solid #e5e7eb;border-radius:10px;padding:8px 10px;resize:vertical}
.grb-confirm{display:block;margin-top:10px}
.grb-actions{display:flex;justify-content:flex-end;margin-top:10px}
@media (max-width:860px){ .grb-review-grid{grid-template-columns:1fr} }

@media (max-width:768px){
  .grb-wrap{padding:6px}
  .grb-hero h1{font-size:18px}
  #grb-panel{width:96vw;height:82vh;bottom:70px;right:2vw}
}