/* AgriNovel Assistant v4.0 – Universal Edition */
:root{
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#f3f6f4;
  --primary:#0a3a2d;
  --accent:#22c55e;
  --card:#ffffff;
  --shadow:0 14px 40px rgba(0,0,0,.16);
}
@media (prefers-color-scheme: dark){
  html.agnov4-auto-dark & {
    --bg:#0b1c16;
    --text:#e6f3eb;
    --muted:#0e221b;
    --card:#0f231b;
    --shadow:0 14px 40px rgba(0,0,0,.35);
  }
}
#agnov-assistant-root{position:fixed;z-index:999999;}

/* FAB (mobile) */
.agnov4-fab{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:10px;align-items:center;padding:12px 16px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;box-shadow:var(--shadow)}
.agnov4-fab .dot{width:8px;height:8px;border-radius:50%;background:#86efac;animation:pulse 1.6s infinite}
@keyframes pulse{0%{transform:scale(.8);opacity:.6}50%{transform:scale(1);opacity:1}100%{transform:scale(.8);opacity:.6}}

/* Panel: mobile full, tablet window, desktop side */
.agnov4-panel{position:fixed;background:var(--card);color:var(--text);border-radius:18px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.06);display:none;overflow:hidden}
.agnov4-panel.open{display:block;animation:rise .25s ease-out}
@keyframes rise{from{transform:translateY(10px);opacity:.0}to{transform:translateY(0);opacity:1}}

/* Layout breakpoints */
@media (max-width: 767px){
  .agnov4-panel{left:50%;bottom:84px;transform:translateX(-50%);width:96vw;max-width:720px;max-height:76vh}
}
@media (min-width:768px) and (max-width: 1023px){
  .agnov4-panel{right:16px;bottom:16px;width:min(540px,92vw);height:min(70vh,720px)}
}
@media (min-width:1024px){
  .agnov4-panel{right:24px;top:24px;width:380px;height:86vh} /* desktop side panel */
}

.agnov4-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:linear-gradient(0deg,var(--muted),#fff);border-bottom:1px solid rgba(0,0,0,.06);font-weight:800}
.agnov4-title{display:flex;gap:8px;align-items:center}
.agnov4-title .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.agnov4-close{appearance:none;border:1px solid rgba(0,0,0,.1);background:#fff;border-radius:12px;padding:6px 10px;font-size:20px}

.agnov4-body{padding:10px;max-height:60vh;overflow:auto;background:transparent}
.agnov4-msg{margin:10px 0;display:flex}
.agnov4-msg.user{justify-content:flex-end}
.agnov4-bubble{max-width:82%;padding:12px 14px;border-radius:16px;line-height:1.5}
.agnov4-msg.user .agnov4-bubble{background:var(--primary);color:#fff}
.agnov4-msg.bot .agnov4-bubble{background:var(--muted);color:var(--text);box-shadow:0 2px 10px rgba(0,0,0,.04)}

.agnov4-quick{display:flex;gap:8px;overflow:auto;padding:4px}
.agnov4-quick button{padding:8px 12px;border-radius:999px;border:1px solid rgba(0,0,0,.08);background:#eef7f0;color:#0b3d2e;white-space:nowrap;font-weight:700}

.agnov4-input{display:flex;gap:8px;padding:10px;border-top:1px solid rgba(0,0,0,.06);background:rgba(255,255,255,.96)}
.agnov4-input input{flex:1;padding:12px 14px;border-radius:14px;border:1px solid rgba(0,0,0,.12)}
.agnov4-input button{padding:12px 16px;border-radius:14px;background:var(--primary);color:#fff;border:none;font-weight:700}

/* typing */
.agnov4-typing .dot{width:6px;height:6px;border-radius:50%;background:#333;opacity:.4;display:inline-block;margin-right:4px;animation:blink 1.2s infinite}
.agnov4-typing .dot:nth-child(2){animation-delay:.2s}.agnov4-typing .dot:nth-child(3){animation-delay:.4s}
@keyframes blink{0%{opacity:.2}50%{opacity:1}100%{opacity:.2}}

/* smart link card */
.agnov-readmore{margin-top:8px;padding:10px 12px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:600;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.agnov-readmore a{color:#fff;text-decoration:none}