:root{ --bg:#0b0e14; --panel:#12161f; --line:#232a38; --fg:#c8d0e0;
       --accent:#7dd3fc; --accent2:#86efac; --err:#f87171; }
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);overflow:hidden;
  font:15px/1.5 ui-monospace,"JetBrains Mono",Menlo,Consolas,"Noto Sans Thai Mono",monospace}
.hidden{display:none !important}

/* ---- login ---- */
.login{height:100%;display:grid;place-items:center;padding:20px}
.login .card{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:26px 28px;width:min(360px,92vw);display:flex;flex-direction:column;gap:10px}
.logo{margin:0;padding-top:4px;color:var(--accent);font-size:12px;line-height:1.35;white-space:pre;
  overflow:visible}
.lead{color:#7c879b;font-size:13px;margin-bottom:8px}
.login input{background:#0b0e14;color:var(--fg);border:1px solid var(--line);border-radius:7px;
  padding:10px 12px;font:inherit;font-size:14px;outline:none}
.login input:focus{border-color:var(--accent)}
.login button{background:var(--accent);color:#062033;border:0;border-radius:7px;padding:10px;
  font:inherit;font-weight:700;cursor:pointer}
.login button:hover{filter:brightness(1.08)}
.gbtn{display:flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;
  background:#fff;color:#3c4043;border-radius:7px;padding:10px;font-size:14px;font-weight:600;
  font-family:system-ui,"Noto Sans Thai",sans-serif}
.gbtn:hover{filter:brightness(.96)}
.err{color:var(--err);font-size:13px;min-height:18px}

/* ---- terminal ---- */
#app{height:100%;display:flex;position:relative}
#main{flex:1;min-width:0;position:relative}
#term{height:100%;padding:8px 10px}
.xterm-viewport{scrollbar-width:thin;scrollbar-color:#2b3446 transparent;background:transparent !important}
.xterm-viewport::-webkit-scrollbar{width:9px}
.xterm-viewport::-webkit-scrollbar-track{background:transparent}
.xterm-viewport::-webkit-scrollbar-thumb{background:#2b3446;border-radius:5px}

.drop{position:absolute;inset:0;background:rgba(11,14,20,.88);display:grid;place-items:center;
  border:2px dashed var(--accent);z-index:10;color:var(--accent);font-size:16px;text-align:center}

/* ---- แถบผู้ช่วยด้านขวา (วางแบบเดียวกับ Copilot: แชทเต็มแถบ ช่องพิมพ์ติดล่าง) ---- */
#grip{width:5px;flex:0 0 5px;cursor:col-resize;background:transparent;transition:background .15s}
#grip:hover,#grip.drag{background:var(--accent)}
#grip.off{display:none}

#side{width:380px;flex:0 0 380px;min-width:280px;max-width:70vw;background:var(--panel);
  border-left:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;
  font-family:system-ui,"Noto Sans Thai",sans-serif;font-size:13.5px}
#side.off{display:none}

#s-head{display:flex;align-items:center;gap:8px;padding:9px 10px;border-bottom:1px solid var(--line);
  color:#c3cee0;flex:0 0 auto}
#s-head b{font-weight:600}
#s-head small{color:#6b7688;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#s-head button{margin-left:0;background:transparent;border:1px solid var(--line);color:#8a95a8;
  border-radius:6px;padding:3px 8px;font:inherit;font-size:11px;cursor:pointer}
#s-head #s-clear{margin-left:auto}
#s-head button:hover{color:var(--fg);border-color:#3a465c}
.dot{width:8px;height:8px;border-radius:50%;background:#6b7688;flex:0 0 8px}
.dot.ok{background:var(--accent2);box-shadow:0 0 7px rgba(134,239,172,.55)}
.dot.warm{background:var(--accent)}
.dot.bad{background:var(--err)}

#s-log{flex:1;min-height:0;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;
  gap:10px}
.s-hint{color:#7c879b;font-size:12.5px;line-height:1.65}
.s-hint b{display:block;color:#c3cee0;margin-bottom:4px;font-size:13px}
.s-note{display:block;margin-top:9px;color:#5d687a;font-size:11.5px}
.s-note code,#s-foot code{color:var(--accent);background:#0b0e14;padding:1px 5px;border-radius:4px}
.s-eg{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.chip{background:#131a26;border:1px solid var(--line);color:#9fb0c8;border-radius:14px;
  padding:4px 10px;font:inherit;font-size:11.5px;cursor:pointer}
.chip:hover{border-color:var(--accent);color:var(--accent)}

.s-msg{padding:8px 11px;border-radius:10px;white-space:pre-wrap;word-break:break-word;
  line-height:1.6;font-size:13px}
.s-msg.me{background:#1b2839;color:#dbe6f5;align-self:flex-end;max-width:90%;
  border-bottom-right-radius:3px}
.s-msg.ai{background:#0e131c;border:1px solid var(--line);color:var(--fg);
  border-bottom-left-radius:3px}
.s-msg.bad{background:#2a1414;border:1px solid #4b2020;color:#fca5a5}

#s-status{display:flex;align-items:center;gap:8px;padding:6px 12px;color:#8a95a8;font-size:12px;
  border-top:1px solid var(--line)}
#s-status button{margin-left:auto;background:transparent;border:1px solid var(--line);
  color:#8a95a8;border-radius:6px;padding:2px 9px;font:inherit;font-size:11px;cursor:pointer}
#s-status button:hover{color:var(--err);border-color:#4b2020}
.spin{width:11px;height:11px;border:2px solid #2b3446;border-top-color:var(--accent);
  border-radius:50%;animation:sp .7s linear infinite;flex:0 0 11px}
@keyframes sp{to{transform:rotate(360deg)}}

#up-chips{display:flex;flex-wrap:wrap;gap:5px;padding:0 10px}
#up-chips:not(:empty){padding-top:8px}
.upc{display:flex;align-items:center;gap:5px;background:#131a26;border:1px solid var(--line);
  border-radius:13px;padding:3px 9px;font-size:11.5px;color:#9fb0c8;max-width:100%}
.upc .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}
.upc.ok{border-color:#2b4a35}.upc.ok .s{color:var(--accent2)}
.upc.bad{border-color:#4b2020}.upc.bad .s{color:var(--err)}

#s-form{display:flex;align-items:flex-end;gap:6px;padding:8px 10px 4px;flex:0 0 auto}
#s-in{flex:1;resize:none;background:#0b0e14;border:1px solid var(--line);border-radius:9px;
  color:var(--fg);padding:9px 10px;font:inherit;font-size:13px;outline:none;max-height:150px;
  line-height:1.5}
#s-in:focus{border-color:var(--accent)}
#s-form button{flex:0 0 auto;display:grid;place-items:center;width:34px;height:34px;border-radius:9px;
  cursor:pointer;border:1px solid var(--line);background:#131a26;color:#9fb0c8}
#s-form button:hover{color:var(--accent);border-color:var(--accent)}
#s-send{background:var(--accent) !important;color:#062033 !important;border-color:var(--accent) !important}
#s-send:hover{filter:brightness(1.08)}
#s-send:disabled{opacity:.4;cursor:default;filter:none}
#s-foot{padding:2px 12px 9px;color:#5d687a;font-size:11px;text-align:right}

#side.hot{outline:2px dashed var(--accent);outline-offset:-6px}
#side-toggle{position:absolute;top:10px;right:10px;z-index:20;width:28px;height:28px;
  background:var(--panel);border:1px solid var(--line);color:#8a95a8;border-radius:7px;
  cursor:pointer;font-size:15px;line-height:1}
#side-toggle:hover{color:var(--accent);border-color:var(--accent)}

@media (max-width:900px){
  #grip{display:none}
  #side{position:absolute;right:0;top:0;bottom:0;z-index:15;width:min(360px,90vw);flex-basis:auto;
    box-shadow:-16px 0 30px rgba(0,0,0,.5)}
}