:root{--bg:#0b1020;--panel:#121a2e;--panel2:#18223a;--line:#243050;--text:#e6ebf7;--muted:#8d9ab8;--accent:#4f7cff;--accent2:#6366f1;--ok:#22c55e;--warn:#f59e0b;--bad:#ef4444;--radius:12px;--shadow:0 6px 24px rgba(0,0,0,.28)}
:root[data-theme=light]{--bg:#f3f5fb;--panel:#fff;--panel2:#f1f4fb;--line:#dfe5f2;--text:#1b2440;--muted:#6b7794;--shadow:0 6px 20px rgba(30,50,100,.10)}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text);font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.hidden{display:none!important}
.muted{color:var(--muted)}.small{font-size:12px}
h1,h2,h3,h4{margin:0;font-weight:600}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:80px}
label{display:block;margin:10px 0 4px;font-size:12px;color:var(--muted)}
.btn{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:7px 13px;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#06210f}
.btn.danger{color:var(--bad)}
.btn.sm{padding:4px 9px;font-size:12px}
.btn:disabled{opacity:.5;cursor:default}
.icon-btn{background:none;border:0;font-size:20px;cursor:pointer}
.err{color:var(--bad);min-height:20px;font-size:13px}
/* đăng nhập */
.login{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg)}
.login-card{width:min(340px,90vw);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.login-card .brand-logo{margin:0 auto}
/* khung */
.app{display:grid;grid-template-columns:260px 1fr;height:100vh}
.side{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:auto}
.brand{display:flex;gap:10px;align-items:center;padding:16px}
.brand-logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent2),var(--accent));display:grid;place-items:center;font-weight:700;color:#fff}
nav{padding:0 10px;flex:1}
.nav-group{font-size:11px;letter-spacing:.08em;color:var(--muted);padding:14px 10px 6px;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;color:var(--text);text-decoration:none;cursor:pointer}
.nav-item:hover{background:var(--panel2)}
.nav-item.active{background:rgba(79,124,255,.18);color:var(--accent);font-weight:600}
.nav-item .badge{margin-left:auto;background:var(--bad);color:#fff;border-radius:10px;padding:0 6px;font-size:11px;min-width:18px;text-align:center}
.nav-ico{width:18px;text-align:center}
.team{padding:12px 14px;border-top:1px solid var(--line)}
.team .row{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:8px}
.team .faces{display:flex;gap:6px;flex-wrap:wrap}
.main{display:flex;flex-direction:column;min-width:0;height:100vh}
.top{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--panel)}
.top h1{font-size:18px}.crumb{font-size:10px;letter-spacing:.1em;color:var(--muted)}
.top-right{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.chip{background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:5px 11px;font-size:12px;color:var(--muted)}
.chip.live{color:var(--ok)}.chip.demo{color:var(--warn)}
.btn-chip{cursor:pointer}
.menu-btn{display:none}
.page{flex:1;overflow:auto;padding:20px}
/* thành phần */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:1.4fr 1fr}
.stat .lab{color:var(--muted);font-size:12px;display:flex;justify-content:space-between}
.stat .val{font-size:28px;font-weight:700;margin:4px 0}
.up{color:var(--ok)}.down{color:var(--bad)}
.av{border-radius:50%;display:inline-grid;place-items:center;color:#fff;font-weight:700;position:relative;flex:none}
.av .dot{position:absolute;right:-1px;bottom:-1px;width:10px;height:10px;border-radius:50%;border:2px solid var(--panel)}
.dot.working{background:var(--ok);animation:pulse 1.2s infinite}.dot.waiting{background:var(--warn)}.dot.idle{background:#94a3b8}.dot.off{background:#475569}
@keyframes pulse{50%{opacity:.35}}
.pill{display:inline-block;border-radius:999px;padding:1px 9px;font-size:11px;border:1px solid var(--line);color:var(--muted)}
.pill.working,.pill.running,.pill.done{color:var(--ok);border-color:rgba(34,197,94,.4)}
.pill.waiting,.pill.review,.pill.todo{color:var(--warn);border-color:rgba(245,158,11,.4)}
.pill.failed{color:var(--bad);border-color:rgba(239,68,68,.4)}
.list .it{display:flex;gap:10px;align-items:center;padding:10px;border-radius:10px;cursor:pointer;border:1px solid transparent}
.list .it:hover{background:var(--panel2)}.list .it.sel{background:var(--panel2);border-color:var(--accent)}
.it .grow{flex:1;min-width:0}.ell{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row{display:flex;gap:10px;align-items:center}.wrap{flex-wrap:wrap}.between{justify-content:space-between}
.gap{gap:14px}.mt{margin-top:14px}.mb{margin-bottom:14px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:14px 0;flex-wrap:wrap}
.tab{padding:8px 12px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}
.tab.active{color:var(--accent);border-color:var(--accent);font-weight:600}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.fchip{padding:4px 11px;border-radius:999px;border:1px solid var(--line);cursor:pointer;background:var(--panel);font-size:12px}
.fchip.active{background:var(--accent);border-color:var(--accent);color:#fff}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 14px}.kv>div:nth-child(odd){color:var(--muted)}
.md{white-space:pre-wrap;word-break:break-word}.md h3,.md h4{margin:8px 0 2px}.md pre{background:var(--panel2);padding:10px;border-radius:8px;overflow:auto;margin:6px 0}
.md code{background:var(--panel2);padding:1px 5px;border-radius:5px}.md .li{padding-left:12px}
.empty{color:var(--muted);text-align:center;padding:30px}
/* chat */
.chat{display:flex;flex-direction:column;height:calc(100vh - 150px);min-height:420px}
.msgs{flex:1;overflow:auto;padding:6px 2px;display:flex;flex-direction:column;gap:10px}
.msg{display:flex;gap:10px;max-width:86%}.msg.me{align-self:flex-end;flex-direction:row-reverse}
.bubble{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:9px 13px}
.msg.me .bubble{background:var(--accent);border-color:var(--accent);color:#fff}
.who{font-size:11px;color:var(--muted);margin-bottom:2px}
.composer{display:flex;gap:8px;padding-top:10px}.composer textarea{min-height:44px;height:44px}
.typing{color:var(--muted);font-style:italic;padding-left:46px}
/* văn phòng */
.office{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:radial-gradient(circle at 50% 40%,#1b2540,#0d1325)}
.office svg{display:block;width:100%;height:auto;max-height:calc(100vh - 150px)}
.ov{position:absolute;background:rgba(13,19,37,.86);color:#e6ebf7;border:1px solid #2a3860;border-radius:12px;padding:10px 12px;font-size:12px;backdrop-filter:blur(4px)}
.ov-top{top:12px;left:12px;display:flex;gap:10px;flex-wrap:wrap;background:none;border:0;padding:0}
.ov-stat{background:rgba(13,19,37,.86);border:1px solid #2a3860;border-radius:11px;padding:8px 12px;min-width:112px}
.ov-stat b{display:block;font-size:20px}.ov-stat span{color:#9fb0d6;font-size:11px}
.ov-left{left:12px;bottom:12px;width:min(330px,44%)}.ov-right{right:12px;bottom:12px;width:min(300px,42%)}
.steps{display:flex;justify-content:space-between;margin-top:8px}
.step{text-align:center;flex:1;color:#7c8bb0;font-size:11px}.step i{display:block;width:20px;height:20px;border-radius:50%;margin:0 auto 3px;background:#26335a}
.step.on{color:#e6ebf7}.step.on i{background:var(--accent)}
.act-it{display:flex;gap:8px;padding:3px 0;color:#c9d4ef}.act-it time{color:#7c8bb0;flex:none}
.tag{cursor:pointer}.tag:hover rect.bg{stroke:#7aa2ff}
.working .body{animation:bob .55s ease-in-out infinite alternate;transform-box:fill-box;transform-origin:center}
@keyframes bob{to{transform:translateY(-2px)}}
.working .screen{animation:flick 1.4s infinite}
@keyframes flick{50%{opacity:.7}}
.ring{animation:none}.working .ring{animation:ringp 1.6s ease-in-out infinite}
@keyframes ringp{50%{opacity:.55}}
/* hộp thoại */
.modal{position:fixed;inset:0;background:rgba(5,8,18,.62);display:grid;place-items:center;z-index:50;padding:16px}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;width:min(720px,100%);max-height:90vh;overflow:auto;padding:20px;box-shadow:var(--shadow)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line);padding:9px 16px;border-radius:10px;z-index:60;box-shadow:var(--shadow)}
.bars{display:flex;align-items:flex-end;gap:5px;height:170px;margin-top:10px}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;min-width:0}.bar i{display:block;background:var(--accent);border-radius:3px 3px 0 0}.bar i.o{background:#38bdf8;border-radius:0}
.bar span{font-size:10px;color:var(--muted);text-align:center;margin-top:3px}
@media(max-width:900px){
  .app{grid-template-columns:1fr}.side{position:fixed;inset:0 auto 0 0;width:260px;z-index:40;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none}.menu-btn{display:block}.g4,.g3,.g2{grid-template-columns:1fr 1fr}
  .top-right .chip:not(#modeChip){display:none}.page{padding:12px}
  .ov-left,.ov-right{display:none}.ov-top{position:static;padding:10px}.ov-top .ov-stat{flex:1 1 40%}.kv{grid-template-columns:1fr}.chat{height:calc(100vh - 170px)}
}
@media(max-width:560px){.g4,.g3,.g2{grid-template-columns:1fr}}
.tagc{background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:0 7px;font-size:11px;color:var(--muted)}
.tagc.req{color:#7aa2ff;border-color:rgba(122,162,255,.4)}
.tagc.tool{color:#34d399;border-color:rgba(52,211,153,.4)}
.tagc.warn{color:var(--warn);border-color:rgba(245,158,11,.5)}