:root{--p:#0f2942;--p2:#2c5b7a;--acc:#f59e0b;--bg:#eef2f6;--card:#fff;--tx:#14212e;--mu:#64748b;--bd:#dde4ec;--ok:#16a34a;--bad:#dc2626;--warn:#d97706;--me:#d9efff;--r:14px}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,sans-serif;background:var(--bg);color:var(--tx);font-size:15px;-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--p2)}
#app{min-height:100%}
.hide{display:none!important}.mu{color:var(--mu)}.sm{font-size:12.5px}.row{display:flex;align-items:center;gap:8px}.grow{flex:1;min-width:0}.wrap{flex-wrap:wrap}.gap{gap:12px}.right{margin-left:auto}.bold{font-weight:600}
/* khung */
.shell{display:flex;min-height:100vh}
.side{width:220px;background:linear-gradient(180deg,#0f2942,#2c5b7a);color:#fff;display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh}
.side .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;padding:4px 8px 16px}.side .brand img{height:34px}
.nav a{display:flex;align-items:center;gap:10px;color:#cfe0ec;text-decoration:none;padding:10px 12px;border-radius:10px;margin-bottom:2px;position:relative}
.nav a.on{background:rgba(255,255,255,.16);color:#fff}.nav a .ic{font-size:18px;width:22px;text-align:center}
.badge{background:var(--acc);color:#000;border-radius:10px;font-size:11px;font-weight:700;padding:1px 6px;min-width:18px;text-align:center}
.side .foot{margin-top:auto;font-size:12px;color:#9db8cc;padding:8px}
.main{flex:1;min-width:0;padding:18px 20px 90px;max-width:1100px;margin:0 auto;width:100%}
.top{display:none}
.tabbar{display:none}
@media(max-width:820px){
 .side{display:none}.main{padding:12px 12px 84px}
 .top{display:flex;align-items:center;gap:10px;background:linear-gradient(90deg,#0f2942,#2c5b7a);color:#fff;padding:10px 14px;position:sticky;top:0;z-index:20}
 .top img{height:28px}.top .t{font-weight:700;flex:1}
 .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;background:linear-gradient(90deg,#0f2942,#2c5b7a);z-index:30;padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
 .tabbar a{flex:1;text-align:center;color:#b9cfde;text-decoration:none;font-size:11px;position:relative;padding:2px 0}.tabbar a .ic{display:block;font-size:20px}.tabbar a.on{color:#fff;font-weight:700}
 .tabbar .badge{position:absolute;top:-2px;left:55%}
}
/* thành phần */
.card{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:0 1px 3px #0b2a5a14;margin-bottom:12px}
h1{font-size:20px;margin:0 0 12px}h2{font-size:16px;margin:0 0 10px}h3{font-size:14px;margin:0 0 6px}
.btn{border:0;border-radius:10px;padding:10px 16px;background:var(--p);color:#fff;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;justify-content:center}
.btn:disabled{opacity:.5;cursor:default}.btn.sec{background:#e5edf4;color:var(--p)}.btn.acc{background:var(--acc);color:#1b1200}.btn.bad{background:#fee2e2;color:var(--bad)}.btn.sm{padding:6px 10px;font-size:13px;border-radius:8px}.btn.full{width:100%}
label.f{display:block;font-size:13px;font-weight:600;margin:12px 0 4px}
.in,select.in,textarea.in{width:100%;padding:10px 12px;border:1px solid var(--bd);border-radius:10px;background:#fff;outline:none}.in:focus{border-color:var(--p2);box-shadow:0 0 0 3px #2c5b7a22}
textarea.in{min-height:110px;resize:vertical}
.chip{display:inline-flex;align-items:center;gap:4px;border-radius:20px;padding:3px 10px;font-size:12px;font-weight:600;background:#e8eef4;color:var(--p)}
.chip.new{background:#e0ecff;color:#1d4ed8}.chip.seen{background:#e0f2fe;color:#0369a1}.chip.quoting,.chip.quoted{background:#fef3c7;color:#92400e}.chip.confirmed,.chip.making,.chip.shipping{background:#dcfce7;color:#166534}.chip.done{background:#d1fae5;color:#065f46}.chip.cancelled{background:#e5e7eb;color:#4b5563}
.chip.bad{background:#fee2e2;color:var(--bad)}.chip.urgent{background:#ffedd5;color:#c2410c}.chip.ok{background:#dcfce7;color:#166534}
.filters{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:8px}.filters .chip{cursor:pointer;white-space:nowrap;border:1px solid transparent}.filters .chip.on{background:var(--p);color:#fff}
.order{display:block;text-decoration:none;color:inherit;cursor:pointer}.order .t{font-weight:600;margin:4px 0}.order:hover{box-shadow:0 3px 10px #0b2a5a22}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-bottom:12px}.kpi .card{margin:0;text-align:center}.kpi b{display:block;font-size:22px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--bd);margin-bottom:12px}.tabs a{padding:8px 14px;text-decoration:none;color:var(--mu);border-bottom:3px solid transparent;font-weight:600}.tabs a.on{color:var(--p);border-color:var(--acc)}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 12px;font-size:14px}.kv div:nth-child(odd){color:var(--mu)}
.body-text{white-space:pre-wrap;line-height:1.55}.orig{background:#f6f8fa;border-left:3px solid var(--bd);padding:8px 10px;margin-top:8px;border-radius:6px;white-space:pre-wrap;font-size:14px;color:#334155}
.drop{border:2px dashed var(--bd);border-radius:12px;padding:18px;text-align:center;color:var(--mu);cursor:pointer;background:#fafcfe}.drop.over{border-color:var(--acc);background:#fff8e6}
.file{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--bd)}.file:last-child{border:0}.file .ic{font-size:22px}.file.child{margin-left:26px}.file .nm{font-weight:600;word-break:break-all}
.modal{position:fixed;inset:0;background:#0008;z-index:60;display:flex;align-items:flex-end;justify-content:center}
.modal .box{background:#fff;border-radius:16px 16px 0 0;width:100%;max-width:900px;max-height:92vh;overflow:auto;padding:16px}
@media(min-width:821px){.modal{align-items:center}.modal .box{border-radius:16px}}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:700px){.cols{grid-template-columns:1fr}}
.pre{white-space:pre-wrap;background:#f6f8fa;border-radius:8px;padding:10px;font-size:14px;max-height:55vh;overflow:auto}
#toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:6px;align-items:center}
#toast div{background:#0f2942;color:#fff;padding:10px 16px;border-radius:10px;box-shadow:0 4px 14px #0004;max-width:90vw}#toast div.bad{background:var(--bad)}
.login{max-width:400px;margin:8vh auto;padding:0 16px}.login .logo{text-align:center;margin-bottom:12px}.login img{height:70px}
.spin{display:inline-block;width:14px;height:14px;border:2px solid #fff6;border-top-color:#fff;border-radius:50%;animation:sp .8s linear infinite}.sec .spin,.mu .spin{border-color:#0003;border-top-color:var(--p)}@keyframes sp{to{transform:rotate(360deg)}}
/* chat */
.chatbox{display:flex;flex-direction:column;height:calc(100vh - 210px);min-height:380px;background:#e9eef3;border-radius:var(--r);overflow:hidden;position:relative}
.chatbox.full{height:calc(100vh - 120px)}
.msgs{flex:1;overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:6px;scroll-behavior:smooth}
.msg{max-width:82%;position:relative;touch-action:pan-y}.msg.mine{align-self:flex-end}
.bub{background:#fff;border-radius:14px;padding:7px 11px;box-shadow:0 1px 1px #0001;word-break:break-word;transition:transform .12s}.msg.mine .bub{background:var(--me)}
.msg .who{font-size:12px;font-weight:700;color:var(--p2);margin-bottom:2px}.msg .tm{font-size:11px;color:var(--mu);text-align:right;margin-top:2px}
.msg .tr{white-space:pre-wrap}.msg .og{font-size:12.5px;color:#475569;border-top:1px dashed #0002;margin-top:5px;padding-top:4px;white-space:pre-wrap}
.msg .rp{background:#0001;border-left:3px solid var(--acc);border-radius:6px;padding:3px 8px;font-size:12.5px;margin-bottom:4px;cursor:pointer}.msg .rp b{display:block;color:var(--p2)}
.msg.del .bub{font-style:italic;color:var(--mu);background:#f1f4f7}
.reacts{display:flex;gap:4px;flex-wrap:wrap;margin-top:3px}.reacts span{background:#fff;border:1px solid var(--bd);border-radius:12px;padding:0 7px;font-size:13px;cursor:pointer}.reacts span.me{background:#fff3d6;border-color:var(--acc)}
.msg .acts{position:absolute;top:-14px;right:6px;display:none;background:#fff;border-radius:10px;box-shadow:0 2px 8px #0003;padding:2px 4px;gap:2px;z-index:5}.msg.mine .acts{right:auto;left:6px}.msg:hover .acts{display:flex}
.acts button{border:0;background:none;cursor:pointer;font-size:16px;padding:3px 5px;border-radius:6px}.acts button:hover{background:#eef}
.msg .att img{max-width:240px;max-height:240px;border-radius:10px;display:block;cursor:pointer}.msg audio{max-width:240px;height:36px}
.msg .fl{display:flex;gap:8px;align-items:center;background:#0000000d;border-radius:8px;padding:6px 8px;margin-top:4px;text-decoration:none;color:inherit;font-size:14px}
.day{align-self:center;background:#0002;color:#fff;border-radius:10px;font-size:11.5px;padding:2px 10px;margin:6px 0}
.replybar{display:flex;align-items:center;gap:8px;background:#fff;border-left:4px solid var(--acc);padding:6px 10px;font-size:13px}.replybar .grow{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.composer{display:flex;align-items:flex-end;gap:6px;padding:8px;background:#f6f8fa;border-top:1px solid var(--bd)}
.composer textarea{flex:1;border:1px solid var(--bd);border-radius:20px;padding:9px 14px;max-height:120px;min-height:40px;resize:none;outline:none;background:#fff}
.ibtn{width:40px;height:40px;border-radius:50%;border:0;background:#e5edf4;cursor:pointer;font-size:19px;flex:none;display:grid;place-items:center}.ibtn.send{background:var(--p);color:#fff}.ibtn.rec{background:var(--bad);color:#fff;animation:pulse 1.2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px #dc262633}}
.emo{position:absolute;bottom:62px;left:8px;right:8px;max-width:360px;background:#fff;border-radius:12px;box-shadow:0 4px 18px #0004;padding:8px;display:grid;grid-template-columns:repeat(8,1fr);gap:2px;max-height:220px;overflow:auto;z-index:10}
.emo button{border:0;background:none;font-size:22px;cursor:pointer;border-radius:6px}.emo button:hover{background:#eef}
.recbar{display:flex;align-items:center;gap:10px;flex:1;padding:0 8px;color:var(--bad);font-weight:600}
.newpill{position:absolute;bottom:70px;right:14px;background:var(--p);color:#fff;border-radius:20px;padding:6px 12px;font-size:13px;cursor:pointer;box-shadow:0 2px 8px #0005}
.dropov{position:absolute;inset:0;background:#fff8e6e6;border:3px dashed var(--acc);display:grid;place-items:center;font-weight:700;z-index:12}
.notif{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--bd);cursor:pointer}.notif.un .t{font-weight:700}.notif .dot{width:9px;height:9px;border-radius:50%;background:var(--acc);margin-top:6px;flex:none}.notif.rd .dot{background:transparent}
table.tb{width:100%;border-collapse:collapse;font-size:14px}.tb th,.tb td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--bd)}
.btn,.chip,.badge{white-space:nowrap}
@media(max-width:820px){.chatbox{height:calc(100vh - 170px);min-height:420px}.chatbox.full{height:calc(100vh - 140px)}.msg{max-width:90%}.kv{grid-template-columns:110px 1fr}}