:root{
  --bg:#f5f7f8;--panel:#fff;--ink:#14212b;--muted:#5d6b76;--line:#e3e8ec;--soft:#eef3f5;
  --brand:#0f766e;--brand-ink:#fff;--brand-soft:#e3f3f1;
  --red:#c62828;--red-soft:#fdecec;--amber:#b45309;--amber-soft:#fdf3e1;--green:#15803d;--green-soft:#e7f6ec;
  --blue:#1d4ed8;--blue-soft:#e8eefc;--purple:#6d28d9;--purple-soft:#f1eafd;--gray-soft:#eef0f2;
  --radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif}
a{color:var(--brand);text-decoration:none}
h1,h2,h3{margin:0;line-height:1.25}
h1{font-size:22px}h2{font-size:17px}h3{font-size:15px}
button,input,select,textarea{font:inherit;color:inherit}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;cursor:pointer;font-weight:500;white-space:nowrap}
.btn:hover{background:var(--soft)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--red);border-color:#f2c4c4}
.btn.sm{padding:5px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}
label{display:block;font-weight:600;font-size:13px;margin:0 0 4px}
.field{margin-bottom:14px}
.hint{color:var(--muted);font-size:12.5px}
.muted{color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grow{flex:1}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* layout */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:#0e2a2f;color:#cfe3e1;padding:18px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.logo{display:flex;gap:10px;align-items:center;color:#fff;font-weight:700;padding:4px 8px 18px}
.logo .mark{width:30px;height:30px;border-radius:8px;background:var(--brand);display:grid;place-items:center}
.logo small{display:block;font-weight:400;color:#8fb3af;font-size:11.5px}
.nav a{display:flex;gap:10px;align-items:center;color:#cfe3e1;padding:9px 10px;border-radius:8px;margin-bottom:2px}
.nav a:hover{background:rgba(255,255,255,.06)}
.nav a.on{background:rgba(255,255,255,.12);color:#fff}
.nav svg{width:18px;height:18px;opacity:.9}
.side .me{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding:12px 8px 0;font-size:13px}
.side .me b{color:#fff;display:block}
.side .me a{color:#8fd3c9;cursor:pointer}
.main{padding:24px 28px;min-width:0}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .pad{padding:16px 18px}
.card h2{margin-bottom:12px}
.kpi{padding:14px 16px}
.kpi .n{font-size:28px;font-weight:700;letter-spacing:-.5px}
.kpi .l{color:var(--muted);font-size:12.5px}
.kpi.red .n{color:var(--red)}.kpi.amber .n{color:var(--amber)}.kpi.green .n{color:var(--green)}

/* table */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line);background:#fafbfc}
.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.click{cursor:pointer}
.tbl tr.click:hover td{background:#f8fbfb}
.tbl .code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;color:var(--muted)}
.scroll{overflow-x:auto}

/* badges */
.b{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--gray-soft);color:#3c4852;white-space:nowrap}
.b.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.s-Open{background:var(--blue-soft);color:var(--blue)}
.s-Assigned{background:var(--purple-soft);color:var(--purple)}
.s-In.Progress,.s-InProgress{background:var(--amber-soft);color:var(--amber)}
.s-OnHold{background:var(--gray-soft);color:#475569}
.s-Resolved{background:var(--green-soft);color:var(--green)}
.s-Closed{background:#e6ece9;color:#29473b}
.s-Cancelled{background:var(--gray-soft);color:#8a949c;text-decoration:line-through}
.p-Critical{background:var(--red);color:#fff}
.p-High{background:var(--red-soft);color:var(--red)}
.p-Medium{background:var(--amber-soft);color:var(--amber)}
.p-Low{background:var(--gray-soft);color:#475569}
.sla-on_track{background:var(--green-soft);color:var(--green)}
.sla-at_risk{background:var(--amber-soft);color:var(--amber)}
.sla-breached{background:var(--red-soft);color:var(--red)}
.sla-met{background:var(--green-soft);color:var(--green)}
.sla-paused{background:var(--gray-soft);color:#475569}

/* filters */
.filters{display:flex;gap:8px;flex-wrap:wrap;padding:12px;border-bottom:1px solid var(--line)}
.filters input{max-width:260px}
.filters select{width:auto}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{padding:9px 14px;color:var(--muted);border-bottom:2px solid transparent;font-weight:500;white-space:nowrap;cursor:pointer}
.tabs a.on{color:var(--brand);border-color:var(--brand)}

/* detail */
.detail{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:start}
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 10px;font-size:13.5px}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:500}
.steps{display:flex;gap:0;margin:6px 0 4px}
.step{flex:1;text-align:center;position:relative;font-size:12px;color:var(--muted)}
.step::before{content:"";display:block;width:14px;height:14px;border-radius:50%;margin:0 auto 6px;background:#fff;border:2px solid var(--line);position:relative;z-index:1}
.step::after{content:"";position:absolute;top:7px;left:-50%;width:100%;height:2px;background:var(--line)}
.step:first-child::after{display:none}
.step.done{color:var(--ink);font-weight:600}
.step.done::before{background:var(--brand);border-color:var(--brand)}
.step.done::after{background:var(--brand)}
.slabox{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:10px}
.bar{height:6px;background:var(--soft);border-radius:4px;overflow:hidden;margin:6px 0 4px}
.bar i{display:block;height:100%;background:var(--green)}
.bar.at_risk i{background:var(--amber)}.bar.breached i{background:var(--red)}.bar.paused i{background:#94a3b8}
.tl{list-style:none;margin:0;padding:0}
.tl li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.tl li:last-child{border:0}
.tl .ic{flex:none;width:28px;height:28px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-size:13px}
.tl .ic.comment{background:var(--blue-soft)}
.tl .txt{white-space:pre-wrap}
.desc{white-space:pre-wrap;background:#fafbfc;border:1px solid var(--line);border-radius:8px;padding:12px;margin-top:10px}
.stars button{background:none;border:0;font-size:22px;cursor:pointer;color:#d0d5da;padding:0 2px}
.stars button.on{color:#f59e0b}

/* login */
.login{min-height:100vh;display:grid;place-items:center;padding:16px;background:linear-gradient(135deg,#0e2a2f,#0f766e)}
.login .card{width:100%;max-width:380px;padding:28px}
.demo{margin-top:16px;font-size:12.5px;background:var(--soft);border-radius:8px;padding:10px 12px}
.demo code{background:#fff;padding:1px 5px;border-radius:4px;cursor:pointer}

.empty{padding:40px;text-align:center;color:var(--muted)}
#toast{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:50}
#toast div{background:#14212b;color:#fff;padding:10px 14px;border-radius:8px;box-shadow:var(--shadow);max-width:340px}
#toast div.err{background:var(--red)}
.modal-bg{position:fixed;inset:0;background:rgba(15,23,32,.45);display:grid;place-items:center;padding:16px;z-index:40}
.modal{background:#fff;border-radius:12px;width:100%;max-width:480px;max-height:90vh;overflow:auto;padding:22px}
.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:500}
.switch input{width:auto}
.burger{display:none}

@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:240px;z-index:30;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none}
  .burger{display:inline-flex;margin-bottom:12px}
  .main{padding:16px}
  .detail{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g2{grid-template-columns:1fr}
  .hide-m{display:none}
}