:root{
  --p:#087f6a;--p2:#0f766e;--bg:#f7f9fc;--card:#fff;--text:#172b26;
  --muted:#64748b;--line:#e5e7eb;--danger:#dc2626;--blue:#2563eb;
  --warn:#d97706;--shadow:0 10px 30px rgba(15,23,42,.07)
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);font-family:Inter,system-ui,-apple-system,"Noto Sans Thai",sans-serif;color:var(--text)}
button,input,select,textarea{font:inherit}.hidden{display:none!important}
.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top right,#d1fae5,transparent 36%),var(--bg)}
.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.brand{display:flex;gap:12px;align-items:center}.brand-logo,.logo{display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--p),#14b8a6)}
.brand-logo{width:48px;height:48px;border-radius:15px;font-size:24px}.brand h1{font-size:20px;margin:0}.brand small,.muted{color:var(--muted)}
.field{margin:14px 0}.field label{font-size:12px;font-weight:800;color:#475569;display:block;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid #cfd8e3;border-radius:12px;background:#fff;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--p);box-shadow:0 0 0 3px #087f6a17}
.btn{border:0;border-radius:11px;padding:10px 14px;background:var(--p);color:#fff;font-weight:800;cursor:pointer}
.btn:hover{filter:brightness(.97)}.btn.secondary{background:#e8f5f2;color:var(--p)}.btn.ghost{background:#fff;color:#475569;border:1px solid var(--line)}.btn.small{padding:7px 9px;font-size:12px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.app{min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:250px;background:#fff;border-right:1px solid var(--line);padding:18px 12px;overflow:auto;z-index:20}
.side-brand{padding:4px 9px 18px;display:flex;align-items:center;gap:10px}.logo{width:40px;height:40px;border-radius:13px}
.side-brand b{display:block}.side-brand small{color:var(--muted)}.nav-group{font-size:10px;color:#94a3b8;text-transform:uppercase;font-weight:900;padding:12px 10px 6px}
.nav-btn{width:100%;border:0;background:transparent;text-align:left;padding:10px 11px;border-radius:10px;color:#475569;cursor:pointer;margin:2px 0}
.nav-btn:hover,.nav-btn.active{background:#eaf7f3;color:var(--p);font-weight:800}
.main{margin-left:250px;min-height:100vh}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:10}
.user-chip{display:flex;align-items:center;gap:9px}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#e8f5f2;color:var(--p);font-weight:900}
.workspace{padding:22px;max-width:1400px;margin:0 auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}
.page-head h2{margin:0 0 4px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.grid{display:grid;gap:14px}.grid.kpi{grid-template-columns:repeat(5,minmax(0,1fr))}.kpi-card .num{font-size:30px;font-weight:900;margin:7px 0}.kpi-card small{color:var(--muted)}
.toolbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:14px}.toolbar .field{margin:0}.grow{flex:1;min-width:220px}
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin:8px 0 14px}.tab{border:0;background:transparent;padding:10px 12px;cursor:pointer;color:var(--muted);font-weight:800;border-bottom:3px solid transparent}
.tab.active{color:var(--p);border-bottom-color:var(--p)}
.ticket{background:#fff;border:1px solid var(--line);border-radius:15px;padding:15px;margin:10px 0;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}
.ticket h4{margin:0 0 6px}.ticket-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.meta-line{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;padding:4px 8px;border-radius:999px;background:#eef2f7;font-size:11px;font-weight:800}.pill.blue{background:#eaf2ff;color:#1d4ed8}.pill.green{background:#eaf8f0;color:#15803d}.pill.orange{background:#fff3e7;color:#b45309}
.empty{text-align:center;color:var(--muted);padding:30px}.busy{position:fixed;inset:0;background:#0f172a22;display:grid;place-items:center;z-index:100}.busy-box{background:#fff;border-radius:16px;padding:18px 22px;box-shadow:var(--shadow)}
.toast{position:fixed;right:18px;bottom:18px;max-width:420px;background:#172b26;color:#fff;padding:12px 15px;border-radius:12px;box-shadow:var(--shadow);z-index:120;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:none}.modal{position:fixed;inset:0;background:#0f172a55;display:grid;place-items:center;padding:20px;z-index:90}.modal-box{width:min(560px,100%);background:#fff;border-radius:20px;padding:20px;box-shadow:var(--shadow)}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal-head h3{margin:0}
.note{padding:11px 12px;border-radius:12px;background:#eff8f6;color:#0f766e;font-size:13px}
.sync{font-size:11px;color:var(--muted);margin-top:6px}
@media(max-width:900px){.sidebar{width:210px}.main{margin-left:210px}.grid.kpi{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.sidebar{position:static;width:auto;border-right:0;border-bottom:1px solid var(--line)}.main{margin-left:0}.topbar{position:static}.grid.kpi{grid-template-columns:1fr 1fr}.ticket{grid-template-columns:1fr}.ticket-actions{justify-content:flex-start}.workspace{padding:14px}}