:root {
  --blue: #0879c9;
  --dark: #071827;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f5f8fb;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { overflow-x: hidden; max-width: 100%; }
body { margin: 0; background: var(--bg); color: var(--dark); font-family: Arial, Helvetica, sans-serif; }
button, input, textarea, select { font: inherit; font-size: 16px; }
.shell { display:grid; grid-template-columns:250px 1fr; min-height:100vh; }
.sidebar { background:#061522; color:#fff; padding:24px 16px; }
.logo { font-size:21px; font-weight:800; letter-spacing:.3px; padding:8px 10px 28px; }
.logo span { color:#42b6ff; }
.nav { display:grid; gap:6px; }
.nav a { color:#b9c8d5; text-decoration:none; padding:12px 13px; border-radius:9px; }
.nav a.active,.nav a:hover { background:#0c2b42; color:#fff; }
.main { min-width:0; }
.topbar { height:72px; background:#fff; border-bottom:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; padding:0 30px; }
.content { padding:28px 30px 50px; max-width:1500px; }
.kicker { color:var(--blue); font-weight:700; font-size:12px; text-transform:uppercase; letter-spacing:1.2px; }
h1 { margin:4px 0 4px; font-size:28px; }
.sub { color:var(--muted); margin:0 0 24px; }
.cards { display:grid; grid-template-columns:repeat(6,minmax(120px,1fr)); gap:14px; margin-bottom:24px; }
.card { background:#fff; border:1px solid var(--line); border-radius:13px; padding:18px; }
.metric { font-size:27px; font-weight:800; margin-top:8px; }
.muted { color:var(--muted); font-size:13px; }
.grid2 { display:grid; grid-template-columns:1.5fr 1fr; gap:18px; min-width:0; }
.grid2 > * { min-width:0; }
.section { background:#fff; border:1px solid var(--line); border-radius:13px; overflow:hidden; min-width:0; }
.sectionHead { padding:16px 18px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; }
.sectionHead h2 { margin:0; font-size:16px; }
.section:has(.table) { overflow:auto; }
.table { width:100%; border-collapse:collapse; }
.table th,.table td { text-align:left; padding:13px 16px; border-bottom:1px solid #eef2f6; font-size:13px; }
.table th { color:var(--muted); font-weight:700; background:#fbfdff; }
.badge { display:inline-flex; align-items:center; padding:5px 9px; border-radius:999px; font-size:11px; font-weight:700; }
.green { background:#dcfce7; color:#166534; }.blue { background:#dbeafe;color:#1d4ed8 }.yellow {background:#fef3c7;color:#92400e}.red{background:#fee2e2;color:#991b1b}.gray{background:#e2e8f0;color:#475569}.brown{background:#f0e1d2;color:#7c4a1e}
.btn { border:0; border-radius:8px; padding:9px 13px; cursor:pointer; font-weight:700; }
.primary { background:var(--blue); color:#fff; }.secondary { background:#eef6fc; color:#075d9a; }
.list { display:grid; }
.item { padding:14px 18px; border-bottom:1px solid #eef2f6; display:flex; gap:12px; align-items:center; }
.avatar { width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#dbeafe;color:#075d9a;font-weight:800; }
.itemMain { flex:1; min-width:0; }.itemMain strong{display:block;font-size:13px}.itemMain span{color:var(--muted);font-size:12px}
.form { display:grid; gap:14px; max-width:760px; }
.form label { font-size:12px; font-weight:700; color:#334155; }
.form input,.form textarea,.form select { width:100%; margin-top:6px; padding:11px 12px; border:1px solid #cbd5e1; border-radius:8px; background:#fff; }
.row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.ticketGrid { display:grid; grid-template-columns:1.6fr .9fr; gap:18px; min-width:0; }
.ticketGrid > * { min-width:0; }
.sideStack, .sideStack > * { min-width:0; }
.chat { padding:18px; min-height:380px; display:grid; align-content:start; gap:10px; }
.msg { max-width:75%; padding:10px 12px; border-radius:10px; background:#f1f5f9; font-size:13px; }
.msg.me { margin-left:auto; background:#e0f2fe; }
.msg small { display:block; color:#64748b; margin-top:4px; }
.photoBox { border:2px dashed #cbd5e1; border-radius:10px; padding:24px; text-align:center; color:#64748b; }
.navToggle,.navClose,.navBack{display:none;border:0;background:transparent;color:inherit;cursor:pointer;padding:10px;margin:-10px;border-radius:8px;align-items:center;justify-content:center}
.navToggle{color:var(--dark)}.navToggle:hover{background:#eef6fc}
.navBack{display:inline-flex;color:var(--dark)}.navBack:hover{background:#eef6fc}
.logo{display:flex;align-items:center;justify-content:space-between}
.navClose{color:#b9c8d5}.navClose:hover{background:#0c2b42;color:#fff}
@media(max-width:1000px){.cards{grid-template-columns:repeat(3,1fr)}.grid2,.ticketGrid{grid-template-columns:1fr}.shell{grid-template-columns:1fr}.sidebar{position:fixed;top:0;left:0;bottom:0;width:250px;max-width:82vw;z-index:30;transform:translateX(-100%);transition:transform .2s ease;overflow-y:auto}.sidebar.open{transform:translateX(0)}.navOverlay{position:fixed;inset:0;background:rgba(7,24,39,.45);z-index:25}.navToggle{display:inline-flex}.navClose{display:inline-flex}}
.topbarLeft{display:flex;align-items:center;gap:10px;min-width:0}
.topbarLeft strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:650px){.content{padding:16px}.topbar{padding:0 14px;height:60px}.cards{grid-template-columns:repeat(2,1fr)}.row{grid-template-columns:1fr}.row .btn{width:100%}.card{padding:14px}.metric{font-size:22px}h1{font-size:22px;overflow-wrap:anywhere}.panelPad{padding:16px}.sidebar{width:82vw}.topbarLeft strong{font-size:14px}.table th,.table td{white-space:nowrap}.msg{max-width:88%}.composer .btn{width:100%}.sub{overflow-wrap:anywhere}}
@media(max-width:420px){.cards{grid-template-columns:1fr}.topActions .muted{display:none}}
.loading{padding:28px;color:var(--muted)}
.empty{padding:24px;color:var(--muted);text-align:center}
.panelPad{padding:20px}
.authPage{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef7fc,#f8fbfd);padding:20px}
.authCard{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 16px 50px rgba(7,24,39,.08)}
.darkLogo{color:var(--dark);padding:0 0 20px}
.authCard h1{margin:0}.authFoot{text-align:center;color:var(--muted);font-size:13px;margin:20px 0 0}.authFoot a{color:var(--blue);font-weight:700}
.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;border-radius:8px;padding:10px 12px;font-size:13px}.success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0;border-radius:8px;padding:10px 12px;font-size:13px}
.topActions{display:flex;align-items:center;gap:14px}.sidebarFoot{margin-top:40px;color:#7f9bad;font-size:12px;padding:0 10px;line-height:1.6}.detailHeader{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.sideStack{display:grid;gap:18px;align-content:start}.sideStack label{font-size:12px;font-weight:700;color:#334155;display:block;margin-bottom:12px}.sideStack select,.sideStack textarea{width:100%;margin-top:6px;padding:10px;border:1px solid #cbd5e1;border-radius:8px}.full{width:100%}.danger{background:#991b1b;color:#fff}.divider{height:1px;background:var(--line);margin:18px 0}.composer{padding:14px 18px;border-top:1px solid var(--line);display:grid;gap:10px}.composer textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px}.photoList{margin-top:16px;display:grid}.photoRow{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #eef2f6;font-size:13px}.toast{position:fixed;right:20px;bottom:20px;background:#071827;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.18);z-index:20}
@media(max-width:650px){.topActions .muted{display:none}.detailHeader{display:block}.detailHeader .badge{margin-top:8px}.table{min-width:720px}.section{overflow:auto}.sectionHead{min-width:0}.authCard{padding:22px}}
.evidenceGrid{margin-top:16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.evidenceItem{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:#334155;font-size:11px}.evidenceThumb{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:10px;border:1px solid var(--line);background:#f1f5f9}.evidencePlaceholder{display:grid;place-items:center;color:#94a3b8;font-size:12px}
.materialForm{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}
.materialForm label{font-size:12px;font-weight:700;color:#334155}
.materialForm input,.materialForm select{width:100%;margin-top:6px;padding:11px 12px;border:1px solid #cbd5e1;border-radius:8px;background:#fff}
.materialsList{display:grid;gap:10px;margin-top:16px}
.materialCard{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#f8fafc;transition:background .15s ease}
.materialCard:hover{background:#f1f5f9}
.materialInfo{display:flex;align-items:center;gap:12px;min-width:0}
.materialIcon{flex-shrink:0;width:36px;height:36px;border-radius:9px;background:#e0f2fe;color:#0369a1;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;letter-spacing:.2px}
.materialQty{flex-shrink:0;font-weight:700;color:#0f172a;background:#eef2f6;padding:5px 12px;border-radius:999px;font-size:12px;white-space:nowrap}
.form input:disabled{background:#f1f5f9;color:var(--muted);cursor:not-allowed}
@media(max-width:650px){.materialForm{grid-template-columns:1fr}}

.chatLayout{display:grid;grid-template-columns:320px 1fr;gap:18px;min-height:620px}.chatPeople{overflow:hidden}.chatWindow{display:flex;flex-direction:column;min-height:620px}.chatSearch{width:100%;box-sizing:border-box;padding:11px 12px;border:1px solid #cbd5e1;border-radius:8px}.personRow{width:100%;border:0;background:#fff;text-align:left;padding:12px 16px;border-bottom:1px solid #eef2f6;display:flex;align-items:center;gap:12px;cursor:pointer}.personRow:hover{background:#f8fafc}.personRow strong{display:block;font-size:13px}.personRow small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.chatMessages{padding:18px;flex:1;overflow:auto;display:grid;align-content:start;gap:10px;background:#fbfdff}.chatEmpty{display:grid;place-items:center;text-align:center;height:100%;padding:30px}.chatEmpty h2{margin:12px 0 4px}@media(max-width:850px){.chatLayout{grid-template-columns:1fr}.chatPeople{max-height:420px}.chatWindow{min-height:560px}}
.notifWrap{position:relative}
.notifBell{position:relative;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;color:#334155}
.notifBell:hover{background:#f1f5f9}
.notifCount{position:absolute;top:-4px;right:-4px;background:#dc2626;color:#fff;font-size:10px;font-weight:800;line-height:1;border-radius:999px;padding:3px 5px;min-width:16px;text-align:center;box-shadow:0 0 0 2px #fff}
.notifPanel{position:absolute;right:0;top:46px;width:320px;max-width:88vw;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px rgba(15,23,42,.16);z-index:30;overflow:hidden}
.notifPanelHead{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
.notifMarkAll{border:0;background:none;color:var(--blue);font-weight:700;font-size:12px;cursor:pointer;padding:0}
.notifList{max-height:360px;overflow:auto}
.notifItem{padding:12px 14px;border-bottom:1px solid #f1f5f9;cursor:pointer}
.notifItem:hover{background:#f8fafc}
.notifItem.unread{background:#eff6ff}
.notifItemTitle{font-weight:700;font-size:13px;color:#0f172a}
.notifItemBody{font-size:12px;color:#64748b;margin-top:2px}
.notifItemTime{font-size:11px;color:#94a3b8;margin-top:6px}
.notifToast{position:fixed;right:20px;bottom:20px;max-width:300px;background:#071827;color:#fff;padding:14px 16px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.22);z-index:40;cursor:pointer}
.notifToastTitle{font-weight:800;font-size:13px}
.notifToastBody{font-size:12px;color:#cbd5e1;margin-top:4px}
@media(max-width:650px){.notifPanel{position:fixed;right:10px;left:10px;top:64px;width:auto}}