:root{
  --primary:#1e3a8a;--primary-dark:#172554;--accent:#d97706;
  --bg:#f1f5f9;--card:#fff;--text:#1e293b;--muted:#64748b;--line:#e2e8f0;
  --sidebar:#0f172a;--sidebar-2:#1e293b;
  --radius:12px;--shadow:0 1px 3px rgba(15,23,42,.08),0 6px 20px rgba(15,23,42,.05);
}
*{box-sizing:border-box}
body{font-family:'Sarabun',system-ui,sans-serif;margin:0;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:linear-gradient(135deg,#1e3a8a,#0f172a)}
.login-card{background:#fff;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.4);width:100%;max-width:400px;padding:36px}
.login-card .logo{font-size:44px;text-align:center}
.login-card h1{text-align:center;font-size:20px;margin:8px 0 2px}
.login-card .sub{text-align:center;color:var(--muted);margin-bottom:24px;font-size:14px}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--sidebar);color:#cbd5e1;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar .brand{padding:22px 20px;border-bottom:1px solid #1e293b}
.sidebar .brand b{color:#fff;font-size:17px;display:block}
.sidebar .brand span{font-size:12px;color:#64748b}
.sidebar nav{padding:12px;flex:1;overflow-y:auto}
.sidebar nav a{display:flex;align-items:center;gap:10px;color:#cbd5e1;padding:11px 14px;border-radius:8px;margin-bottom:3px;font-weight:500;transition:.15s}
.sidebar nav a:hover{background:var(--sidebar-2);color:#fff}
.sidebar nav a.active{background:var(--primary);color:#fff}
.sidebar nav a .ic{width:20px;text-align:center}
.sidebar .foot{padding:14px;border-top:1px solid #1e293b;font-size:13px}
.sidebar .foot a{color:#94a3b8}

.main{flex:1;min-width:0}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:16px 28px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:10}
.topbar h1{margin:0;font-size:20px}
.topbar .spacer{margin-left:auto}
.content{padding:28px}

/* Cards / tables */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:22px}
.card h2{margin:0 0 16px;font-size:17px;color:var(--primary)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.stat .n{font-size:32px;font-weight:700;color:var(--primary)}
.stat .l{color:var(--muted);font-size:14px}
.stat.a .n{color:var(--accent)}

table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.4px}
tr:hover td{background:#f8fafc}
.avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;background:#e2e8f0}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:#eff6ff;color:var(--primary)}
.pill.amber{background:#fff7ed;color:var(--accent)}
.pill.gray{background:#f1f5f9;color:var(--muted)}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{margin-bottom:16px}
.field.full{grid-column:1/-1}
label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#334155}
input[type=text],input[type=password],input[type=email],input[type=number],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:14px;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,58,138,.12)}
textarea{min-height:80px;resize:vertical}
.hint{font-size:12px;color:var(--muted);margin-top:4px}

.btn{cursor:pointer;border:none;font-family:inherit;font-weight:600;padding:10px 18px;border-radius:8px;font-size:14px;transition:.15s;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-danger{background:#dc2626;color:#fff}
.btn-danger:hover{background:#b91c1c}
.btn-ghost{background:#f1f5f9;color:var(--text)}
.btn-ghost:hover{background:#e2e8f0}
.btn-sm{padding:6px 12px;font-size:13px}

.actions{display:flex;gap:6px}
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.toolbar .spacer{margin-left:auto}

.alert{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-weight:500}
.alert.success{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}
.alert.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}

.photo-preview{width:90px;height:90px;border-radius:12px;object-fit:cover;background:#e2e8f0;border:1px solid var(--line)}

.embed-box{background:#0f172a;color:#e2e8f0;padding:16px;border-radius:10px;font-family:monospace;font-size:13px;white-space:pre-wrap;word-break:break-all;position:relative}

@media(max-width:820px){
  .sidebar{position:fixed;left:-260px;transition:.2s;z-index:50}
  .sidebar.open{left:0}
  .form-grid{grid-template-columns:1fr}
}

/* ---- Multi-assignment rows (one person, many units) ---- */
.assign-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.assign-row .assign-unit{flex:1 1 auto;min-width:0}
.assign-row .assign-role{flex:0 0 200px}
.assign-row .assign-del{flex:0 0 auto;padding:8px 12px;line-height:1}
@media(max-width:600px){
  .assign-row{flex-wrap:wrap}
  .assign-row .assign-role{flex:1 1 auto}
}

/* ---- Image crop modal ---- */
.crop-modal{display:none;position:fixed;inset:0;background:rgba(15,23,42,.6);z-index:100;align-items:center;justify-content:center;padding:16px}
.crop-modal.open{display:flex}
.crop-dialog{background:#fff;border-radius:16px;padding:22px;max-width:400px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.crop-stage{position:relative;width:320px;max-width:100%;height:320px;margin:0 auto;border-radius:12px;overflow:hidden;background:#0f172a;touch-action:none}
.crop-stage canvas{display:block;cursor:grab}
.crop-stage canvas:active{cursor:grabbing}
.crop-overlay{position:absolute;inset:0;pointer-events:none;box-shadow:0 0 0 1px rgba(255,255,255,.4) inset}
.crop-controls{display:flex;align-items:center;gap:10px;margin:16px 0 6px}
.crop-controls span{font-size:13px;color:var(--muted)}
.crop-controls input[type=range]{flex:1}