:root{
  --bg:#0f1729; --panel:#ffffff; --ink:#1f2937; --muted:#6b7280;
  --line:#e6e9ef; --brand:#1d6cf3; --brand-d:#0f4fd1;
  --ok:#16a34a; --info:#2563eb; --warn:#d97706; --danger:#dc2626;
  --sidebar:#101a2e; --sidebar-ink:#aeb8cc;
  --radius:14px; --shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.05);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Segoe UI",system-ui,-apple-system,"Sarabun",Tahoma,sans-serif;background:#f4f6fb;color:var(--ink);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
h1,h2,h3{margin:0}
small{font-size:.82em}

/* layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:248px;background:var(--sidebar);color:var(--sidebar-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:12px;align-items:center;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.07)}
.brand strong{display:block;color:#fff;font-size:16px}
.brand small{color:var(--sidebar-ink);font-size:11px}
.brand-dot{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#3b82f6,#06b6d4);box-shadow:0 0 0 4px rgba(59,130,246,.15);flex:none}
.nav{display:flex;flex-direction:column;padding:12px 10px;gap:2px}
.nav-link{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--sidebar-ink);font-weight:500}
.nav-link svg{width:18px;height:18px;opacity:.8}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link.active{background:var(--brand);color:#fff}
.nav-link.active svg{opacity:1}
.sidebar-foot{margin-top:auto;padding:14px 18px;font-size:11px;color:#55617a}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar h1{font-size:19px}
.topbar-right{display:flex;align-items:center;gap:14px}
.who{color:var(--muted);font-weight:600}
.content{padding:24px 28px;max-width:1320px;width:100%}
.page-intro{color:var(--muted);margin:0 0 18px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
.grid-2{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-bottom:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}
.card.no-pad{padding:0;overflow:hidden}
.card .card-head.pad{padding:16px 18px 0}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-head h2{font-size:15px}
.muted{color:var(--muted)}
.center{text-align:center}
.link{font-weight:600;font-size:13px}

.kpi .kpi-label{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.kpi .kpi-value{font-size:26px;font-weight:700;margin:6px 0 4px}
.kpi.sm .kpi-value{font-size:20px}
.kpi .kpi-sub{font-size:12px;color:var(--muted)}
.kpi.sm{margin-bottom:0}

/* progress bar */
.bar{height:8px;background:#eef1f6;border-radius:99px;overflow:hidden;margin-top:8px}
.bar span{display:block;height:100%;background:linear-gradient(90deg,#3b82f6,#06b6d4);border-radius:99px}
.bar span.hot{background:linear-gradient(90deg,#f97316,#dc2626)}
.bar-inline{width:90px;display:inline-block;vertical-align:middle;margin-right:6px;margin-top:0}

/* tables */
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.data-table th{font-size:11px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:#fafbfd}
.data-table tbody tr:hover{background:#f8fafc}
.data-table .num{text-align:right}
.mini-table{width:100%;border-collapse:collapse}
.mini-table td{padding:9px 4px;border-bottom:1px solid var(--line)}
.mini-table td.num{text-align:right;font-weight:600}
.mono{font-family:"Cascadia Code",Consolas,monospace}
.small{font-size:12px}

/* badges */
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11px;font-weight:600;border:1px solid transparent}
.badge-ok{background:#e7f6ec;color:#15803d}
.badge-info{background:#e8f0fe;color:#1d4ed8}
.badge-warn{background:#fef3e2;color:#b45309}
.badge-danger{background:#fde8e8;color:#b91c1c}
.badge-muted{background:#eef1f6;color:#586079}
.badge-role{background:#ece9fe;color:#6d28d9}
.dot{display:inline-block;width:8px;height:8px;border-radius:99px;margin-right:5px}
.dot.ok{background:var(--ok)} .dot.info{background:var(--info)}

/* toolbar */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}
.toolbar input,.toolbar select{padding:9px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}
.toolbar input[type=search]{min-width:220px}
.toolbar .inline{display:flex;align-items:center;gap:6px;color:var(--muted)}
.toolbar-info{color:var(--muted);margin-left:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:9px;font:inherit;font-weight:600;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-ghost:hover{background:#f1f5f9}
.btn-block{width:100%;justify-content:center}

/* vessel grid */
.vessel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.vessel-card{display:block;transition:.15s;color:inherit}
.vessel-card:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(16,24,40,.10)}
.vessel-top{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.vessel-icon{width:42px;height:42px;border-radius:11px;background:#e8f0fe;color:var(--brand);display:flex;align-items:center;justify-content:center;flex:none}
.vessel-icon svg{width:22px;height:22px}
.vessel-top h3{font-size:15px}
.vessel-stat{display:flex;justify-content:space-between;margin-bottom:10px;gap:8px}
.vessel-stat>div{display:flex;flex-direction:column}
.vessel-stat span{font-size:11px;color:var(--muted)}
.vessel-stat strong{font-size:13px}
.vessel-pct{font-size:12px;color:var(--muted);margin-top:6px}
.vessel-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}
.vessel-title{font-size:22px}

.notice{display:flex;align-items:center;gap:12px;background:#eef5ff;border:1px solid #cfe0fb;color:#1e40af;padding:13px 16px;border-radius:12px;margin-bottom:16px}
.notice svg{width:22px;height:22px;flex:none}
.notice div{flex:1}
.notice .btn{flex:none}
.notice-ok{background:#eefbf3;border-color:#c7efd5;color:#166534;margin-bottom:0}

.alert-card{border-top:3px solid var(--warn)}
.alert-summary{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.alert-table{font-size:13px}
.alert-table .bar-inline{width:74px}
.alert-warning{background:#fffbeb}
.alert-critical{background:#fff1f2}
.alert-warning:hover{background:#fef3c7!important}
.alert-critical:hover{background:#ffe4e6!important}

.perm-list{display:flex;flex-wrap:wrap;gap:4px;max-width:380px;white-space:normal}
.perm{background:#f1f5f9;border-radius:6px;padding:2px 7px;font-size:11px;color:#475569}

/* login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(1200px 600px at 50% -10%,#1e3a8a,#0f1729)}
.login-card{background:#fff;border-radius:18px;padding:34px 30px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.login-brand{text-align:center;margin-bottom:22px}
.login-brand .brand-dot{margin:0 auto 12px}
.login-brand h1{font-size:20px}
.login-brand p{color:var(--muted);font-size:12px;margin:4px 0 0}
.login-card label{display:block;font-size:13px;font-weight:600;margin-bottom:14px}
.login-card input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:inherit;margin-top:5px}
.login-card .btn{margin-top:6px}
.alert{background:#fde8e8;color:#b91c1c;padding:10px 13px;border-radius:9px;font-size:13px;margin-bottom:16px;text-align:center}

@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}
@media(max-width:720px){.sidebar{display:none}.cards{grid-template-columns:1fr}}