:root {
  --ink: #17212b;
  --muted: #68737d;
  --line: #dfe5e8;
  --paper: #f6f8f7;
  --white: #ffffff;
  --navy: #12354a;
  --cyan: #1e9db3;
  --mint: #d9f1e9;
  --green: #2d8a68;
  --amber: #e8a83e;
  --red: #c65b5b;
  --shadow: 0 14px 38px rgba(18, 53, 74, .08);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Georgia, 'Times New Roman', serif; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.app-shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar { background: var(--navy); color: #f2f8f7; padding: 28px 20px; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 11px; padding: 0 10px 42px; }
.brand img { width: 38px; height: 38px; }
.brand strong { font-size: 22px; letter-spacing: .01em; }
.brand small { display: block; color: #a9c4c8; font: 11px Arial, sans-serif; margin-top: 3px; }
.nav-label { color: #80a8ae; font: 10px Arial, sans-serif; letter-spacing: .15em; text-transform: uppercase; padding: 0 12px 10px; }
.nav { display: grid; gap: 5px; }
.nav a { border-radius: 7px; color: #c5d8d8; font: 14px Arial, sans-serif; padding: 12px; display: flex; align-items: center; gap: 11px; }
.nav a:hover, .nav a.active { background: #1e5065; color: white; }
.nav a.active { box-shadow: inset 3px 0 var(--cyan); }
.nav .icon { width: 18px; text-align: center; color: #80d3c1; }
.sidebar-note { margin-top: auto; border-top: 1px solid #2d5a6b; padding: 19px 11px 0; font: 12px/1.55 Arial, sans-serif; color: #a9c4c8; }
.main { padding: 35px clamp(24px, 4vw, 64px); max-width: 1480px; width: 100%; }
.topbar { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 29px; }
.eyebrow { color: var(--cyan); font: 11px Arial, sans-serif; letter-spacing: .15em; text-transform: uppercase; font-weight: 700; }
h1 { font-size: clamp(32px, 4vw, 46px); line-height: 1; margin: 8px 0 10px; font-weight: 500; letter-spacing: -.02em; }
h2 { font-size: 23px; font-weight: 500; margin: 0; }
.subtitle { color: var(--muted); font: 14px/1.5 Arial, sans-serif; margin: 0; }
.user-chip { display: flex; align-items: center; gap: 10px; font: 12px Arial, sans-serif; color: var(--muted); white-space: nowrap; }
.avatar { background: var(--mint); color: var(--green); width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; }
.action { border: 0; border-radius: 5px; background: var(--cyan); color: white; cursor: pointer; padding: 12px 17px; font: 700 12px Arial, sans-serif; }
.action:hover { background: #167e91; }
.grid { display: grid; gap: 18px; }
.stats { grid-template-columns: repeat(4, 1fr); margin-bottom: 25px; }
.panel { background: var(--white); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); }
.stat { padding: 21px; position: relative; overflow: hidden; }
.stat::after { content: ''; position: absolute; width: 70px; height: 70px; right: -20px; bottom: -27px; border: 8px solid var(--mint); border-radius: 50%; }
.stat-label { color: var(--muted); font: 11px Arial, sans-serif; text-transform: uppercase; letter-spacing: .08em; }
.stat-value { display: block; font-size: 33px; margin: 14px 0 4px; }
.stat-detail { color: var(--green); font: 12px Arial, sans-serif; }
.two-col { grid-template-columns: 1.4fr 1fr; }
.panel-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 22px 16px; border-bottom: 1px solid var(--line); }
.panel-body { padding: 21px 22px; }
.text-link { color: var(--cyan); font: 700 12px Arial, sans-serif; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font: 13px Arial, sans-serif; }
th { color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; text-align: left; padding: 13px 22px; background: #fbfcfc; }
td { padding: 16px 22px; border-top: 1px solid var(--line); white-space: nowrap; }
.asset-name { font-family: Georgia, serif; font-size: 14px; }
.asset-id { color: var(--muted); display: block; font-size: 11px; margin-top: 4px; }
.badge { display: inline-block; border-radius: 20px; padding: 5px 9px; font: 11px Arial, sans-serif; }
.badge.ok { color: var(--green); background: var(--mint); }
.badge.warn { color: #96630d; background: #fff0cf; }
.badge.off { color: var(--red); background: #f9e1e1; }
.bar-row { display: grid; grid-template-columns: 115px 1fr 30px; align-items: center; gap: 12px; font: 12px Arial, sans-serif; margin: 17px 0; }
.bar { height: 8px; background: #eaf0ee; border-radius: 10px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--cyan); border-radius: inherit; }
.activity { display: grid; gap: 18px; }
.activity-item { display: grid; grid-template-columns: 30px 1fr; gap: 12px; font: 12px/1.45 Arial, sans-serif; }
.activity-icon { width: 28px; height: 28px; display: grid; place-items: center; background: var(--mint); border-radius: 50%; color: var(--green); }
.activity-item small { display: block; color: var(--muted); margin-top: 4px; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-bottom: 18px; }
.filters { display: flex; gap: 9px; flex-wrap: wrap; }
input, select { border: 1px solid var(--line); border-radius: 5px; background: white; color: var(--ink); padding: 11px 13px; font: 12px Arial, sans-serif; }
input { min-width: 220px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 18px; }
.profile { padding: 26px; }
.profile-mark { width: 68px; height: 68px; border-radius: 12px; background: var(--mint); display: grid; place-items: center; color: var(--green); font-size: 31px; margin-bottom: 18px; }
.profile h2 { margin-bottom: 5px; }
.meta { color: var(--muted); font: 12px Arial, sans-serif; }
.detail-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid var(--line); margin-top: 24px; padding-top: 21px; }
.detail-list dt { color: var(--muted); font: 10px Arial, sans-serif; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.detail-list dd { margin: 0; font: 13px Arial, sans-serif; }
.timeline { display: grid; gap: 0; }
.timeline-item { border-left: 2px solid var(--mint); padding: 0 0 24px 22px; position: relative; font: 13px/1.45 Arial, sans-serif; }
.timeline-item::before { content: ''; position: absolute; width: 8px; height: 8px; background: var(--cyan); border-radius: 50%; left: -5px; top: 3px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-date { color: var(--muted); font-size: 11px; margin-bottom: 5px; }
.maintenance-list { display: grid; gap: 11px; }
.maintenance-card { display: grid; grid-template-columns: 42px 1fr auto; gap: 15px; align-items: center; border: 1px solid var(--line); border-radius: 6px; padding: 16px; }
.maintenance-symbol { width: 42px; height: 42px; display: grid; place-items: center; background: #fff0cf; border-radius: 8px; color: #96630d; font-size: 20px; }
.maintenance-card strong { font: 14px Georgia, serif; }
.maintenance-card p { margin: 5px 0 0; color: var(--muted); font: 11px Arial, sans-serif; }
@media (max-width: 900px) { .app-shell { grid-template-columns: 1fr; } .sidebar { padding: 16px 20px; } .brand { padding-bottom: 18px; } .sidebar-note { display: none; } .nav { display: flex; overflow-x: auto; } .nav-label { display: none; } .nav a { white-space: nowrap; } .main { padding: 28px 20px; } .stats, .two-col, .detail-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .topbar { display: block; } .user-chip { margin-top: 18px; } .stats, .two-col, .detail-grid { grid-template-columns: 1fr; } .toolbar { display: block; } .filters { margin-bottom: 12px; } input { width: 100%; } .maintenance-card { grid-template-columns: 35px 1fr; } .maintenance-card .badge { grid-column: 2; justify-self: start; } }