:root {
    --bg: #0f1419;
    --panel: #1a212b;
    --panel-2: #222c38;
    --line: #2c3744;
    --text: #e6edf3;
    --muted: #8b97a5;
    --accent: #3b82f6;
    --ok: #22c55e;
    --warn: #f59e0b;
    --danger: #ef4444;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
}
.muted { color: var(--muted); }
.hidden { display: none !important; }

/* layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 230px; background: var(--panel); border-right: 1px solid var(--line);
    display: flex; flex-direction: column; padding: 18px 14px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand .logo { color: var(--accent); font-size: 20px; }
.brand.big { font-size: 24px; margin-bottom: 6px; }
.sidebar nav { margin-top: 28px; display: flex; flex-direction: column; gap: 4px; }
.sidebar nav a {
    color: var(--muted); text-decoration: none; padding: 10px 12px;
    border-radius: 8px; display: flex; align-items: center; gap: 10px; font-size: 14px;
}
.sidebar nav a:hover { background: var(--panel-2); color: var(--text); }
.sidebar nav a.active { background: var(--accent); color: #fff; }
.subnav { display: flex; flex-direction: column; margin: 2px 0 6px 0; }
.subnav a { color: var(--muted); text-decoration: none; font-size: 13px;
    padding: 7px 12px 7px 36px; border-radius: 8px; }
.subnav a:hover { background: var(--panel-2); color: var(--text); }
.subnav a.active { background: var(--accent); color: #fff; }
.sidebar-foot { margin-top: auto; font-size: 13px; }
.sidebar-foot .user { color: var(--text); margin-bottom: 8px; }
.sidebar-foot .logout { color: var(--muted); text-decoration: none; }
.content { flex: 1; display: flex; flex-direction: column; }
.topbar { padding: 18px 28px; border-bottom: 1px solid var(--line); }
.topbar h1 { margin: 0; font-size: 20px; }
.page { padding: 24px 28px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 22px; }
.cards3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 22px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head h2 { margin: 0; font-size: 16px; }
.card.stat { text-align: center; }
.stat-num { font-size: 34px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 6px; }
.stat.ok .stat-num { color: var(--ok); }
.stat.warn .stat-num { color: var(--warn); }
.stat.danger .stat-num { color: var(--danger); }

/* table */
.search { background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
    padding: 8px 12px; border-radius: 8px; width: 320px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--panel-2); }
.badge { padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(34,197,94,.15); color: var(--ok); }
.badge.bad { background: rgba(239,68,68,.15); color: var(--danger); }
.badge.warn { background: rgba(245,158,11,.15); color: var(--warn); }

/* buttons */
.btn { background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
    padding: 8px 14px; border-radius: 8px; text-decoration: none; cursor: pointer; font-size: 14px; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.block { display: block; text-align: center; margin-top: 10px; }

/* modal */
.modal { position: fixed; inset: 0; background: var(--bg);
    display: flex; align-items: stretch; justify-content: stretch; z-index: 50; }
.modal-box { background: var(--panel); width: 100vw; height: 100vh;
    border-radius: 0; border: none; display: flex; flex-direction: column; }
.modal-head { display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin: 0; font-size: 18px; }
.modal-close { background: none; border: none; color: var(--muted); font-size: 18px; cursor: pointer; }
.tabs { display: flex; gap: 4px; padding: 10px 16px 0; flex-wrap: wrap; }
.tab { background: none; border: none; color: var(--muted); padding: 8px 12px;
    cursor: pointer; border-bottom: 2px solid transparent; font-size: 14px; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.modal-body { padding: 18px 20px; overflow-y: auto; flex: 1; }
.tabpane { display: none; }
.tabpane.active { display: block; }

/* aplicativos em grade (ocupa largura e altura do modal) */
.apps-head { font-size: 13px; margin-bottom: 10px; }
.apps-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0 28px; }
.app-item { display: flex; justify-content: space-between; gap: 14px; align-items: baseline;
    padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.app-item .app-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* detail lists */
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 6px 16px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.list { font-size: 14px; }
.list .row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line); }
.list a.row { text-decoration: none; color: inherit; cursor: pointer; padding: 8px 6px; }
.list a.row:hover { background: var(--panel-2); }
.perf-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 18px; }
.perf-card { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; text-align: center; }
.perf-card .pc-val { font-size: 18px; font-weight: 700; }
.perf-card .pc-lbl { font-size: 12px; color: var(--muted); margin-top: 4px; }
.perf-card.ok .pc-val { color: var(--ok); }
.perf-card.warn .pc-val { color: var(--warn); }
.perf-card.bad .pc-val { color: var(--danger); }
.modal-body h3 { font-size: 14px; margin: 16px 0 8px; color: var(--muted); }
.ia-out { margin-top: 16px; font-size: 14px; line-height: 1.55;
    background: var(--panel-2); border-radius: 10px; padding: 6px 20px 18px; }
.ia-out:empty { display: none; }
.ia-out h4.ia-sec { color: var(--accent); font-size: 15px; margin: 18px 0 8px;
    padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.ia-out p { margin: 6px 0; }
.ia-out ul.ia-list { margin: 6px 0; padding-left: 20px; }
.ia-out ul.ia-list li { margin: 5px 0; }
.ia-out strong { color: var(--text); }
.ia-actions { display: flex; gap: 10px; }
.perf-actions { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; font-size: 13px; }
.ia-meta { margin-top: 10px; font-size: 12px; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.btn.danger { background: rgba(239,68,68,.15); border-color: var(--danger); color: var(--danger); }
.err-card { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
    padding: 14px 16px; margin-bottom: 12px; border-left-width: 4px; }
.err-card.hardware { border-left-color: var(--danger); }
.err-card.software { border-left-color: var(--warn); }
.err-card .err-title { font-weight: 700; font-size: 15px; margin-bottom: 10px; }
.err-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 10px 24px; }
.err-grid > div { display: flex; flex-direction: column; gap: 2px; font-size: 13px; }
.err-grid .ek { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; }
.err-raw { margin-top: 10px; font-size: 12.5px; color: var(--muted); }
.err-raw summary { cursor: pointer; }
.err-card .err-meta { font-size: 11.5px; color: var(--muted); margin-top: 10px;
    border-top: 1px solid var(--line); padding-top: 8px; }

/* login */
.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
    padding: 36px; width: 360px; text-align: center; }
.alert { background: var(--panel-2); border-radius: 8px; padding: 10px; margin: 12px 0; font-size: 14px; }
.alert.error { background: rgba(239,68,68,.15); color: var(--danger); }