:root{--bg: #0F1417;--surface: #161D22;--surface-2: #1D262C;--border: #2A343B;--text: #E7EDF2;--text-muted: #8B98A5;--up: #3ED598;--down: #FF5C6C;--pending: #F4B740;--maintenance: #9B87F5;--unknown: #4B5661;--font-ui: "Inter", system-ui, sans-serif;--font-display: "Space Grotesk", system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-ui)}.app{max-width:1180px;margin:0 auto;padding:28px 24px 64px}.app-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;gap:16px}.app-header h1{font-family:var(--font-display);font-size:28px;font-weight:600;margin:0 0 4px;letter-spacing:-.01em}.app-subtitle{margin:0;color:var(--text-muted);font-size:13px}.header-actions{display:flex;gap:10px}.refresh-btn,.export-btn{background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:9px 16px;border-radius:8px;font-family:var(--font-ui);font-size:13px;cursor:pointer}.refresh-btn:hover{border-color:var(--up)}.refresh-btn:disabled,.export-btn:disabled{opacity:.6;cursor:default}.export-btn{background:transparent;border-color:var(--up);color:var(--up)}.export-btn:hover{background:#3ed5981a}.error-banner{background:#ff5c6c1f;border:1px solid var(--down);color:var(--down);padding:10px 14px;border-radius:8px;margin-bottom:18px;font-size:13px}.filter-bar{display:flex;flex-wrap:wrap;align-items:end;gap:18px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin-bottom:28px}.filter-group{display:flex;flex-direction:column;gap:6px}.filter-group label{font-size:11px;color:var(--text-muted)}.filter-group select,.filter-group input{background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:7px 10px;border-radius:7px;font-family:var(--font-ui);font-size:13px;min-width:160px}.filter-presets{display:flex;gap:6px;margin-left:auto}.filter-presets button{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:7px 12px;border-radius:20px;font-size:12px;cursor:pointer}.filter-presets button:hover{color:var(--text);border-color:var(--text-muted)}.section-title{font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--text-muted);text-transform:none;margin:0 0 12px}.host-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-bottom:32px}.host-card{text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px;cursor:pointer;display:flex;flex-direction:column;gap:8px;font-family:var(--font-ui);color:var(--text);transition:border-color .15s ease}.host-card:hover{border-color:var(--text-muted)}.host-card.is-selected{border-color:var(--up);box-shadow:0 0 0 1px var(--up) inset}.host-card--all{justify-content:center;align-items:flex-start;background:var(--surface-2)}.host-card__top{display:flex;align-items:center;gap:8px}.host-card__name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.host-card__meta{font-size:11px;color:var(--text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.status-dot--up{background:var(--up)}.status-dot--down{background:var(--down)}.status-dot--pending{background:var(--pending)}.status-dot--maintenance{background:var(--maintenance)}.status-dot--unknown{background:var(--unknown)}.heartbeat-bar{display:flex;align-items:stretch;gap:2px;width:100%}.heartbeat-bar--empty{align-items:center;color:var(--text-muted);font-size:12px}.heartbeat-tick{flex:1 1 auto;min-width:2px;border-radius:2px}.host-charts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin-bottom:28px}.host-chart-panel{padding:14px 16px;margin-bottom:0}.host-chart-panel__header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.host-chart-panel__header .panel-title{margin:0;flex:1}.host-chart-panel__uptime{font-family:var(--font-display);font-size:13px;color:var(--text-muted)}.stat-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:20px}.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}.stat-tile--warn{border-color:var(--down)}.stat-tile__value{font-family:var(--font-display);font-size:26px;font-weight:600}.stat-tile__label{font-size:12px;color:var(--text-muted);margin-top:4px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:18px}.panel-title{font-size:13px;font-weight:600;color:var(--text-muted);margin:0 0 14px}.chart-empty{color:var(--text-muted);font-size:13px;padding:24px 0;text-align:center}.events-table{width:100%;border-collapse:collapse;font-size:13px}.events-table th{text-align:left;color:var(--text-muted);font-weight:500;font-size:11px;padding:6px 10px;border-bottom:1px solid var(--border)}.events-table td{padding:8px 10px;border-bottom:1px solid var(--border)}.status-pill{font-size:11px;padding:2px 8px;border-radius:20px;text-transform:capitalize}.status-pill--up{background:#3ed59826;color:var(--up)}.status-pill--down{background:#ff5c6c26;color:var(--down)}.status-pill--pending{background:#f4b74026;color:var(--pending)}.status-pill--maintenance{background:#9b87f526;color:var(--maintenance)}.logout-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:9px 16px;border-radius:8px;font-family:var(--font-ui);font-size:13px;cursor:pointer}.logout-btn:hover{border-color:var(--down);color:var(--down)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}.login-card{width:100%;max-width:340px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:32px 28px;display:flex;flex-direction:column;gap:10px}.login-title{font-family:var(--font-display);font-size:22px;font-weight:600;margin:0 0 2px;color:var(--text)}.login-subtitle{margin:0 0 14px;font-size:13px;color:var(--text-muted)}.login-card label{font-size:12px;color:var(--text-muted);margin-top:6px}.login-card input{background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:8px;font-family:var(--font-ui);font-size:14px}.login-card input:focus{outline:none;border-color:var(--up)}.login-card button{margin-top:16px;background:var(--up);border:none;color:#063620;font-weight:600;padding:11px;border-radius:8px;font-family:var(--font-ui);font-size:14px;cursor:pointer}.login-card button:disabled{opacity:.7;cursor:default}.login-error{background:#ff5c6c1f;border:1px solid var(--down);color:var(--down);padding:8px 10px;border-radius:8px;font-size:12px;margin-top:6px}.app-footer{text-align:center;color:var(--text-muted);font-size:11px;margin-top:32px}@media (max-width: 640px){.filter-bar{flex-direction:column;align-items:stretch}.filter-presets{margin-left:0}}