:root{--color-bg: #f4f6f8;--color-card: #ffffff;--color-text: #16181d;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-accent: #22c55e;--color-accent-dark: #16a34a;--color-danger: #ef4444;--color-warning: #f59e0b;--radius-lg: 20px;--radius-md: 14px;--shadow-soft: 0 4px 16px rgba(16, 24, 40, .06)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--color-bg: #14151a;--color-card: #1c1e24;--color-text: #eef0f3;--color-text-muted: #8b909c;--color-border: #2a2d35;--shadow-soft: 0 4px 16px rgba(0, 0, 0, .35)}}:root[data-theme=dark]{--color-bg: #14151a;--color-card: #1c1e24;--color-text: #eef0f3;--color-text-muted: #8b909c;--color-border: #2a2d35;--shadow-soft: 0 4px 16px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text)}a{color:inherit}button{font-family:inherit}.app-shell{max-width:560px;margin:0 auto;min-height:100%;padding:16px 16px 88px}.page-title{font-size:22px;font-weight:700;margin:8px 0 16px}.card{background:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);padding:16px;margin-bottom:12px}.card-row{display:flex;align-items:center;justify-content:space-between}.card-row strong{font-weight:600}.muted{color:var(--color-text-muted);font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:var(--radius-md);padding:12px 16px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .1s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-dark)}.btn-danger{background:var(--color-danger);color:#fff}.btn-secondary{background:#eef1f4;color:var(--color-text)}.btn-block{width:100%}.input,select.input,textarea.input{width:100%;padding:12px 14px;border-radius:var(--radius-md);border:1px solid var(--color-border);font-size:15px;background:var(--color-card);color:var(--color-text)}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--color-text-muted)}.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;padding:4px 10px;border-radius:999px}.badge-up{background:#22c55e1f;color:var(--color-accent-dark)}.badge-down{background:#ef44441f;color:var(--color-danger)}.badge-degraded{background:#f59e0b24;color:#b45309}.badge-unknown{background:#6b72801f;color:var(--color-text-muted)}.dot{width:9px;height:9px;border-radius:50%;display:inline-block}.dot-up{background:var(--color-accent)}.dot-down{background:var(--color-danger)}.dot-degraded{background:var(--color-warning)}.dot-unknown{background:#9ca3af}.topbar{display:flex;align-items:center;justify-content:space-between;padding:4px 0 12px}.topbar h1{font-size:20px;margin:0}.nav-tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--color-card);border-top:1px solid var(--color-border);padding:8px 12px calc(8px + env(safe-area-inset-bottom));max-width:560px;margin:0 auto}.nav-tab{flex:1;text-align:center;text-decoration:none;font-size:12px;font-weight:600;color:var(--color-text-muted);padding:8px 4px;border-radius:12px}.nav-tab.active{color:var(--color-accent-dark);background:#22c55e1a}.uptime-bar{display:flex;gap:2px;height:28px;align-items:stretch}.uptime-bar-seg{flex:1;border-radius:3px;min-width:2px}.empty-state{text-align:center;padding:48px 16px;color:var(--color-text-muted)}.spinner-wrap{display:flex;justify-content:center;padding:48px 0}.spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--color-border);border-top-color:var(--color-accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}.stat-tile{background:var(--color-card);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);padding:12px;text-align:center}.stat-tile .value{font-size:20px;font-weight:600}.stat-tile .label{font-size:11px;color:var(--color-text-muted);margin-top:2px}.section-title{font-size:15px;font-weight:500;margin:20px 0 10px}.list-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--color-border);font-size:14px}.list-row:last-child{border-bottom:none}.period-switch{display:flex;gap:6px;margin-bottom:12px}.period-switch button{flex:1;padding:8px;border-radius:10px;border:1px solid var(--color-border);background:var(--color-card);font-size:13px;font-weight:500;color:var(--color-text-muted);cursor:pointer}.period-switch button.active{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.period-switch a{flex:1;padding:8px;border-radius:10px;border:1px solid var(--color-border);background:#fff;font-size:13px;font-weight:600;color:var(--color-text-muted);text-decoration:none;text-align:center}.period-switch a.active{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0}.error-text{color:var(--color-danger);font-size:13px;margin-top:6px}