:root {
  --bg: #0b1020; --panel: #12182b; --panel-border: #1f2942;
  --text: #e2e8f0; --muted: #8b95ab;
  --cyan: #22d3ee; --purple: #a78bfa; --green: #34d399; --red: #f87171; --orange: #fb923c;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.login-screen { height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at top, #17213c, #0b1020 70%); }
.login-card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 16px; padding: 36px; width: 340px; }
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.subtitle { color: var(--muted); margin-top: 0; margin-bottom: 20px; font-size: 13px; }
label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
input, select { width: 100%; padding: 10px 12px; background: #0d1326; border: 1px solid var(--panel-border); border-radius: 8px; color: var(--text); font-size: 14px; }
button { margin-top: 20px; width: 100%; padding: 11px; background: linear-gradient(135deg, var(--cyan), #0891b2); border: none; border-radius: 8px; color: #04121a; font-weight: 600; cursor: pointer; }
button.secondary { background: transparent; border: 1px solid var(--panel-border); color: var(--text); }
.error { color: var(--red); font-size: 12px; margin-top: 10px; min-height: 14px; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--panel-border); flex-wrap: wrap; gap: 12px; }
.brand { font-weight: 700; letter-spacing: 0.5px; }
.tabs { display: flex; gap: 6px; }
.tab-btn { width: auto; margin: 0; padding: 8px 14px; font-size: 13px; background: transparent; border: 1px solid transparent; color: var(--muted); }
.tab-btn.active { background: rgba(34,211,238,0.12); color: var(--cyan); border-color: rgba(34,211,238,0.3); }
.badge-count { background: var(--red); color: white; border-radius: 999px; padding: 1px 7px; font-size: 11px; margin-left: 4px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-right button { width: auto; margin: 0; padding: 8px 14px; font-size: 13px; }
.ws-status { font-size: 12px; color: var(--muted); }
.ws-status.online { color: var(--green); }
.ws-status.offline { color: var(--red); }
.content { padding: 24px; max-width: 1500px; margin: 0 auto; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 14px; padding: 16px 18px; border-left: 3px solid var(--panel-border); }
.stat-card.accent-green { border-left-color: var(--green); }
.stat-card.accent-red { border-left-color: var(--red); }
.stat-card.accent-cyan { border-left-color: var(--cyan); }
.stat-card.accent-purple { border-left-color: var(--purple); }
.stat-card.accent-orange { border-left-color: var(--orange); }
.stat-label { color: var(--muted); font-size: 12px; margin: 0 0 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 26px; font-weight: 700; margin: 0; }
.chart-card, .table-card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 14px; padding: 18px; margin-bottom: 20px; }
.chart-card h3, .table-card h3 { margin-top: 0; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; flex-wrap: wrap; gap: 10px; }
.panel-header h3 { margin: 0; }
.panel-header button { width: auto; margin: 0; padding: 8px 14px; font-size: 13px; }
.filters { display: flex; gap: 8px; }
.filters select { width: auto; padding: 6px 10px; font-size: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--panel-border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.badge { padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.online, .badge.resolved { background: rgba(52,211,153,0.15); color: var(--green); }
.badge.offline, .badge.critical, .badge.emergency { background: rgba(248,113,113,0.15); color: var(--red); }
.badge.warning, .badge.acknowledged { background: rgba(251,146,60,0.15); color: var(--orange); }
.badge.info, .badge.open { background: rgba(34,211,238,0.15); color: var(--cyan); }
.badge.active { background: rgba(248,113,113,0.15); color: var(--red); }
.badge.ended { background: rgba(139,149,171,0.15); color: var(--muted); }
.row-delete, .row-action { background: transparent; border: 1px solid var(--panel-border); color: var(--text); width: auto; margin: 0 4px 0 0; padding: 4px 10px; font-size: 12px; cursor: pointer; border-radius: 6px; }
.row-delete { color: var(--red); }
.modal { position: fixed; inset: 0; background: rgba(4,8,20,0.7); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 14px; padding: 28px; width: 380px; max-height: 90vh; overflow-y: auto; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions button { margin-top: 0; }
.toast-container { position: fixed; top: 16px; right: 16px; display: flex; flex-direction: column; gap: 10px; z-index: 200; }
.toast { background: var(--panel); border: 1px solid var(--panel-border); border-left: 4px solid var(--red); border-radius: 10px; padding: 12px 16px; width: 320px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,0.4); animation: slidein 0.2s ease-out; }
.toast.warning { border-left-color: var(--orange); }
.toast.critical, .toast.emergency { border-left-color: var(--red); }
.toast.info { border-left-color: var(--cyan); }
@keyframes slidein { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

.stat-sub { color: var(--muted); font-size: 10px; margin: 4px 0 0; text-transform: none; letter-spacing: 0; }
.hint { color: var(--muted); font-size: 12px; margin: -4px 0 12px; }
.iface-select { width: auto; min-width: 170px; max-width: 220px; padding: 6px 8px; font-size: 12px; }
.badge.unconfigured { background: rgba(139,149,171,0.15); color: var(--muted); }

.modal-card-wide { width: 760px; max-width: 95vw; }
.range-btn { width: auto; margin: 0 6px 0 0; padding: 7px 14px; font-size: 12px; background: transparent; border: 1px solid var(--panel-border); color: var(--muted); border-radius: 8px; cursor: pointer; }
.range-btn.active { background: rgba(34,211,238,0.12); color: var(--cyan); border-color: rgba(34,211,238,0.3); }