:root {
  --bg: #07111f;
  --card: rgba(255,255,255,.08);
  --card-strong: rgba(255,255,255,.13);
  --border: rgba(255,255,255,.16);
  --text: #f4f8ff;
  --muted: #9fb0c8;
  --accent: #5eead4;
  --accent-2: #60a5fa;
  --danger: #fb7185;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 5%, rgba(94,234,212,.22), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(96,165,250,.24), transparent 32%),
    linear-gradient(135deg, #06101d 0%, #0b1728 55%, #101827 100%);
}

.app-shell { width: min(1100px, 100%); margin: 0 auto; padding: 22px; }
.glass-card, .stat-card {
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  border-radius: 28px;
}
.hero { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; padding: 26px; margin-bottom: 18px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
h1 { font-size: clamp(2.3rem, 8vw, 5.5rem); line-height: .9; margin: 0 0 10px; letter-spacing: -.07em; }
h2 { margin: 0; font-size: 1.25rem; letter-spacing: -.03em; }
.muted { margin: 0; color: var(--muted); line-height: 1.5; }
.status-pill { padding: 10px 14px; border-radius: 999px; background: rgba(94,234,212,.13); color: var(--accent); border: 1px solid rgba(94,234,212,.28); white-space: nowrap; font-weight: 700; }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.stat-card { padding: 22px; min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; }
.stat-card.primary { background: linear-gradient(145deg, rgba(94,234,212,.22), rgba(96,165,250,.13)); }
.stat-card span { color: var(--muted); font-weight: 700; }
.stat-card strong { display: block; font-size: clamp(2rem, 7vw, 4rem); letter-spacing: -.07em; }
.stat-card small { color: var(--muted); line-height: 1.4; }

.chart-card, .events-card { padding: 22px; margin-bottom: 14px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
canvas { width: 100%; height: auto; display: block; }
.x-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: .8rem; padding: 0 8px; }

.actions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
button, .secondary-btn { border: 0; cursor: pointer; color: var(--text); font: inherit; font-weight: 800; border-radius: 20px; padding: 17px 18px; text-decoration: none; text-align: center; }
.danger-btn { background: linear-gradient(135deg, rgba(251,113,133,.95), rgba(244,63,94,.72)); box-shadow: 0 18px 38px rgba(251,113,133,.2); }
.secondary-btn, .ghost-btn { background: var(--card-strong); border: 1px solid var(--border); }
.ghost-btn { padding: 10px 14px; border-radius: 14px; }
.events-list { display: grid; gap: 10px; }
.event { display: flex; justify-content: space-between; gap: 10px; padding: 14px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.05); color: var(--muted); }
.event b { color: var(--text); }

@media (max-width: 780px) {
  .hero, .section-head { flex-direction: column; align-items: stretch; }
  .stats-grid, .actions-grid { grid-template-columns: 1fr; }
  .app-shell { padding: 14px; }
}

.top-menu { position: sticky; top: 10px; z-index: 10; display: flex; gap: 8px; padding: 8px; margin-bottom: 14px; border-radius: 22px; }
.menu-link { flex: 1; text-align: center; color: var(--muted); text-decoration: none; font-weight: 900; padding: 12px 10px; border-radius: 16px; position: relative; }
.menu-link.active { color: var(--text); background: rgba(255,255,255,.10); border: 1px solid var(--border); }
.badge { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 6px; margin-left: 4px; border-radius: 999px; background: var(--danger); color: white; font-size: .72rem; }
.hidden { display: none !important; }
.view { display: none; }
.view.active { display: block; }
.settings-card { padding: 22px; margin-bottom: 14px; }
.settings-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.settings-grid label { display: grid; gap: 8px; color: var(--muted); font-weight: 700; }
.settings-grid input[type="number"] { width: 100%; border: 1px solid var(--border); background: rgba(255,255,255,.08); color: var(--text); border-radius: 16px; padding: 14px; font: inherit; font-weight: 800; outline: none; }
.switch-row { grid-template-columns: 1fr auto; align-items: center; border: 1px solid var(--border); background: rgba(255,255,255,.05); border-radius: 18px; padding: 14px; }
.switch-row input { width: 24px; height: 24px; accent-color: #5eead4; }
.primary-btn { background: linear-gradient(135deg, rgba(94,234,212,.95), rgba(96,165,250,.72)); color: #06101d; box-shadow: 0 18px 38px rgba(94,234,212,.16); }
.small-note { margin-top: 14px; font-size: .9rem; }
.notification.unread { border-color: rgba(94,234,212,.46); background: rgba(94,234,212,.08); }
.notification.danger { border-color: rgba(251,113,133,.44); }
.notification.warning { border-color: rgba(251,191,36,.44); }
.notification.info { border-color: rgba(96,165,250,.44); }
.event small { color: var(--muted); }

@media (max-width: 780px) {
  .top-menu { overflow-x: auto; }
  .menu-link { min-width: max-content; }
  .settings-grid { grid-template-columns: 1fr; }
}
.compact-settings { margin-bottom: 16px; }
.rule-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 18px 0; }
.rule-form label { display: grid; gap: 8px; color: var(--muted); font-weight: 700; }
.rule-form input, .rule-form select { width: 100%; border: 1px solid var(--border); background: rgba(255,255,255,.08); color: var(--text); border-radius: 16px; padding: 14px; font: inherit; font-weight: 800; outline: none; }
.rule-form select option { color: #07111f; }
.rules-list { display: grid; gap: 12px; margin-top: 8px; }
.rule-card { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--border); border-radius: 20px; background: rgba(255,255,255,.06); }
.rule-card.standby { opacity: .58; }
.rule-card b { display:block; font-size: 1.05rem; }
.rule-card small { display:block; color: var(--muted); margin-top: 5px; }
.rule-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.danger-mini { background: rgba(251,113,133,.18); border: 1px solid rgba(251,113,133,.35); padding: 10px 14px; border-radius: 14px; }
@media (max-width: 780px) { .rule-form { grid-template-columns: 1fr; } .rule-card { flex-direction: column; align-items: stretch; } .rule-actions { justify-content: stretch; } .rule-actions button { flex: 1; } }
.connection-box { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin: 18px 0; align-items: end; }
.connection-box label { display: grid; gap: 8px; color: var(--muted); font-weight: 800; }
.connection-box input { width: 100%; border: 1px solid var(--border); background: rgba(255,255,255,.08); color: var(--text); border-radius: 16px; padding: 14px; font: inherit; font-weight: 800; outline: none; }
@media (max-width: 780px) { .connection-box { grid-template-columns: 1fr; } }
.event-button { width: 100%; text-align: left; font-weight: 500; font-size: 1rem; }
.event-button:hover { background: rgba(94,234,212,.09); border-color: rgba(94,234,212,.35); transform: translateY(-1px); }
.detail-panel h3 { margin: 22px 0 10px; color: var(--text); font-size: 1rem; }
.detail-summary { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 14px; }
.detail-summary > div { border: 1px solid var(--border); background: rgba(255,255,255,.055); border-radius: 18px; padding: 14px; display: grid; gap: 6px; }
.detail-summary span { color: var(--muted); font-weight: 800; font-size: .82rem; }
.detail-summary b { color: var(--text); font-size: 1.05rem; }
.detail-table { display: grid; gap: 8px; }
.detail-row { display: flex; justify-content: space-between; gap: 12px; border: 1px solid var(--border); background: rgba(255,255,255,.045); border-radius: 14px; padding: 11px 13px; }
.detail-row span { color: var(--muted); }
.detail-row b { color: var(--text); }
@media (max-width: 780px) { .detail-summary { grid-template-columns: 1fr; } }
body.locked .app-shell { filter: blur(10px); pointer-events: none; user-select: none; }
.login-screen { position: fixed; inset: 0; z-index: 50; display: none; place-items: center; padding: 18px; background: rgba(3,8,16,.68); backdrop-filter: blur(12px); }
.login-screen.active { display: grid; }
.login-card { width: min(470px, 100%); padding: 28px; display: grid; gap: 16px; }
.login-card h1 { font-size: clamp(2.4rem, 12vw, 4.5rem); }
.login-card label, .settings-grid label { display: grid; gap: 8px; color: var(--muted); font-weight: 800; }
.login-card input, .settings-grid input { width: 100%; border: 1px solid var(--border); background: rgba(255,255,255,.08); color: var(--text); border-radius: 16px; padding: 14px; font: inherit; font-weight: 800; outline: none; }
.login-error { color: var(--danger); min-height: 22px; font-weight: 800; }
code { color: var(--accent); background: rgba(94,234,212,.08); padding: 2px 6px; border-radius: 8px; }
@media (max-width: 860px) { .top-menu { justify-content: flex-start; } .menu-link { flex: 0 0 auto; } }
.soft-line{border:0;border-top:1px solid rgba(255,255,255,.12);margin:22px 0}
.device-dot{display:inline-flex;align-items:center;gap:6px;margin-left:8px;padding:4px 8px;border-radius:999px;font-size:.72rem;font-weight:900;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#cbd5e1}.device-dot::before{content:'';width:7px;height:7px;border-radius:50%;background:#94a3b8}.device-dot.online{color:#99f6e4}.device-dot.online::before{background:#2dd4bf;box-shadow:0 0 16px rgba(45,212,191,.75)}.device-dot.offline{color:#fecdd3}.device-dot.offline::before{background:#fb7185}
.device-dot.stille{color:#fde68a}.device-dot.stille::before{background:#f59e0b;box-shadow:0 0 14px rgba(245,158,11,.65)}
.device-dot.standby{color:#cbd5e1}.device-dot.standby::before{background:#64748b}
.rule-card.device-alert{border-color:rgba(251,113,133,.55);background:linear-gradient(135deg,rgba(251,113,133,.12),rgba(255,255,255,.045))}
.rule-card.device-warn{border-color:rgba(251,191,36,.48);background:linear-gradient(135deg,rgba(251,191,36,.11),rgba(255,255,255,.045))}
.rule-form small{color:var(--muted);font-weight:600;font-size:.78rem;margin-top:-4px}
@media (min-width: 900px){.stats-grid{grid-template-columns:repeat(4,1fr)}}