/* ============================================
   NetMon Design System — premium SaaS look
   ============================================ */

:root {
  --nm-primary: #4f46e5;
  --nm-primary-dark: #4338ca;
  --nm-primary-light: #eef2ff;
  --nm-ink: #0f172a;
  --nm-ink-soft: #475569;
  --nm-muted: #94a3b8;
  --nm-border: #e2e8f0;
  --nm-bg: #f8fafc;
  --nm-surface: #ffffff;
  --nm-success: #16a34a;
  --nm-success-bg: #f0fdf4;
  --nm-danger: #dc2626;
  --nm-danger-bg: #fef2f2;
  --nm-warning: #d97706;
  --nm-sidebar-bg: #0f172a;
  --nm-sidebar-ink: #cbd5e1;
  --nm-sidebar-active: #4f46e5;
  --nm-radius: 14px;
  --nm-shadow: 0 1px 2px rgba(15,23,42,.04), 0 4px 16px rgba(15,23,42,.06);
  --nm-shadow-lg: 0 8px 30px rgba(15,23,42,.10);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--nm-bg);
  color: var(--nm-ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-weight: 700; letter-spacing: -0.02em; color: var(--nm-ink); }
a { text-decoration: none; }
code { background: var(--nm-primary-light); color: var(--nm-primary-dark); padding: 2px 6px; border-radius: 6px; font-size: .85em; }

/* ---------- App Shell (sidebar layout) ---------- */
.nm-shell { display: flex; min-height: 100vh; }

.nm-sidebar {
  width: 248px;
  flex-shrink: 0;
  background: var(--nm-sidebar-bg);
  color: var(--nm-sidebar-ink);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 1030;
}
.nm-sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 22px 22px 18px;
  color: #fff; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em;
}
.nm-sidebar-brand .nm-logo-dot {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--nm-primary), #7c3aed);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem; color: #fff;
}
.nm-sidebar-nav { flex: 1; padding: 10px 12px; overflow-y: auto; }
.nm-sidebar-nav .nm-nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; margin-bottom: 2px;
  border-radius: 10px;
  color: var(--nm-sidebar-ink);
  font-size: .92rem; font-weight: 500;
  transition: background .15s, color .15s;
}
.nm-sidebar-nav .nm-nav-link i { font-size: 1.05rem; width: 20px; text-align: center; }
.nm-sidebar-nav .nm-nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.nm-sidebar-nav .nm-nav-link.active {
  background: var(--nm-sidebar-active);
  color: #fff;
  box-shadow: 0 4px 14px rgba(79,70,229,.35);
}
.nm-sidebar-foot {
  padding: 14px 18px 18px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .82rem;
}
.nm-sidebar-foot .nm-tenant-name { color: #fff; font-weight: 600; }

.nm-main { margin-left: 248px; flex: 1; min-width: 0; display: flex; flex-direction: column; }

.nm-topbar {
  height: 64px; flex-shrink: 0;
  background: var(--nm-surface);
  border-bottom: 1px solid var(--nm-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 1020;
}
.nm-topbar h1 { font-size: 1.15rem; margin: 0; }
.nm-content { padding: 28px; flex: 1; }

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--nm-border);
  border-radius: var(--nm-radius);
  box-shadow: var(--nm-shadow);
}
.card:hover.nm-hoverable { box-shadow: var(--nm-shadow-lg); }

.nm-kpi { padding: 4px 2px; }
.nm-kpi-label { font-size: .8rem; color: var(--nm-ink-soft); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; }
.nm-kpi-value { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; }
.nm-kpi-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}

/* ---------- Status pills ---------- */
.nm-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px;
  font-size: .78rem; font-weight: 700; letter-spacing: .02em;
}
.nm-pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; }
.nm-pill-up { background: var(--nm-success-bg); color: var(--nm-success); }
.nm-pill-up::before { background: var(--nm-success); }
.nm-pill-down { background: var(--nm-danger-bg); color: var(--nm-danger); }
.nm-pill-down::before { background: var(--nm-danger); animation: nm-pulse 1.4s infinite; }
.nm-pill-unknown { background: #f1f5f9; color: var(--nm-muted); }
.nm-pill-unknown::before { background: var(--nm-muted); }
@keyframes nm-pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* legacy classes kept for compatibility */
.status-up { color: var(--nm-success); font-weight: 700; }
.status-down { color: var(--nm-danger); font-weight: 700; }
.status-unknown { color: var(--nm-muted); font-weight: 700; }

/* ---------- Buttons ---------- */
.btn-primary {
  background: var(--nm-primary); border-color: var(--nm-primary);
  box-shadow: 0 2px 8px rgba(79,70,229,.25);
}
.btn-primary:hover { background: var(--nm-primary-dark); border-color: var(--nm-primary-dark); }
.btn { border-radius: 9px; font-weight: 600; font-size: .88rem; }

/* ---------- Tables ---------- */
.table thead th {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--nm-ink-soft); border-bottom: 1px solid var(--nm-border);
  font-weight: 700; padding-bottom: 12px;
}
.table td { padding-top: 14px; padding-bottom: 14px; border-color: #f1f5f9; }

/* ---------- Mobile sidebar ---------- */
@media (max-width: 991px) {
  .nm-sidebar { transform: translateX(-100%); transition: transform .2s; }
  .nm-sidebar.nm-open { transform: translateX(0); }
  .nm-main { margin-left: 0; }
}

/* ============================================
   Landing Page
   ============================================ */
.nm-landing-nav {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--nm-border);
  position: sticky; top: 0; z-index: 100;
}
.nm-hero {
  background:
    radial-gradient(circle at 15% 0%, rgba(124,58,237,.12), transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(79,70,229,.14), transparent 45%),
    var(--nm-bg);
  padding: 90px 0 70px;
}
.nm-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--nm-primary-light); color: var(--nm-primary-dark);
  padding: 6px 14px; border-radius: 999px; font-size: .82rem; font-weight: 700;
}
.nm-hero h1 { font-size: 3rem; line-height: 1.1; margin: 20px 0; }
.nm-hero p.lead { color: var(--nm-ink-soft); font-size: 1.15rem; max-width: 560px; }

.nm-feature-card {
  border: 1px solid var(--nm-border); border-radius: var(--nm-radius);
  padding: 28px; background: var(--nm-surface); height: 100%;
  transition: transform .15s, box-shadow .15s;
}
.nm-feature-card:hover { transform: translateY(-4px); box-shadow: var(--nm-shadow-lg); }
.nm-feature-icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--nm-primary-light); color: var(--nm-primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  margin-bottom: 16px;
}

.nm-section-label {
  color: var(--nm-primary); font-weight: 700; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .06em;
}

.nm-cta {
  background: linear-gradient(135deg, var(--nm-primary), #7c3aed);
  border-radius: 24px; padding: 60px 40px; color: #fff;
}

.nm-footer { border-top: 1px solid var(--nm-border); padding: 32px 0; color: var(--nm-muted); font-size: .88rem; }

.nm-mock-dashboard {
  border-radius: 16px; border: 1px solid var(--nm-border);
  box-shadow: var(--nm-shadow-lg); background: var(--nm-surface); overflow: hidden;
}