* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020617;
  color: #e5e7eb;
}

/* Landing */
.landing-body {
  background: radial-gradient(circle at top, #1f2937 0, #020617 45%);
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  border-bottom: 1px solid rgba(148,163,184,0.25);
  backdrop-filter: blur(10px);
}

.logo-main {
  font-weight: 700;
  font-size: 20px;
}

.logo-sub {
  font-size: 12px;
  color: #9ca3af;
  display: block;
}

.topnav a {
  margin-left: 12px;
}

.btn-primary,
.btn-outline,
.btn-danger {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  color: #0b1120;
  font-weight: 600;
}

.btn-outline {
  background: transparent;
  border-color: #4b5563;
  color: #e5e7eb;
}

.btn-danger {
  background: #b91c1c;
  color: #fee2e2;
}

.btn-primary.large,
.btn-outline.large {
  padding: 12px 24px;
  font-size: 15px;
}

.landing-main {
  max-width: 960px;
  margin: 80px auto 0;
  padding: 0 16px 64px;
}

.landing-hero h1 {
  font-size: 36px;
  margin-bottom: 8px;
}

.landing-hero p {
  max-width: 600px;
  color: #9ca3af;
}

.landing-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 16px;
  margin-top: 48px;
}

.feature-card {
  background: radial-gradient(circle at top left, #1e293b, #020617);
  border: 1px solid rgba(148,163,184,0.25);
  border-radius: 16px;
  padding: 16px;
}

/* App layout */
.app-body {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: #020617;
  border-right: 1px solid rgba(148,163,184,0.25);
  display: flex;
  flex-direction: column;
  padding: 16px;
}

.sidebar-header {
  margin-bottom: 24px;
}

.sidebar-logo {
  font-weight: 700;
  font-size: 18px;
}

.sidebar-nav .nav-item {
  display: block;
  padding: 8px 10px;
  margin-bottom: 8px;
  border-radius: 8px;
  color: #e5e7eb;
  text-decoration: none;
  font-size: 14px;
}

.sidebar-nav .nav-item:hover {
  background: #111827;
}

.sidebar-footer {
  margin-top: auto;
  font-size: 12px;
  color: #9ca3af;
}

.sidebar-user span {
  display: block;
}

.app-main {
  flex: 1;
  padding: 24px 32px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.user-summary {
  text-align: right;
  font-size: 13px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(180px,1fr));
  gap: 16px;
}

.kpi-card {
  background: #020617;
  border-radius: 16px;
  padding: 16px;
  border: 1px solid rgba(148,163,184,0.25);
}

.kpi-label {
  display: block;
  font-size: 12px;
  color: #9ca3af;
}

.kpi-value {
  font-size: 24px;
  font-weight: 600;
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0,2fr) minmax(0,1.4fr);
  gap: 16px;
  margin-top: 24px;
}

.panel {
  background: #020617;
  border-radius: 16px;
  border: 1px solid rgba(148,163,184,0.25);
  padding: 16px;
}

.panel h2 {
  margin-top: 0;
  font-size: 16px;
}

.events-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
}

.events-list li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(31,41,55,0.6);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  padding: 6px 8px;
  border-bottom: 1px solid rgba(31,41,55,0.7);
}

.data-table th {
  text-align: left;
  font-size: 12px;
  color: #9ca3af;
}