* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: #061019;
  color: #eef6fb;
  line-height: 1.45;
}

.hidden {
  display: none !important;
}

/* Login */
.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 0%, #12304a, #061019 50%);
}

.login-card {
  width: min(400px, 90vw);
  padding: 32px;
  background: #0c1823;
  border: 1px solid #243849;
  border-radius: 20px;
  text-align: center;
}

.logo {
  display: inline-grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border: 1px solid #28536e;
  border-radius: 16px;
  color: #43d7ef;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}

.logo.small {
  width: 36px;
  height: 36px;
  font-size: 20px;
  border-radius: 10px;
}

.login h1 {
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.login p {
  color: #91a8b9;
  margin-bottom: 20px;
}

.notice {
  font-size: 13px;
  text-align: left;
  color: #a9bdca;
  padding: 12px;
  margin-bottom: 20px;
  background: #09131c;
  border: 1px solid #203444;
  border-radius: 10px;
}

.login button,
.btn,
.btn-outline {
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  background: #346cf0;
  color: white;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
}

.login button {
  width: 100%;
}

.btn-outline {
  background: transparent;
  border: 1px solid #2a4a62;
  color: #c5d8e6;
}

/* App Layout */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #050c12;
  border-right: 1px solid #1b2d3b;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 24px;
  font-size: 18px;
}

nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav {
  border: 1px solid transparent;
  background: transparent;
  color: #dce8ef;
  padding: 11px 12px;
  border-radius: 10px;
  text-align: left;
  cursor: pointer;
  font-size: 14px;
}

.nav:hover {
  background: #0d1c28;
}

.nav.active {
  background: #102234;
  border-color: #29506a;
}

.sidebar-footer {
  padding-top: 16px;
  font-size: 12px;
  color: #7a93a6;
}

.location {
  margin-bottom: 4px;
}

/* Main */
main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

header {
  padding: 22px 28px 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid #1a2d3c;
}

header h2 {
  font-size: 22px;
  margin-bottom: 2px;
}

#subtitle {
  color: #91a8b9;
  font-size: 14px;
}

#content {
  padding: 20px 28px 40px;
  overflow-y: auto;
  flex: 1;
}

/* Cards & Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.card {
  grid-column: span 4;
  background: linear-gradient(#0f1e2b, #09151e);
  border: 1px solid #203646;
  border-radius: 14px;
  padding: 18px;
}

.card.wide {
  grid-column: span 8;
}

.card.full {
  grid-column: span 12;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 16px;
}

.card p {
  color: #a9bdca;
  font-size: 14px;
}

.metric {
  font-size: 28px;
  font-weight: 700;
  color: #42d98a;
  margin: 6px 0;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.chip {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 99px;
  border: 1px solid #294155;
  background: #102333;
  color: #b8d0e0;
}

/* Aviation specific */
.map-container {
  height: 420px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #27465b;
  background: #08141d;
}

.event-card {
  background: #0c1a26;
  border: 1px solid #1e3445;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.event-card:hover {
  border-color: #3a6a88;
}

.event-card .badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  margin-right: 8px;
}

.badge.severe {
  background: #4a1c24;
  color: #ff7b8a;
}

.badge.moderate {
  background: #3d2e12;
  color: #f0c14a;
}

.badge.info {
  background: #12304a;
  color: #6ec6ff;
}

.event-meta {
  font-size: 13px;
  color: #8aa0b4;
  margin-top: 6px;
}

/* Expanded event */
.expanded-panel {
  background: #0a1620;
  border: 1px solid #243849;
  border-radius: 14px;
  padding: 20px;
  margin-top: 16px;
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: #8eb4cc;
  margin: 18px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.source-link, .freq-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: #0d1c28;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 14px;
}

.source-link a, .freq-item a {
  color: #5bb8ff;
  text-decoration: none;
}

.video-row {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.video-thumb {
  min-width: 160px;
  height: 90px;
  background: #122230;
  border-radius: 8px;
  display: grid;
  place-items: center;
  border: 1px solid #2a4558;
  font-size: 13px;
  color: #8ab0c8;
}

/* Responsive */
@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-right: none;
    border-bottom: 1px solid #1b2d3b;
  }
  nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }
  .card, .card.wide, .card.full {
    grid-column: span 12;
  }
}