*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --bg:        #0d0d1a;
      --surface:   #12122a;
      --card:      #1a1a35;
      --card2:     #1f1f40;
      --border:    #2a2a55;
      --accent:    #7b61ff;
      --accent2:   #00d4ff;
      --gold:      #ffd700;
      --danger:    #ff4d6d;
      --success:   #00e676;
      --warn:      #ffab40;
      --text:      #e8e8ff;
      --muted:     #8888aa;
      --glow:      0 0 18px rgba(123,97,255,0.35);
      --glow2:     0 0 18px rgba(0,212,255,0.25);
    }
    body {
      background: var(--bg); color: var(--text);
      font-family: 'Segoe UI', system-ui, sans-serif;
      min-height: 100vh; overflow-x: hidden;
    }
    #stars {
      position: fixed; inset: 0; z-index: 0;
      background: radial-gradient(ellipse at 20% 50%, #1a0a3a 0%, #0d0d1a 60%);
      overflow: hidden; pointer-events: none;
    }
    #stars::before, #stars::after {
      content: ''; position: absolute; inset: 0;
      background-image:
        radial-gradient(1px 1px at 10% 15%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 5%,  #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 55% 20%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 10%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 95% 30%, #fff 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 20% 40%, #aaf 0%, transparent 100%),
        radial-gradient(1px 1px at 45% 60%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 55%, #fff 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 85% 75%, #aaf 0%, transparent 100%),
        radial-gradient(1px 1px at 5%  80%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 90%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 38% 85%, #fff 0%, transparent 100%);
      opacity: 0.7;
    }
    #stars::after {
      background-image:
        radial-gradient(1px 1px at 25% 25%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 50%, #ccf 0%, transparent 100%),
        radial-gradient(1px 1px at 75% 30%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 65%, #fff 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 60%, #aaf 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 75%, #fff 0%, transparent 100%);
      opacity: 0.4;
    }
    .shell { position: relative; z-index: 1; max-width: 1400px; margin: 0 auto; padding: 0 24px 60px; }
    header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 28px 0 20px; border-bottom: 1px solid var(--border);
      flex-wrap: wrap; gap: 16px;
    }
    .header-left { display: flex; align-items: center; gap: 16px; }
    .ufo-icon { font-size: 2.8rem; filter: drop-shadow(0 0 12px var(--accent)); animation: float 4s ease-in-out infinite; }
    @keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
    h1 { font-size: 1.8rem; font-weight: 700; letter-spacing: 0.5px; }
    h1 span { color: var(--accent2); }
    .subtitle { font-size: 0.85rem; color: var(--muted); margin-top: 4px; }
    .last-updated {
      font-size: 0.8rem; color: var(--muted);
      background: var(--card); border: 1px solid var(--border);
      padding: 6px 14px; border-radius: 20px;
    }
    .last-updated strong { color: var(--accent2); }
    .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 28px 0; }
    .stat-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 14px; padding: 20px; text-align: center;
      transition: transform .2s, box-shadow .2s; cursor: default;
    }
    .stat-card:hover { transform: translateY(-4px); box-shadow: var(--glow); }
    .stat-card .value { font-size: 2.4rem; font-weight: 800; line-height: 1; }
    .stat-card .label { font-size: 0.75rem; color: var(--muted); margin-top: 6px; text-transform: uppercase; letter-spacing: 1px; }
    .stat-card.total  .value { color: var(--accent2); text-shadow: var(--glow2); }
    .stat-card.unexp  .value { color: var(--danger);  text-shadow: 0 0 14px rgba(255,77,109,0.5); }
    .stat-card.expl   .value { color: var(--success); text-shadow: 0 0 14px rgba(0,230,118,0.4); }
    .stat-card.invest .value { color: var(--warn);    text-shadow: 0 0 14px rgba(255,171,64,0.4); }
    .stat-card.high   .value { color: var(--gold);    text-shadow: 0 0 14px rgba(255,215,0,0.4); }
    .stat-card.week   .value { color: #c084fc;        text-shadow: 0 0 14px rgba(192,132,252,0.4); }
    .stat-card.month  .value { color: #38bdf8;        text-shadow: 0 0 14px rgba(56,189,248,0.4); }
    .stat-card.year   .value { color: #fb923c;        text-shadow: 0 0 14px rgba(251,146,60,0.4); }
    .period-section { margin: 0 0 28px; }
    .section-label {
      font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.2px;
      color: var(--muted); margin-bottom: 12px; padding-left: 2px;
    }
    .stats-row2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
    .trend-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 14px; padding: 20px; margin-bottom: 28px;
    }
    .trend-card h3 { font-size: 0.9rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
    .trend-bars { display: flex; align-items: flex-end; gap: 8px; height: 120px; }
    .trend-col  { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
    .trend-bar  {
      width: 100%; border-radius: 5px 5px 0 0;
      background: linear-gradient(180deg, var(--accent) 0%, #4c2ab5 100%);
      min-height: 4px; transition: height 0.6s cubic-bezier(.4,0,.2,1);
      cursor: default; position: relative;
    }
    .trend-bar:hover { background: linear-gradient(180deg, var(--accent2) 0%, #0090b8 100%); }
    .trend-bar .tip {
      display: none; position: absolute; top: -28px; left: 50%; transform: translateX(-50%);
      background: var(--card2); border: 1px solid var(--border); border-radius: 6px;
      padding: 2px 8px; font-size: 0.75rem; color: var(--text); white-space: nowrap; z-index: 10;
    }
    .trend-bar:hover .tip { display: block; }
    .trend-month { font-size: 0.7rem; color: var(--muted); text-align: center; }
    .trend-count { font-size: 0.72rem; color: var(--accent2); font-weight: 700; }
    .period-table-wrap {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 14px; overflow: hidden; margin-bottom: 28px;
    }
    .period-table-wrap h3 {
      font-size: 0.9rem; color: var(--muted); text-transform: uppercase;
      letter-spacing: 1px; padding: 16px 20px 12px; border-bottom: 1px solid var(--border);
    }
    .period-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-bottom: 1px solid var(--border);
    }
    .period-grid:last-child { border-bottom: none; }
    .period-cell { padding: 14px 20px; border-right: 1px solid var(--border); }
    .period-cell:last-child { border-right: none; }
    .period-cell .p-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
    .period-cell .p-val   { font-size: 1.6rem; font-weight: 800; }
    .period-cell .p-sub   { font-size: 0.75rem; color: var(--muted); margin-top: 4px; }
    .period-cell.wk  .p-val { color: #c084fc; }
    .period-cell.mo  .p-val { color: #38bdf8; }
    .period-cell.yr  .p-val { color: #fb923c; }
    .toolbar {
      display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 18px;
    }
    .toolbar-title { font-size: 1.1rem; font-weight: 600; flex: 1 1 auto; }
    .search-box {
      background: var(--card); border: 1px solid var(--border);
      color: var(--text); padding: 8px 14px; border-radius: 8px;
      font-size: 0.88rem; outline: none; width: 220px; transition: border-color .2s;
    }
    .search-box:focus { border-color: var(--accent); }
    .search-box::placeholder { color: var(--muted); }
    select.filter-select {
      background: var(--card); border: 1px solid var(--border);
      color: var(--text); padding: 8px 12px; border-radius: 8px;
      font-size: 0.88rem; cursor: pointer; outline: none;
    }
    select.filter-select:focus { border-color: var(--accent); }
    .table-wrap {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 16px; overflow: hidden; box-shadow: 0 4px 40px rgba(0,0,0,0.4);
    }
    table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
    thead tr { background: var(--card2); }
    thead th {
      padding: 14px 16px; text-align: left; font-size: 0.75rem; text-transform: uppercase;
      letter-spacing: 1.2px; color: var(--muted); border-bottom: 1px solid var(--border);
      white-space: nowrap; cursor: pointer; user-select: none;
    }
    thead th:hover { color: var(--accent2); }
    thead th .sort-arrow { margin-left: 4px; opacity: 0.4; }
    thead th.sorted .sort-arrow { opacity: 1; color: var(--accent2); }
    tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
    tbody tr:last-child { border-bottom: none; }
    tbody tr:hover { background: rgba(123,97,255,0.07); }
    tbody td { padding: 14px 16px; vertical-align: top; }
    .td-num  { color: var(--muted); font-size: 0.8rem; width: 40px; text-align: center; }
    .td-date { white-space: nowrap; color: var(--accent2); font-weight: 600; font-size: 0.85rem; }
    .td-loc  { font-weight: 500; }
    .td-desc { color: #ccd; line-height: 1.5; max-width: 420px; }
    .td-src a { color: var(--accent); font-size: 0.82rem; text-decoration: none; word-break: break-all; }
    .td-src a:hover { text-decoration: underline; color: var(--accent2); }
    .td-notes { color: var(--muted); font-size: 0.82rem; max-width: 250px; line-height: 1.45; }
    .badge {
      display: inline-block; padding: 3px 11px; border-radius: 20px;
      font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px;
      text-transform: uppercase; white-space: nowrap;
    }
    .badge-unexplained  { background: rgba(255,77,109,0.15);  color: #ff6b84;  border: 1px solid rgba(255,77,109,0.3); }
    .badge-explained    { background: rgba(0,230,118,0.12);   color: #00e676;  border: 1px solid rgba(0,230,118,0.25);}
    .badge-investigation{ background: rgba(255,171,64,0.15);  color: #ffab40;  border: 1px solid rgba(255,171,64,0.3);}
    .badge-high   { background: rgba(255,215,0,0.12);   color: #ffd700; border: 1px solid rgba(255,215,0,0.25); }
    .badge-medium { background: rgba(255,171,64,0.12);  color: #ffab40; border: 1px solid rgba(255,171,64,0.25);}
    .badge-low    { background: rgba(255,77,109,0.12);  color: #ff6b84; border: 1px solid rgba(255,77,109,0.2);}
    .badge-unknown{ background: rgba(136,136,170,0.12); color: #8888aa; border: 1px solid rgba(136,136,170,0.2);}
    .empty { text-align: center; padding: 60px 20px; color: var(--muted); font-size: 1rem; }
    .empty .big { font-size: 3rem; display: block; margin-bottom: 12px; }
    .charts { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 28px 0; }
    @media(max-width:700px){ .charts { grid-template-columns: 1fr; } }
    .chart-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 14px; padding: 20px;
    }
    .chart-card h3 { font-size: 0.9rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
    .bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
    .bar-label { width: 130px; font-size: 0.82rem; text-align: right; color: var(--text); flex-shrink: 0; }
    .bar-track { flex: 1; background: rgba(255,255,255,0.06); border-radius: 6px; height: 18px; overflow: hidden; }
    .bar-fill  { height: 100%; border-radius: 6px; transition: width 0.8s cubic-bezier(.4,0,.2,1); }
    .bar-count { width: 28px; font-size: 0.82rem; color: var(--muted); text-align: right; }
    .timeline { margin: 28px 0; }
    .timeline h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 18px; }
    .tl-item {
      display: flex; gap: 16px; margin-bottom: 18px; padding: 16px;
      background: var(--card); border: 1px solid var(--border); border-radius: 12px;
      transition: box-shadow .2s;
    }
    .tl-item:hover { box-shadow: var(--glow); }
    .tl-dot { width: 14px; height: 14px; border-radius: 50%; margin-top: 4px; flex-shrink: 0; box-shadow: 0 0 8px currentColor; }
    .tl-content { flex: 1; }
    .tl-header  { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
    .tl-date    { font-size: 0.8rem; color: var(--accent2); font-weight: 600; }
    .tl-loc     { font-weight: 600; }
    .tl-desc    { font-size: 0.88rem; color: #ccd; line-height: 1.5; }
    .tl-notes   { font-size: 0.8rem; color: var(--muted); margin-top: 6px; font-style: italic; }
    .map-section { margin: 28px 0; }
    .map-section h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 14px; }
    .map-wrap {
      border-radius: 16px; overflow: hidden; border: 1px solid var(--border);
      box-shadow: 0 4px 40px rgba(0,0,0,0.4); height: 420px;
    }
    #sightingsMap { width: 100%; height: 100%; }
    .leaflet-popup-content-wrapper {
      background: #1a1a35; color: #e8e8ff;
      border: 1px solid #2a2a55; border-radius: 10px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    }
    .leaflet-popup-tip { background: #1a1a35; }
    .leaflet-popup-content { margin: 12px 16px; font-family: 'Segoe UI', sans-serif; }
    .popup-title { font-weight: 700; font-size: 0.95rem; color: #00d4ff; margin-bottom: 4px; }
    .popup-date  { font-size: 0.75rem; color: #8888aa; margin-bottom: 8px; }
    .popup-desc  { font-size: 0.82rem; color: #ccd; line-height: 1.4; margin-bottom: 8px; }
    .popup-links { display: flex; gap: 8px; flex-wrap: wrap; }
    .popup-link  { font-size: 0.75rem; padding: 3px 10px; border-radius: 12px; text-decoration: none; font-weight: 600; }
    .popup-link.maps   { background: rgba(0,212,255,0.15); color: #00d4ff; border: 1px solid rgba(0,212,255,0.3); }
    .popup-link.source { background: rgba(123,97,255,0.15); color: #a78bfa; border: 1px solid rgba(123,97,255,0.3); }
    .td-coords { font-size: 0.75rem; color: var(--muted); white-space: nowrap; }
    .td-coords a { color: var(--accent2); text-decoration: none; font-size: 0.75rem; }
    .td-coords a:hover { text-decoration: underline; }
    footer {
      text-align: center; padding: 30px 0 0; color: var(--muted); font-size: 0.8rem;
      border-top: 1px solid var(--border); margin-top: 40px;
    }
    footer a { color: var(--accent); text-decoration: none; }