:root {
  --bg: #0b1221;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f7ff;
  --muted: #9fb2d8;
  --accent: #5cf4d3;
  --accent-2: #6ea8ff;
  --bad: #ff7b7b;
  --good: #5cf4d3;
  --shadow: 0 20px 50px rgba(0,0,0,0.35);
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(92,244,211,0.08), transparent 35%),
              radial-gradient(circle at 80% 10%, rgba(110,168,255,0.08), transparent 30%),
              linear-gradient(135deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  pointer-events: none;
  filter: blur(0px);
}

.shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 24px 80px;
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a1020;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.title { font-size: 20px; font-weight: 700; }
.subtitle { font-size: 13px; color: var(--muted); }

.top-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(92,244,211,0.18), rgba(110,168,255,0.14));
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.1s ease, border 0.1s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.18); }
.btn.ghost { background: rgba(255,255,255,0.04); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.cardhead { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }

.muted { color: var(--muted); font-size: 13px; }

.input {
  width: 100%;
  padding: 10px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.stat { padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,0.02); }
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 20px; font-weight: 700; margin-top: 4px; }

.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }

.tablewrap { overflow: auto; border: 1px solid var(--border); border-radius: 12px; }
.table { width: 100%; border-collapse: collapse; min-width: 900px; }
.table th, .table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); cursor: pointer; }
.table tbody tr:hover { background: rgba(255,255,255,0.04); }

.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }

.toast {
  background: rgba(92,244,211,0.1);
  color: var(--text);
  border: 1px solid var(--accent);
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 12px;
}
.toast.bad { border-color: var(--bad); color: #ffdede; }

.archive-list { margin-top: 10px; display: grid; gap: 8px; }
.archive-item { padding: 10px; border: 1px solid var(--border); border-radius: 10px; background: rgba(255,255,255,0.02); display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.archive-item .meta { color: var(--muted); font-size: 12px; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 999;
}
.modal-body {
  background: #0e172a;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  max-width: 720px;
  width: 100%;
  box-shadow: var(--shadow);
}
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.tutorial-list { margin: 10px 0 6px; padding-left: 20px; color: var(--text); }
.tutorial-list li { margin: 6px 0; }

@media print {
  .topbar, #exportPdfBtn, #exportCsvBtn, #fetchArchiveBtn, #listArchiveBtn, label[for="fileInput"], .toast { display: none !important; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; border-color: #ccc; }
}