* { box-sizing: border-box; }

body {
  margin: 0;
  background: #070b12;
  color: #eef3ff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input {
  font: inherit;
}

button {
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  background: #16a34a;
  color: white;
  font-weight: 700;
  cursor: pointer;
}

input {
  width: 100%;
  border: 1px solid #263244;
  border-radius: 12px;
  background: #0b1220;
  color: #eef3ff;
  padding: 12px;
  outline: none;
}

.screen {
  min-height: 100vh;
  padding: 24px;
}

.center {
  display: grid;
  place-items: center;
}

.card, .panel, .kpi, .sample {
  border: 1px solid #1e293b;
  background: #111827;
  border-radius: 20px;
  padding: 20px;
}

.card {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
}

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

.eyebrow {
  color: #38bdf8;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 12px;
}

.kpis {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 20px;
}

.kpi strong {
  display: block;
  font-size: 30px;
}

.layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 20px;
}

.form-grid, .samples {
  display: grid;
  gap: 10px;
}

.nir-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.sample {
  display: grid;
  gap: 10px;
}

.sample.urgent {
  border-color: #ef4444;
}

.sample-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  font-size: 13px;
}

.result-grid span {
  background: #0b1220;
  border-radius: 10px;
  padding: 8px;
}

.bad {
  background: #7f1d1d !important;
  color: #fecaca;
}

.muted {
  color: #94a3b8;
}

.error {
  color: #fecaca;
}

.logout, .delete {
  background: #991b1b;
}

@media (max-width: 900px) {
  .layout, .kpis {
    grid-template-columns: 1fr;
  }

  .nir-grid, .result-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .topbar, .sample-head {
    flex-direction: column;
    align-items: stretch;
  }
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #cbd5e1;
  margin: 4px 0;
}

.checkbox-line input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #ef4444;
}