:root {
  --bg: #0b1227;
  --panel: #0f1f3c;
  --card: #14274d;
  --card-2: #0d1c3a;
  --accent: #0d6efd;
  --accent-2: #4db5ff;
  --text: #e8eefc;
  --muted: #a8b3ce;
  --border: rgba(255, 255, 255, 0.08);
  --success: #33d18f;
  --warning: #f6c344;
  --error: #ef476f;
  --shadow: 0px 18px 48px rgba(5, 12, 38, 0.55);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Helvetica Neue", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(77, 181, 255, 0.08), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(13, 110, 253, 0.2), transparent 30%),
    linear-gradient(135deg, #0b1227, #0c1430 50%, #0a1026);
  color: var(--text);
  min-height: 100vh;
}

button {
  font-family: inherit;
}

a {
  color: inherit;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 26px;
  position: sticky;
  top: 0;
  z-index: 2;
  background: rgba(11, 18, 39, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.6px;
}

.brand-mark {
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 16px rgba(13, 110, 253, 0.45);
  border-radius: 4px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.user-chip .avatar {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #08152e;
}

.layout {
  padding: 0 24px 32px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.hero {
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.28), rgba(11, 18, 39, 0.9));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px 20px 16px;
  margin-top: 16px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.hero p {
  margin: 8px 0 0;
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 12px;
  margin: 18px 0 12px;
  flex-wrap: wrap;
}

.tab {
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab.active {
  color: var(--text);
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.26), rgba(77, 181, 255, 0.16));
  border-color: rgba(13, 110, 253, 0.4);
  box-shadow: 0 12px 30px rgba(13, 110, 253, 0.16);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: 12px 0 20px;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 16px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--muted);
}

.metric {
  font-size: 28px;
  font-weight: 700;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 13px;
}

.pill.success {
  color: var(--success);
  border-color: rgba(51, 209, 143, 0.4);
}

.pill.warning {
  color: var(--warning);
  border-color: rgba(246, 195, 68, 0.4);
}

.pill.error {
  color: var(--error);
  border-color: rgba(239, 71, 111, 0.4);
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
}

.table th {
  text-align: left;
  padding: 10px 8px;
  color: var(--muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

.table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.muted {
  color: var(--muted);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.test-card {
  padding: 12px;
}

.test-card h4 {
  margin: 0 0 6px;
}

.progress {
  height: 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  margin: 8px 0 4px;
}

.progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.alert-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
}

.alert-card {
  border-left: 3px solid var(--border);
  padding-left: 12px;
}

.alert-card.error {
  border-color: var(--error);
}

.alert-card.warning {
  border-color: var(--warning);
}

.alert-card .label {
  font-size: 12px;
  color: var(--muted);
}

.login-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  max-width: 420px;
  width: 100%;
  background: linear-gradient(160deg, rgba(13, 110, 253, 0.22), rgba(11, 18, 39, 0.94));
  border: 1px solid rgba(77, 181, 255, 0.25);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.login-card h2 {
  margin: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 12px 0;
}

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

.field input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  color: var(--text);
  font-size: 14px;
}

.btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 12px;
  padding: 12px 14px;
  color: #081425;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(13, 110, 253, 0.35);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(13, 110, 253, 0.45);
}

@media (max-width: 768px) {
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .tabs {
    gap: 8px;
  }
}