:root {
  --bg: #0b1020;
  --panel: #131a2a;
  --panel-2: #182133;
  --text: #e9eef9;
  --muted: #9fb0d0;
  --border: #2a3650;
  --accent: #4f8cff;
  --accent-2: #79a7ff;
  --danger: #ff6b6b;
  --success: #38c172;
  --warning: #ffb020;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  --radius: 14px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #0b1020 0%, #0f1628 100%);
  color: var(--text);
  font-family: var(--font);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.brand-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-subtitle,
.login-note,
.page-subtitle,
.user-meta,
.muted {
  color: var(--muted);
}

.brand-block {
  margin-bottom: 22px;
}

.login-form {
  display: grid;
  gap: 12px;
}

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

input {
  width: 100%;
  background: #0f1524;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 11px 14px;
  cursor: pointer;
  transition: 0.15s ease;
}

button:hover {
  opacity: 0.92;
}

#login-submit {
  background: var(--accent);
  color: white;
  margin-top: 8px;
}

.secondary-button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.error-box {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.35);
  color: #ffd7d7;
}

.hidden {
  display: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 26px;
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-left {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-link {
  padding: 9px 12px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
}

.nav-link.active {
  color: var(--text);
  background: rgba(79, 140, 255, 0.12);
  border-color: rgba(79, 140, 255, 0.35);
}

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

.user-card {
  text-align: right;
}

.user-name {
  font-weight: 600;
}

.page-shell {
  padding: 24px 26px 36px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.page-title {
  margin: 0 0 8px;
  font-size: 26px;
}

.status-box {
  margin-bottom: 18px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

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

.metric-label {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.metric-value {
  font-size: 17px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.metric-value pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
  color: var(--text);
}

.table-wrap {
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

thead th {
  position: sticky;
  top: 0;
  background: #12192a;
  color: var(--accent-2);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

td pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
  color: var(--text);
}

.empty-state {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
}

@media (max-width: 920px) {
  .topbar,
  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-right {
    justify-content: space-between;
  }

  .user-card {
    text-align: left;
  }
}