:root {
  --bg: #020617;
  --panel: rgba(15, 23, 42, 0.88);
  --border: rgba(148, 163, 184, 0.18);
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --text: #f8fafc;
  --muted: #94a3b8;
  --danger: #fb7185;
  --success: #22c55e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 24%),
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.14), transparent 24%),
    linear-gradient(180deg, #020617, #081224 45%, #020617);
}

.auth-shell {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: 40px 20px 56px;
}

.auth-topbar,
.auth-card,
.auth-side,
.metric-card,
.status-banner,
.account-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 26px 60px rgba(2, 6, 23, 0.34);
}

.auth-topbar {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 26px;
}

.brand-block {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-cube {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), #22c55e);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
}

.brand-title {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

.top-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.top-links a,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: 0.2s ease;
}

.top-links a,
.secondary-btn {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.primary-btn {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(56, 189, 248, 0.22);
}

.top-links a:hover,
.secondary-btn:hover,
.primary-btn:hover {
  filter: brightness(1.08);
}

.auth-grid,
.account-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.auth-card,
.auth-side,
.account-panel {
  padding: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
}

.lead,
.auth-side p,
.helper-list li,
.status-banner,
.account-meta,
.metric-card span,
.account-links a,
.form-hint {
  color: var(--muted);
}

.status-banner {
  margin-bottom: 18px;
  padding: 14px 16px;
}

.status-success {
  border-color: rgba(34, 197, 94, 0.28);
  background: rgba(34, 197, 94, 0.08);
}

.status-error {
  border-color: rgba(251, 113, 133, 0.28);
  background: rgba(251, 113, 133, 0.1);
}

form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.82);
  color: var(--text);
  font: inherit;
}

input:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.helper-list {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  margin: 18px 0 0;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.metric-card {
  padding: 18px;
}

.metric-card span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.86rem;
}

.metric-card strong {
  font-size: 1.5rem;
}

.account-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.account-panel h2 {
  margin-bottom: 12px;
}

.account-links {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.account-links a {
  text-decoration: none;
}

.logout-form {
  margin-top: 18px;
}

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

  .auth-topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
}