:root {
  --a-bg: #0a0e14;
  --a-card: #161d26;
  --a-text: #e8edf4;
  --a-muted: #94a3b8;
  --a-border: #2d3748;
  --a-accent: #f97316;
  --a-accent-soft: rgba(249, 115, 22, 0.18);
}

body.auth-body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--a-bg);
  color: var(--a-text);
  display: flex;
  flex-direction: column;
}

.auth-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.auth-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  font-weight: 700;
  font-size: clamp(0.75rem, 2.5vw, 0.95rem);
  flex-wrap: wrap;
  max-width: min(100%, 20rem);
  color: var(--a-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.auth-brand:hover {
  opacity: 0.92;
  text-decoration: none;
}
.auth-brand .logo-icon {
  font-size: 1.5rem;
  line-height: 1;
  margin-right: 6px;
  opacity: 0.95;
}
.auth-brand .logo-text {
  color: var(--a-text);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.auth-brand .logo-powered {
  font-weight: 600;
  color: var(--a-muted);
  font-size: 0.88em;
}
.auth-brand .logo-accent {
  background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem 3rem;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--a-card);
  border: 1px solid var(--a-border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.35);
}

.auth-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  text-align: center;
}

.auth-sub {
  text-align: center;
  color: var(--a-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}

.auth-field {
  margin-bottom: 1rem;
}
.auth-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}
.auth-field input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--a-border);
  border-radius: 8px;
  font-size: 1rem;
  background: #0a0e14;
  color: var(--a-text);
}
.auth-field input:focus {
  outline: none;
  border-color: var(--a-accent);
  box-shadow: 0 0 0 3px var(--a-accent-soft);
}

.btn-a {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  background: var(--a-accent);
  color: #fff;
  cursor: pointer;
  font-family: inherit;
}
.btn-a:disabled {
  opacity: 0.5;
}

.auth-error {
  display: none;
  padding: 0.6rem 0.75rem;
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.auth-error.visible {
  display: block;
}

.auth-footer {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--a-muted);
}
.auth-footer a {
  color: var(--a-accent);
  font-weight: 500;
}