* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg-subtle);
  -webkit-font-smoothing: antialiased;
}

.login-page {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 1fr 1fr;
}

.login-brand {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem;
  background: var(--brand-gradient);
  color: white;
}

.login-brand-top a {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: white;
  font-weight: 700;
  font-size: 1.15rem;
}

.login-brand-top img,
.login-brand-top .brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

.login-brand-content {
  max-width: 28rem;
}

.login-brand-content h1 {
  margin-bottom: 1rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.2;
}

.login-brand-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
}

.login-brand-footer {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
}

.login-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background: var(--bg);
  box-shadow: var(--shadow-lg);
}

.login-card-header {
  margin-bottom: 2rem;
}

.login-card-header h2 {
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
  color: var(--primary);
}

.login-card-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

.error-banner {
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  border-radius: 0.6rem;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 0.875rem;
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.8rem 1.25rem;
  border: none;
  border-radius: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.login-back {
  display: block;
  margin-top: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.login-back:hover {
  color: var(--accent);
}

.login-register {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.login-register a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.login-register a:hover {
  text-decoration: underline;
}

.form-group .optional {
  font-weight: 400;
  color: var(--text-muted);
}

.login-version {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .login-page {
    grid-template-columns: 1fr;
  }

  .login-brand {
    min-height: auto;
    gap: 2rem;
  }

  .login-brand-content h1 {
    font-size: 1.5rem;
  }

  .login-brand-footer {
    display: none;
  }
}