:root {
  color-scheme: light;
  --cc-bg: #f5f5f7;
  --cc-bg-alt: rgba(255, 255, 255, 0.85);
  --cc-text: #1d1d1f;
  --cc-muted: #6e6e73;
  --cc-border: rgba(60, 60, 67, 0.12);
  --cc-primary: #007aff;
  --cc-primary-dark: #0060d1;
}

[data-theme="dark"] {
  color-scheme: dark;
  --cc-bg: #0f1115;
  --cc-bg-alt: rgba(22, 24, 28, 0.85);
  --cc-text: #f5f5f7;
  --cc-muted: #a1a1a6;
  --cc-border: rgba(255, 255, 255, 0.1);
  --cc-primary: #0a84ff;
  --cc-primary-dark: #409cff;
}

body {
  background: radial-gradient(circle at top, rgba(0, 122, 255, 0.12), transparent 55%), var(--cc-bg);
  min-height: 100vh;
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--cc-text);
}

.page-title {
  font-size: clamp(1.7rem, 1.2rem + 1.2vw, 2.2rem);
  letter-spacing: -0.02em;
}

.page-subtitle {
  color: var(--cc-muted);
  font-size: 1rem;
}

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
}

.login-card {
  border: 1px solid var(--cc-border);
  border-radius: 1.4rem;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
  overflow: hidden;
  background: var(--cc-bg-alt);
  backdrop-filter: blur(16px);
}

.login-visual {
  background: linear-gradient(135deg, #0a84ff 0%, #5ac8fa 50%, #7dd6ff 100%);
  color: #fff;
  padding: 3rem;
}

.login-visual h2 {
  font-weight: 700;
}

.login-visual p {
  opacity: 0.85;
}

.login-form {
  padding: 3rem;
}

.login-form .form-control {
  border-radius: 0.9rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--cc-border);
  background: var(--cc-bg-alt);
  color: var(--cc-text);
}

.login-form .form-control:focus {
  border-color: rgba(0, 122, 255, 0.5);
  box-shadow: 0 0 0 0.2rem rgba(0, 122, 255, 0.18);
}

.login-form .btn {
  border-radius: 0.95rem;
  padding: 0.8rem 1rem;
  font-weight: 600;
}

.login-form .btn-primary {
  background: var(--cc-primary);
  border-color: var(--cc-primary);
  box-shadow: 0 14px 28px rgba(0, 122, 255, 0.25);
}

.login-form .btn-primary:hover {
  background: var(--cc-primary-dark);
  border-color: var(--cc-primary-dark);
}

.login-meta {
  font-size: 0.9rem;
  color: var(--cc-muted);
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .page-subtitle,
[data-theme="dark"] .login-meta {
  color: var(--cc-muted) !important;
}

[data-theme="dark"] .login-form,
[data-theme="dark"] .login-form .form-control {
  color: var(--cc-text);
}

@media (max-width: 991.98px) {
  .login-shell {
    align-items: stretch;
    padding: 2rem 1.25rem;
  }

  .login-form {
    padding: 2.5rem 2rem;
  }
}

@media (max-width: 575.98px) {
  .login-shell {
    min-height: auto;
    padding: 1.5rem 1rem 2rem;
  }

  .login-card {
    border-radius: 1.1rem;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  }

  .login-form {
    padding: 2rem 1.5rem;
  }

  .login-form .form-control,
  .login-form .btn {
    font-size: 1rem;
  }

  .login-meta {
    text-align: center;
  }
}