/* ==========================================================================
   Valdon Site Control 360 - Landing Page
   Two-column hero layout with inline authentication
   ========================================================================== */

/* Ensure GET STARTED button text is always white, overriding nav link defaults */
.auth-intro-nav-cta,
.auth-intro-nav-cta:link,
.auth-intro-nav-cta:visited,
.auth-intro-nav-cta:hover,
.auth-intro-nav-cta:active {
  color: #ffffff !important;
  text-decoration: none !important;
}

/* Also override any inherited colors from parent nav link rules */
.auth-intro-nav-links .auth-intro-nav-cta {
  color: #ffffff !important;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0; /* No gap between columns for the split background look */
  max-width: none;
  width: 100%;
}

/* Left column - Brand / Introduction */
.auth-intro {
  background: #f4f6fb;
  display: flex;
  flex-direction: column;
  padding: 32px 56px;
  position: relative;
  overflow: hidden;
}

.auth-intro-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-shrink: 0;
}

.auth-intro-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-on-surface);
}

.auth-intro-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.auth-intro-logo-text {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-navy-800);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.auth-intro-logo-sub {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.auth-intro-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.auth-intro-nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color 0.15s ease;
}

.auth-intro-nav-links a:hover {
  color: var(--color-primary);
}

.auth-intro-nav-cta {
  height: 38px;
  padding: 0 18px;
  background: var(--color-primary);
  color: #ffffff !important;
  border: 1px solid var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  transition: background-color 0.15s ease;
}

.auth-intro-nav-cta:visited {
  color: #ffffff !important;
}

.auth-intro-nav-cta:hover {
  background: var(--color-primary-hover);
  color: #ffffff !important;
}

.auth-intro-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 0;
}

.auth-intro-headline {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.05;
  color: var(--color-navy-900);
  letter-spacing: -0.03em;
  max-width: 540px;
  margin-bottom: 24px;
}

.auth-intro-text {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  max-width: 520px;
  margin-bottom: 36px;
}

.auth-intro-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.auth-intro-btn-primary {
  height: 46px;
  padding: 0 28px;
  background: var(--color-primary);
  color: #ffffff !important;
  border: 1px solid var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  transition: background-color 0.15s ease;
}

.auth-intro-btn-primary:visited {
  color: #ffffff !important;
}

.auth-intro-btn-primary:hover {
  background: var(--color-primary-hover);
  color: #ffffff !important;
}

.auth-intro-btn-secondary {
  height: 46px;
  padding: 0 28px;
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-outline-strong);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.auth-intro-btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.auth-intro-note {
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-weight: 500;
}

/* Right column - Authentication card */
.auth-panel-wrap {
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 32px 48px;
}

.auth-panel {
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--color-outline);
  box-shadow: none;
  padding: 36px 32px;
}

.auth-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-outline);
}

.auth-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-on-surface);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form .form-field {
  margin-bottom: 0;
}

.auth-form .form-field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-on-surface-variant);
  margin-bottom: 6px;
}

.auth-form .form-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-outline-strong);
  font-size: var(--text-base);
  font-family: var(--font);
  color: var(--color-on-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-form .form-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.12);
}

.auth-form .form-field input::placeholder {
  color: var(--color-muted);
}

.auth-form .form-field .input-with-icon input {
  padding-left: 38px;
  padding-right: 38px;
}

.auth-form .form-field .input-icon-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-form .form-field .input-icon-toggle .material-symbols-outlined {
  font-size: 20px;
  position: static;
  left: auto;
  transform: none;
}

.btn-block {
  width: 100%;
}

.auth-links {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.auth-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
}

.auth-links a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-outline);
}

.auth-footer {
  text-align: center;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--color-outline);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* Message box */
.message {
  padding: 10px 14px;
  border: 1px solid transparent;
  font-size: var(--text-sm);
  margin-bottom: 16px;
  display: none;
}

.message[hidden] {
  display: none;
}

.message:not([hidden]) {
  display: block;
}

.message.error {
  background: var(--color-error-container);
  color: var(--color-error-text);
  border-color: #f3b5b1;
}

.message.success {
  background: var(--color-success-container);
  color: var(--color-success-text);
  border-color: #b9e6ca;
}

.message.info {
  background: var(--color-primary-container);
  color: var(--color-primary);
  border-color: var(--color-primary-variant);
}

.message-text {
  font-size: var(--text-sm);
  color: inherit;
  margin: 0;
}

/* Role options for registration */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.role-options {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.role-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  border: 1px solid var(--color-outline-strong);
  background: var(--color-surface);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-on-surface-variant);
  transition: border-color 0.15s ease, color 0.15s ease;
  text-align: center;
}

.role-option:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.role-option input[type='radio'] {
  display: none;
}

.role-option:has(input[type='radio']:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

/* Hide/show auth states */
.auth-state {
  display: none;
}

.auth-state.is-active {
  display: block;
}

/* Responsive */
@media (max-width: 1024px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-intro {
    padding: 24px 32px;
    min-height: auto;
  }

  .auth-intro-body {
    padding: 32px 0;
  }

  .auth-intro-headline {
    font-size: 2.5rem;
  }

  .auth-panel-wrap {
    padding: 24px 32px 48px;
  }
}

@media (max-width: 640px) {
  .auth-intro {
    padding: 20px 20px;
  }

  .auth-intro-nav {
    flex-wrap: wrap;
    gap: 16px;
  }

  .auth-intro-nav-links {
    gap: 16px;
  }

  .auth-intro-headline {
    font-size: 2rem;
    max-width: 100%;
  }

  .auth-intro-text {
    font-size: var(--text-base);
    max-width: 100%;
  }

  .auth-intro-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .auth-intro-btn-primary,
  .auth-intro-btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .auth-panel-wrap {
    padding: 20px 20px 40px;
  }

  .auth-panel {
    padding: 28px 20px;
    max-width: 100%;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .role-options {
    grid-template-columns: 1fr;
  }
}