/* ==========================================================================
   TCP123 UK — Client Support Portal Stylesheet
   Spelling Standard: Strict British English
   ========================================================================== */

.portal-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-primary);
  background: radial-gradient(circle at 50% 15%, rgba(0, 68, 179, 0.18) 0%, var(--color-primary) 70%);
  color: var(--color-text-main);
  font-family: var(--font-body);
}

/* 1. Portal Navigation Header */
.portal-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(9, 13, 22, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.portal-nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #cbd5e1;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-fast);
}

.back-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateX(-2px);
}

/* 2. Main Portal Wrapper */
.portal-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
}

.portal-card {
  width: 100%;
  max-width: 480px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .portal-card {
  background: rgba(21, 30, 50, 0.95);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* Top Accent Bar on Card */
.portal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-cyan));
}

.portal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(0, 68, 179, 0.1);
  color: var(--color-brand-blue);
  margin-bottom: 1rem;
}

[data-theme="dark"] .portal-badge {
  background: rgba(2, 132, 199, 0.2);
  color: var(--color-accent-cyan);
}

.portal-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

[data-theme="dark"] .portal-title {
  color: #ffffff;
}

.portal-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1.75rem;
}

[data-theme="dark"] .portal-subtitle {
  color: #94a3b8;
}

/* 3. Form Input Styling */
.portal-form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

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

[data-theme="dark"] .portal-label {
  color: #e2e8f0;
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper input {
  padding-right: 2.75rem;
}

.password-toggle-btn {
  position: absolute;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.password-toggle-btn:hover {
  color: var(--color-brand-blue);
}

[data-theme="dark"] .password-toggle-btn:hover {
  color: var(--color-accent-cyan);
}

.portal-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.forgot-link {
  color: var(--color-brand-blue);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.forgot-link:hover {
  text-decoration: underline;
}

[data-theme="dark"] .forgot-link {
  color: var(--color-accent-cyan);
}

/* 4. Feedback Notices */
.portal-alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-top: 1.25rem;
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.portal-alert-info {
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(2, 132, 199, 0.3);
  color: #0369a1;
}

[data-theme="dark"] .portal-alert-info {
  background: rgba(2, 132, 199, 0.18);
  border-color: rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
}

.portal-alert-error {
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.35);
  color: #b91c1c;
}

[data-theme="dark"] .portal-alert-error {
  background: rgba(220, 38, 38, 0.18);
  border-color: rgba(248, 113, 113, 0.4);
  color: #fca5a5;
}

/* 5. Trust Footer in Card */
.portal-trust-bar {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

[data-theme="dark"] .portal-trust-bar {
  border-top-color: rgba(255, 255, 255, 0.1);
  color: #94a3b8;
}

.portal-footer {
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: #64748b;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
  .portal-card {
    padding: 2rem 1.25rem;
  }
  .portal-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}