/* ==========================================================================
   Registration Multi-Step Form Styles
   ========================================================================== */

/* Registration Card - ensure full width within container */
.registration-page .auth-card {
    width: 100% !important;
    max-width: 800px;
    margin: 0 auto;
}

.registration-card {
    position: relative;
    overflow: hidden;
}

.registration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    animation: shimmer 3s infinite linear;
    background-size: 200% 100%;
}

@keyframes shimmer {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}

/* ==========================================================================
   Stepper Progress Bar
   ========================================================================== */

.registration-stepper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    padding: 0 var(--spacing-md);
}

.registration-stepper::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-base);
    color: var(--text-muted);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-sm);
}

.step-item.active .step-circle {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--text-on-accent);
    box-shadow: 0 0 0 4px rgba(var(--accent-primary-rgb), 0.2);
    transform: scale(1.1);
}

.step-item.completed .step-circle {
    background: var(--accent-success);
    border-color: var(--accent-success);
    color: var(--text-on-accent);
}

.step-label {
    font-size: var(--font-xs);
    color: var(--text-muted);
    text-align: center;
    max-width: 80px;
    transition: color var(--transition-base);
}

.step-item.active .step-label {
    color: var(--text-primary);
    font-weight: 600;
}

.step-item.completed .step-label {
    color: var(--accent-success);
}

.step-connector {
    position: absolute;
    top: 20px;
    left: 60%;
    width: calc(100% - 20px);
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step-item.completed .step-connector,
.step-item.active .step-connector {
    background: var(--accent-success);
}

/* Responsive Stepper */
@media (max-width: 768px) {
    .registration-stepper {
        padding: 0;
        gap: 4px;
    }
    
    .step-label {
        display: none;
    }
    
    .step-circle {
        width: 32px;
        height: 32px;
        font-size: var(--font-sm);
    }
    
    .registration-stepper::before {
        left: 20px;
        right: 20px;
    }
}

/* ==========================================================================
   Password Strength Meter
   ========================================================================== */

.password-strength-meter {
    margin-top: var(--spacing-sm);
}

.strength-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.strength-fill {
    height: 100%;
    width: 0%;
    transition: width var(--transition-base), background-color var(--transition-base);
}

.strength-fill.strength-1 { background-color: #ef4444; width: 16.66%; }
.strength-fill.strength-2 { background-color: #f97316; width: 33.33%; }
.strength-fill.strength-3 { background-color: #eab308; width: 50%; }
.strength-fill.strength-4 { background-color: #22c55e; width: 66.66%; }
.strength-fill.strength-5 { background-color: #16a34a; width: 83.33%; }
.strength-fill.strength-6 { background-color: #15803d; width: 100%; }

.strength-label {
    font-size: var(--font-xs);
    font-weight: 600;
    margin-top: var(--spacing-xs);
    text-align: right;
    color: var(--text-muted);
    transition: color var(--transition-base);
}

.strength-label.strength-1 { color: #ef4444; }
.strength-label.strength-2 { color: #f97316; }
.strength-label.strength-3 { color: #eab308; }
.strength-label.strength-4 { color: #22c55e; }
.strength-label.strength-5 { color: #16a34a; }
.strength-label.strength-6 { color: #15803d; }

.strength-feedback {
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    min-height: 18px;
}

.strength-feedback .requirement-met {
    color: var(--accent-success);
}

.strength-feedback .requirement-pending {
    color: var(--text-muted);
}

/* ==========================================================================
   Field States (Error / Success)
   ========================================================================== */

.field-error {
    color: var(--accent-error);
    font-size: var(--font-xs);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 4px;
}

.field-error::before {
    content: '⚠️';
    font-size: 12px;
}

.form-input.is-valid,
.form-select.is-valid {
    border-color: var(--accent-success) !important;
    box-shadow: 0 0 0 3px rgba(var(--accent-success-rgb), 0.1);
}

.form-input.is-invalid,
.form-select.is-invalid {
    border-color: var(--accent-error) !important;
    box-shadow: 0 0 0 3px rgba(var(--accent-error-rgb), 0.1);
}

.field-hint {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.field-hint i {
    color: var(--accent-info);
}

/* ==========================================================================
   Address Auto-fill
   ========================================================================== */

.address-autofill-notice {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(var(--accent-primary-rgb), 0.1);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    font-size: var(--font-sm);
    margin-bottom: var(--spacing-md);
}

.address-autofill-notice i {
    animation: pulse-soft 2s infinite;
}

/* Loading state for CEP */
#cep-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin-top: var(--spacing-xs);
}

/* ==========================================================================
   Summary Section (Step 5)
   ========================================================================== */

.summary-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.summary-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-lg);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-item.full-width {
    grid-column: 1 / -1;
}

.summary-label {
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.summary-value {
    font-size: var(--font-base);
    color: var(--text-primary);
    font-weight: 500;
}

/* Responsive summary */
@media (max-width: 600px) {
    .summary-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Consent Section (Step 5)
   ========================================================================== */

.consent-section {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-xl);
}

.consent-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-lg);
}

.checkbox-label {
    display: inline-flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-label a {
    color: var(--accent-primary);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Checkbox Groups (Consent Section)
   ========================================================================== */

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.checkbox-input-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-input-wrapper input[type="checkbox"] {
    margin-top: 3px;  /* Align with first line of label text */
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.checkbox-group .field-error {
    margin-left: calc(18px + var(--spacing-sm));
    margin-top: 2px;
}

/* ==========================================================================
   Checkbox Labels
   ========================================================================== */

.checkbox-label {
    display: inline-flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-label a {
    color: var(--accent-primary);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.form-actions .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-base);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    border: none;
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.btn-success {
    background: var(--accent-success);
    color: var(--text-on-accent);
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ==========================================================================
   Messages / Alerts
   ========================================================================== */

.messages {
    margin-bottom: var(--spacing-md);
}

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-success {
    background: rgba(var(--accent-success-rgb), 0.1);
    color: var(--accent-success);
    border: 1px solid rgba(var(--accent-success-rgb), 0.3);
}

.alert-error {
    background: rgba(var(--accent-error-rgb), 0.1);
    color: var(--accent-error);
    border: 1px solid rgba(var(--accent-error-rgb), 0.3);
}

.alert-warning {
    background: rgba(var(--accent-warning-rgb), 0.1);
    color: var(--accent-warning);
    border: 1px solid rgba(var(--accent-warning-rgb), 0.3);
}

/* ==========================================================================
   Focus States (Accessibility)
   ========================================================================== */

.form-input:focus,
.form-select:focus,
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.4);
}

/* High contrast mode for accessibility */
@media (prefers-contrast: high) {
    .form-input:focus,
    .form-select:focus {
        outline: 2px solid var(--accent-primary);
        outline-offset: 2px;
    }
}

/* ==========================================================================
   Animations (Micro-interactions)
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-content {
    animation: fadeInUp 0.3s ease-out;
}

/* Hover effects on form groups */
.form-group {
    transition: transform 0.2s ease;
}

/* ==========================================================================
   Mobile Optimizations
   ========================================================================== */

@media (max-width: 768px) {
    .registration-card {
        padding: var(--spacing-xl);
    }
    
    .form-actions {
        flex-direction: column-reverse;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}