/* ===================================
   AUTHENTICATION PAGES STYLES
   =================================== */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.auth-box {
    width: 100%;
    max-width: 600px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
    animation: fadeIn 0.5s ease-out;
}

.auth-box-small {
    max-width: 450px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-tertiary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--text-primary);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-header .logo {
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Free Trial Banner */
.free-trial-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

.banner-icon {
    font-size: 1.5rem;
}

.free-trial-banner strong {
    color: var(--success);
    display: block;
}

.free-trial-banner span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Multi-step Form */
.auth-form {
    margin-bottom: var(--spacing-lg);
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

/* Skills Input */
.skills-input {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    min-height: 100px;
    transition: all var(--transition-base);
}

.skills-input:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.skill-tag-input {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.375rem 0.75rem;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.skill-tag-remove {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    margin-left: var(--spacing-xs);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.skill-tag-remove:hover {
    opacity: 1;
}

.skills-input input {
    flex: 1;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.skills-input input:focus {
    outline: none;
    box-shadow: none;
}

/* Plan Selector */
.plan-selector {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.plan-option {
    position: relative;
}

.plan-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.plan-option label {
    display: block;
    padding: var(--spacing-lg);
    background: var(--bg-elevated);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.plan-option:hover label {
    border-color: var(--border-hover);
    background: var(--bg-tertiary);
}

.plan-option input:checked + label {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 0 1px var(--accent-primary);
}

.plan-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.plan-name {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.plan-badge {
    padding: 0.25rem 0.625rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.plan-badge-standard {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.plan-badge-featured {
    background: var(--gradient-primary);
    border: none;
    color: white;
}

.plan-price {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.plan-price span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

.plan-stock {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
    margin-bottom: var(--spacing-md);
    padding: 0.25rem 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.plan-stock.sold-out {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.plan-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.plan-features span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Payment Section */
.payment-info {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.payment-info h4 {
    margin-bottom: var(--spacing-sm);
}

.payment-info p {
    color: var(--text-secondary);
    margin: 0;
}

#paypal-button-container {
    margin-top: var(--spacing-lg);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.form-actions .btn {
    flex: 1;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    color: var(--text-secondary);
    margin: 0;
}

.auth-footer a {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Error/Success Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

/* Responsive */
@media (max-width: 640px) {
    .auth-box {
        padding: var(--spacing-lg);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .plan-selector {
        grid-template-columns: 1fr;
    }
}