/* ========================================
   Authentication Styles - Gaming Platform
   ======================================== */

/* Auth Container */
.auth-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.logo {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.auth-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* Auth Cards Grid */
.auth-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

/* Auth Card */
.auth-card {
    background: linear-gradient(135deg, rgba(20, 24, 36, 0.8), rgba(30, 36, 48, 0.6));
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    min-height: 520px;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.auth-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, transparent, rgba(0, 217, 255, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.auth-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.3);
}

.auth-card:hover::before,
.auth-card:hover::after {
    opacity: 1;
}

.auth-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.25);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(179, 136, 255, 0.05));
}

.auth-card.featured::before {
    opacity: 1;
}

/* Card Badge */
.card-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--primary-color);
    color: var(--background);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Card Icon */
.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    filter: drop-shadow(0 4px 8px rgba(0, 217, 255, 0.3));
}

/* Card Title & Description */
.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.card-description {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* Benefits Compact */
.benefits-compact {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.benefit-item {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: var(--spacing-xs) 0;
    transition: var(--transition);
}

.benefit-item:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

/* Auth Buttons */
.btn-auth {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: auto;
}

.btn-auth::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-auth:hover::before {
    width: 400px;
    height: 400px;
}

.btn-auth-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-auth-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-auth-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.5);
}

.btn-auth-secondary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    color: var(--text-primary);
    border: 2px solid var(--border-light);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-auth-secondary:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.2);
}

.btn-auth-secondary:active {
    transform: translateY(-1px);
}

.btn-icon {
    font-size: 1.4rem;
}

/* Auth Status Messages */
.auth-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    text-align: center;
    display: none;
    animation: slideIn 0.3s ease;
}

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

.auth-status.info {
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.auth-status.success {
    background: rgba(105, 240, 174, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.auth-status.error {
    background: rgba(255, 61, 113, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

/* Loading Animation */
.auth-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: var(--spacing-sm);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* User Info in Navigation */
.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
}

.user-info #userName {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}


.btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-logout:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

/* Modal Styles (for existing modal in index.html) */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--background-light);
    margin: 5% auto;
    padding: var(--spacing-2xl);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: 600;
}

.close-modal {
    color: var(--text-muted);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--text-primary);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--surface);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Auth Info Box */
.auth-info {
    background: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 3px solid var(--primary-color);
}

.auth-info p {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.benefits-list {
    list-style: none;
    padding: 0;
}

.benefits-list li {
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 217, 255, 0.2);
}

.form-group small {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

/* Modal Buttons */
.btn-primary,
.btn-secondary {
    width: 100%;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: var(--spacing-sm);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--background);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 217, 255, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

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

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

/* Status Messages */
.status-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    text-align: center;
    font-weight: 500;
}

.status-message.info {
    background: rgba(0, 217, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.status-message.success {
    background: rgba(105, 240, 174, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-message.error {
    background: rgba(255, 61, 113, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

/* Responsive Design */
@media (max-width: 968px) {
    .auth-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .logo {
        font-size: 3rem;
    }
    
    .auth-header h1 {
        font-size: 2rem;
    }
    
    .auth-subtitle {
        font-size: 0.95rem;
    }
    
    .auth-card {
        padding: var(--spacing-lg);
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: var(--spacing-lg);
        max-height: 95vh;
    }
    
    .user-info {
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .user-info #userName {
        font-size: 0.85rem;
    }
    
    .btn-logout {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .auth-header h1 {
        font-size: 1.5rem;
    }
    
    .auth-container {
        padding: var(--spacing-lg) 0;
    }
    
    .card-badge {
        font-size: 0.7rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .auth-benefits {
        padding: var(--spacing-md);
    }
    
    .auth-benefits li {
        font-size: 0.85rem;
    }
}