/**
 * Auth Pages CSS - Premium Dark Mode
 * GlobalPVP - Modern Authentication Design
 */

/* Auth Page Layout */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, 
        var(--bg) 0%, 
        var(--bg-elev) 50%, 
        var(--bg) 100%);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(122, 240, 179, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.auth-wrapper {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.3),
        0 10px 10px -5px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.5;
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--text);
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

.form-input {
    padding: 1rem 1.25rem;
    background: var(--bg-elev);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: var(--card);
}

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

.form-error {
    color: var(--error);
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.5rem 0;
}

.form-checkbox input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-checkbox label {
    color: var(--muted);
    font-size: 0.875rem;
    cursor: pointer;
    user-select: none;
}

/* Auth Button */
.auth-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), #5a67d8);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

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

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Auth Links */
.auth-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
    text-align: center;
}

.auth-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-link:hover {
    color: var(--accent);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--muted);
    font-size: 0.875rem;
}

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

/* Social Login */
.social-login {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-btn {
    flex: 1;
    padding: 0.875rem;
    background: var(--bg-elev);
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-btn:hover {
    border-color: var(--primary);
    background: var(--card);
    transform: translateY(-1px);
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
}

.strength-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.strength-fill {
    height: 100%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-weak .strength-fill {
    width: 33%;
    background: var(--error);
}

.strength-medium .strength-fill {
    width: 66%;
    background: var(--warn);
}

.strength-strong .strength-fill {
    width: 100%;
    background: var(--accent);
}

.strength-text {
    font-size: 0.75rem;
    color: var(--muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-page {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }
    
    .auth-title {
        font-size: 1.75rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .social-login {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 1.5rem 1rem;
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    .form-input {
        padding: 0.875rem 1rem;
    }
}

/* Loading State */
.auth-btn.loading {
    pointer-events: none;
}

.auth-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success/Error Messages */
.flash-message {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.flash-success {
    background: rgba(122, 240, 179, 0.1);
    border: 1px solid rgba(122, 240, 179, 0.3);
    color: var(--accent);
}

.flash-error {
    background: rgba(255, 122, 122, 0.1);
    border: 1px solid rgba(255, 122, 122, 0.3);
    color: var(--error);
}

.flash-warning {
    background: rgba(255, 186, 107, 0.1);
    border: 1px solid rgba(255, 186, 107, 0.3);
    color: var(--warn);
}

/* Password Input with Toggle */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper .form-input {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle:hover {
    color: var(--primary);
    background: rgba(102, 126, 234, 0.1);
}

/* Custom Checkbox */
.form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    color: var(--muted);
    font-size: 0.875rem;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    background: var(--bg-elev);
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    color: var(--muted);
    transition: color 0.3s ease;
}

.checkbox-label:hover .checkbox-text {
    color: var(--text);
}

/* Auth Footer */
.auth-footer {
    margin-top: 2rem;
    text-align: center;
}

.auth-footer .auth-links {
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.auth-register p {
    color: var(--muted);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

/* Auth Benefits (for login page) */
.auth-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
}

/* Single card layout (register, forgot password) */
.auth-wrapper.single-card {
    max-width: 480px;
    grid-template-columns: 1fr;
}

/* Centered wrapper for forgot password, etc */
.auth-wrapper--centered {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

@media (min-width: 1024px) {
    .auth-wrapper:not(.single-card) {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.auth-benefits {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.auth-benefits h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.benefit-item svg {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.benefit-item span {
    color: var(--text);
    font-weight: 500;
    line-height: 1.5;
}

/* Mobile adjustments for benefits */
@media (max-width: 1023px) {
    .auth-benefits {
        order: 2;
    }
    
    .auth-card {
        order: 1;
    }
}

@media (max-width: 768px) {
    .auth-benefits {
        padding: 2rem 1.5rem;
    }
    
    .benefits-list {
        gap: 1rem;
    }
    
    .benefit-item {
        padding: 0.75rem;
    }
}