/* ==========================================
   Стили для страниц авторизации - auth.css
   ========================================== */

.auth-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-box {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 2rem;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo h1 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin: 0;
}

.auth-logo img {
    max-width: 120px;
    margin-bottom: 1rem;
}

/* Tabs */
.auth-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: -2px;
}

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

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

/* Tab Content */
.tab-content {
    display: none;
}

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

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

/* Form */
.auth-form {
    margin-bottom: 1.5rem;
}

.auth-form .form-group {
    margin-bottom: 1.25rem;
}

.auth-form input {
    padding: 0.875rem;
    font-size: 1rem;
}

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

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-color);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.forgot-password {
    color: var(--primary-color);
    font-weight: 500;
}

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

/* Divider */
.auth-divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    position: relative;
    background: var(--card-bg);
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Social Auth */
.social-auth {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.social-btn:hover {
    border-color: var(--primary-color);
    background: #f8f9fa;
}

.social-btn img {
    width: 20px;
    height: 20px;
}

/* Google Sign-In Button Wrapper */
.g_id_signin {
    width: 100% !important;
}

/* Back Button */
.back-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-btn:hover {
    text-decoration: underline;
}

/* Reset Password Form */
#resetTab h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

#resetTab p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-box {
        padding: 1.5rem;
    }
    
    .auth-logo h1 {
        font-size: 1.75rem;
    }
    
    .tab-btn {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    .auth-page {
        background: linear-gradient(135deg, #434343 0%, #000000 100%);
    }
    
    .social-btn:hover {
        background: #3a3a3a;
    }
}

/* Loading State */
.auth-form.loading {
    opacity: 0.6;
    pointer-events: none;
}

.auth-form.loading .btn {
    position: relative;
}

.auth-form.loading .btn::after {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    transition: var(--transition);
    border-radius: 2px;
}

.password-strength-bar.weak {
    width: 33%;
    background: var(--danger-color);
}

.password-strength-bar.medium {
    width: 66%;
    background: var(--warning-color);
}

.password-strength-bar.strong {
    width: 100%;
    background: var(--success-color);
}

/* Validation Messages */
.validation-message {
    font-size: 0.875rem;
    margin-top: 0.25rem;
    color: var(--danger-color);
}

.validation-message.success {
    color: var(--success-color);
}