/* ============================================
   СТИЛИ ДЛЯ СТРАНИЦЫ ВХОДА
   ============================================ */

/* Скрываем сайдбар на странице логина */
body:has(.login-container) .sidebar,
body:has(.login-container) .sidebar.desktop-only {
    display: none !important;
}

/* Основной контент занимает всю ширину на странице логина */
body:has(.login-container) .main-content {
    width: 100%;
    max-width: 100%;
}

body:has(.login-container) .app-layout {
    flex-direction: column;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 250px);
    padding: var(--spacing-xl);
}

.login-form-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(102, 126, 234, 0.05);
    width: 100%;
    max-width: 480px;
    padding: 3rem;
    border: 1px solid var(--gray-100);
    animation: fadeIn 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.login-form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Заголовок формы входа */
.login-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    gap: 1.25rem;
}

.login-header h2 {
    color: var(--gray-900);
    margin: 0;
    font-weight: 700;
    font-size: 1.75rem;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex: 1;
}

.login-logo {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    width: 70px;
    height: 70px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(102, 126, 234, 0.1);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Информационное сообщение */
.login-form-card .alert {
    margin-bottom: var(--spacing-xl);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Форма входа */
.login-form .form-group {
    margin-bottom: 1.75rem;
}

.login-form label {
    display: block;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-form .form-control {
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    font-size: 1rem;
    background: var(--bg-primary);
    position: relative;
}

.login-form .form-group {
    position: relative;
}

.login-form .form-group i {
    position: absolute;
    left: 1.25rem;
    top: calc(50% + 12px);
    color: var(--gray-400);
    font-size: 1.125rem;
    transition: color var(--transition-base);
    pointer-events: none;
}

.login-form .form-control:focus + i,
.login-form .form-control:not(:placeholder-shown) + i {
    color: var(--primary-color);
}

.login-form .form-control:hover {
    border-color: var(--gray-300);
}

.login-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background: var(--bg-primary);
}

/* Кнопка входа */
.login-button {
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.0625rem;
    transition: all var(--transition-base);
    margin-top: var(--spacing-lg);
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(102, 126, 234, 0);
    position: relative;
    overflow: hidden;
}

.login-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.login-button:hover::before {
    width: 400px;
    height: 400px;
}

.login-button:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary-color));
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(102, 126, 234, 0.15);
}

.login-button:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.login-button i {
    margin-right: 0.625rem;
}

/* Дополнительные элементы */
.login-form-card .form-text {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--gray-500);
    font-size: 0.875rem;
}

.login-form-card .form-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.login-form-card .form-text a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Декоративные элементы */
.login-form-card::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(240, 147, 251, 0.05));
    border-radius: 50%;
    z-index: 0;
}

.login-form {
    position: relative;
    z-index: 1;
}

/* ============================================
   АДАПТИВНЫЙ ДИЗАЙН
   ============================================ */

@media (max-width: 768px) {
    .login-container {
        padding: var(--spacing-lg);
        min-height: calc(100vh - 200px);
    }
    
    .login-form-card {
        padding: 2.5rem;
    }
    
    .login-header h2 {
        font-size: 1.5rem;
    }
    
    .login-logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .login-container {
        padding: var(--spacing-md);
    }
    
    .login-form-card {
        box-shadow: var(--shadow-md);
        padding: 2rem;
        border-radius: var(--radius-xl);
    }
    
    .login-form-card::after {
        width: 200px;
        height: 200px;
        bottom: -80px;
        right: -80px;
    }
    
    .login-header {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .login-header h2 {
        font-size: 1.375rem;
    }
    
    .login-logo {
        width: 65px;
        height: 65px;
        font-size: 1.625rem;
    }
    
    .login-form .form-group {
        margin-bottom: 1.5rem;
    }
    
    .login-form label {
        font-size: 0.875rem;
    }
    
    .login-form .form-control {
        padding: 0.9375rem 1.125rem;
        font-size: 0.9375rem;
    }
    
    .login-button {
        padding: 0.9375rem 1.375rem;
        font-size: 1rem;
    }
    
    .login-form-card .alert {
        font-size: 0.875rem;
        padding: 0.875rem 1.125rem;
    }
}

@media (max-width: 420px) {
    .login-form-card {
        padding: 1.5rem;
    }
    
    .login-header h2 {
        font-size: 1.25rem;
    }
    
    .login-logo {
        width: 55px;
        height: 55px;
        font-size: 1.375rem;
    }
}