/* Главная страница - полностью адаптивный дизайн */

/* Центрирование контента */
.container.mt-5 {
    margin-top: 3rem !important;
}

@media (max-width: 768px) {
    .container.mt-5 {
        margin-top: 2rem !important;
    }
}

@media (max-width: 576px) {
    .container.mt-5 {
        margin-top: 2rem !important;
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* Карточка */
.card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .card {
        border-radius: 15px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }
}

/* Заголовок карточки */
.card-header {
    border-radius: 17px 17px 0 0 !important;
    background: #071D49 !important;
    color: white;
    padding: 1.5rem;
}

@media (max-width: 768px) {
    .card-header {
        padding: 1.2rem;
    }

        .card-header h3 {
            font-size: 1.5rem;
            margin-bottom: 0.3rem;
        }

        .card-header p {
            font-size: 0.85rem;
        }
}

@media (max-width: 576px) {
    .card-header {
        padding: 1rem;
    }

        .card-header h3 {
            font-size: 1.3rem;
        }

        .card-header p {
            font-size: 0.75rem;
        }
}

/* Тело карточки */
.card-body {
    padding: 2rem;
}

@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 1.2rem;
    }
}

/* Навигационные вкладки */
.nav-tabs {
    border-bottom: 2px solid #dee2e6;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

    .nav-tabs .nav-item {
        flex: 1 1 auto;
    }

    .nav-tabs .nav-link {
        color: #495057;
        font-weight: 500;
        border: none;
        padding: 0.75rem 1rem;
        font-size: 1rem;
        text-align: center;
        white-space: nowrap;
        border-radius: 0;
        transition: all 0.3s;
    }

        .nav-tabs .nav-link i {
            margin-right: 5px;
        }

        .nav-tabs .nav-link.active {
            color: #667eea;
            background: none;
            border-bottom: 3px solid #667eea;
            font-weight: 600;
        }

@media (max-width: 576px) {
    .nav-tabs {
        flex-direction: column;
        border-bottom: none;
        gap: 8px;
    }

        .nav-tabs .nav-item {
            width: 100%;
        }

        .nav-tabs .nav-link {
            border-radius: 15px;
            background: #f8f9fa;
            padding: 0.6rem;
            font-size: 0.95rem;
            border: 1px solid #dee2e6;
        }

            .nav-tabs .nav-link.active {
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                color: white;
                border-bottom: none;
                border: 1px solid transparent;
            }

            .nav-tabs .nav-link i {
                margin-right: 8px;
            }
}

/* Формы */
.form-label {
    font-weight: 500;
    color: #495057;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

@media (max-width: 576px) {
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }
}

.form-control, .form-select {
    border-radius: 20px;
    border: 2px solid #e0e0e0;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-size: 1rem;
    width: 100%;
}

@media (max-width: 768px) {
    .form-control, .form-select {
        padding: 0.6rem 0.8rem;
        border-radius: 15px;
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .form-control, .form-select {
        padding: 0.5rem 0.7rem;
        border-radius: 12px;
        font-size: 0.9rem;
    }
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-text {
    color: #6c757d;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

@media (max-width: 576px) {
    .form-text {
        font-size: 0.75rem;
    }
}

/* Группа радио-кнопок */
.card.bg-light {
    background: #f8f9fa !important;
    border: 2px solid #e9ecef;
    border-radius: 20px;
    padding: 1rem !important;
}

@media (max-width: 768px) {
    .card.bg-light {
        border-radius: 15px;
        padding: 1rem !important;
    }
}

@media (max-width: 576px) {
    .card.bg-light {
        border-radius: 12px;
        padding: 0,8rem !important;
    }
}

.form-check {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: background-color 0.2s;
}

@media (max-width: 576px) {
    .form-check {
        padding: 0.4rem 0.8rem;
        border-radius: 12px;
    }

    .form-check-label {
        font-size: 0.9rem;
    }

        .form-check-label small {
            font-size: 0.75rem;
        }
}

.form-check:hover {
    background: rgba(102, 126, 234, 0.05);
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

/* Кнопки */
.btn-primary, .btn-success {
    padding: 12px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    border-radius: 20px;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.btn-success {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

    .btn-primary:hover, .btn-success:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    }

@media (max-width: 768px) {
    .btn-primary, .btn-success {
        padding: 10px;
        font-size: 1rem;
        border-radius: 15px;
    }
}

@media (max-width: 576px) {
    .btn-primary, .btn-success {
        padding: 8px;
        font-size: 0.95rem;
        border-radius: 12px;
    }
}

.btn-lg {
    font-size: 1.1rem;
    padding: 12px;
}

@media (max-width: 576px) {
    .btn-lg {
        font-size: 1rem;
        padding: 10px;
    }
}

/* Сообщение об ошибке */
.alert {
    border-radius: 20px;
    border: none;
    padding: 1rem;
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .alert {
        border-radius: 15px;
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .alert {
        border-radius: 12px;
        padding: 0.6rem;
        font-size: 0.85rem;
        margin-top: 1rem;
    }
}

/* Информация о комнате */
#lastRoomInfo {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 0.8rem;
    font-size: 0.9rem;
    word-break: break-word;
}

@media (max-width: 576px) {
    #lastRoomInfo {
        padding: 0.6rem;
        font-size: 0.8rem;
    }

        #lastRoomInfo .btn-sm {
            padding: 0.2rem 0.4rem;
            font-size: 0.7rem;
        }
}

/* Футер карточки */
.card-footer {
    border-radius: 0 0 20px 20px !important;
    background: #f8f9fa;
    padding: 1rem;
}

@media (max-width: 576px) {
    .card-footer {
        padding: 0.8rem;
        font-size: 0.75rem;
    }
}