/* Общие стили */
body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: 1px;
    color: #2c3e50 !important;
}

/* Карточки форм */
.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.05);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1.5rem 1.5rem 0.5rem;
    font-weight: 600;
}

/* Формы */
.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.btn {
    padding: 0.6rem 1.5rem;
    border: none;
    font-weight: 500;
    border-radius: 0.5rem;
}

.btn-primary {
    background-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
}

/* Главная страница */
.hero-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1rem;
    color: white;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
}

/* Страница регистрации / входа */
.auth-container {
    max-width: 450px;
    margin: 2rem auto;
}

.auth-card {
    border-radius: 1rem;
    overflow: hidden;
}

.auth-card .card-body {
    padding: 2rem;
}

/* Футер */
.footer {
    margin-top: 3rem;
    padding: 1.5rem 0;
    color: #6c757d;
    border-top: 1px solid #dee2e6;
}

/* Адаптивность */
@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
}

.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.element-card {
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.element-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.element-card.selected {
    border-color: #198754;
    background-color: #e8f5e9;
    box-shadow: 0 0 0 2px rgba(25,135,84,0.3);
}

.element-card img {
    width: 100%;
    height: 100px;
    object-fit: contain;
    background: #fff;
    border-radius: 4px;
    margin-bottom: 8px;
}

.element-card .code {
    font-weight: bold;
    font-size: 12px;
    margin-bottom: 4px;
}

.element-card .name {
    font-weight: bold;
    font-size: 14px;
}

.element-card .cost {
    font-size: 11px;
    color: #6c757d;
    word-break: break-word;
}