/* Dodatkowe style dla aplikacji */
.card-product {
    transition: transform 0.2s;
}

.card-product:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0.375rem;
}

.product-thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 0.375rem;
}

.stock-low {
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.stock-out {
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.dashboard-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

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

.dashboard-card .display-4 {
    font-weight: 300;
}

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

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.btn-file {
    position: relative;
    overflow: hidden;
}

.btn-file input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    font-size: 100px;
    text-align: right;
    filter: alpha(opacity=0);
    opacity: 0;
    outline: none;
    background: white;
    cursor: inherit;
    display: block;
}

.filter-form {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.stats-card {
    border-left: 4px solid #007bff;
    background: linear-gradient(45deg, #f8f9fa, #ffffff);
}

.alert-custom {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}