body {
    font-family: sans-serif;
    max-width: 600px;
    margin: 2rem auto;
    padding: 1rem;
}

h1 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.5rem;
}

/* INPUT GROUP */
.input-group {
    background: #eee;
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

input,
select {
    padding: 8px;
    flex: 1;
    min-width: 100px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 8px 16px;
    cursor: pointer;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: bold;
}

button:hover {
    background: #218838;
}

/* STATISTICHE */
.stats-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: space-around;
}

.stat {
    background: #f0f0f0;
    padding: 1rem;
    border-radius: 8px;
    flex: 1;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 1.3rem;
    font-weight: bold;
    color: #28a745;
}

/* CATEGORIE */
.categoria-card {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 0.8rem;
    margin-bottom: 1rem;
}

.categoria-card h3 {
    margin: 0 0 0.6rem 0;
    font-size: 0.95rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.spese-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.spesa-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem;
    border-bottom: 1px solid #f0f0f0;
    gap: 0.5rem;
}

.spesa-item:last-child {
    border-bottom: none;
}

.spesa-item span {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-elimina {
    padding: 3px 6px;
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.btn-elimina:hover {
    background: #c82333;
}

.nessuna-spesa {
    text-align: center;
    color: #999;
    padding: 1.5rem;
    font-size: 0.95rem;
}

/* BUTTON GROUP */
.button-group {
    display: flex;
    gap: 10px;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #ddd;
}

.btn-delete {
    background: #dc3545;
    flex: 1;
}

.btn-delete:hover {
    background: #c82333;
}