.alert {
	padding: 1em;
	border-radius: 0.25em;
	margin-bottom: 1em;
	display: none;
}

.alert.show {
	display: block;
}

.alert-success {
	background: #d4edda;
	color: #155724;
	border: 1px solid #c3e6cb;
}

.alert-error {
	background: #f8d7da;
	color: #721c24;
	border: 1px solid #f5c6cb;
}

.empty-state {
	text-align: center;
	padding: 3em;
	opacity: 0.6;
	font-style: italic;
}

#scheduleTable {
	width: 100%;
	border-collapse: collapse;
	margin-top: 1em;
}

#scheduleTable th,
#scheduleTable td {
	padding: 1em;
	text-align: center;
	border: 1px solid #ddd;
	vertical-align: middle;
}

#scheduleTable th {
	background-color: #007bff;
	color: white;
	font-weight: bold;
}

#scheduleTable td.ora-column {
	font-weight: bold;
	background-color: rgba(0, 0, 0, 0.02) !important;
	text-align: left;
	min-width: 100px;
}

#scheduleTable td.lezione {
	background-color: rgba(163, 23, 30, 0.1) !important;
	color: #a3171e;
	font-weight: bold;
}

#scheduleTable tbody tr:hover td:not(.ora-column) {
	background-color: #f0f0f0;
}