/* Main stylesheet for the student management UI. Contains layout, form and table styles. */
body { 
    background-color: #f4f4f4;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 10px;  
}

h1 {
    color: #333;
    text-align: center;
    font-size: 24px;
    margin: 10px 0;
}
.card {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin: 10px auto;
    padding: 15px;
    max-width: 650px;
    overflow-x: auto;
}
.card h2 {
    color: #555;
    margin-top: 0;
    font-size: 18px;
    margin-bottom: 10px;
}
.card h3 {
    color: #555;
    margin-top: 12px;
    margin-bottom: 8px;
    font-size: 14px;
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 5px;
}
input,select {
    width: 100%;
    padding: 7px;
    margin: 6px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 13px;
}
button {
    background-color: #28a745;
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 13px;
}
button:hover {
    background-color: #218838;
}
.promote-btn {
    background-color: #007bff;
    padding: 4px 8px;
    font-size: 11px;
}
.promote-btn:hover {
    background-color: #0069d9;
}
#promoteAllBtn {
    background-color: #0069d9;
    color: #fff;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    margin-bottom: 6px;
}
#promoteAllBtn:hover { background-color: #0056b3; }
.card form button {
    width: 100%;
    padding: 8px;
    margin: 8px 0;
}
button[onclick*="deleteStudent"] {
    width: auto;
    padding: 4px 8px;
    background-color: #28a745;
    font-size: 11px;
}
button[onclick*="deleteStudent"]:hover {
    background-color: #218838;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    min-width: 600px;
    font-size: 12px;
}
th, td {
    border: 1px solid #ddd;
    padding: 6px 4px;
    text-align: center;
    word-wrap: break-word;
}
th {
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
    font-size: 11px;
}
tr:nth-child(even) {
    background-color: #f9f9f9;
}
tr:hover {
    background-color: #f5f5f5;
}
footer {
    text-align: center;
    margin-top: 15px;
    color: #777;
    font-size: 12px;
}

/* Search functionality styles */
#searchBtn, #clearSearchBtn {
    background-color: #007bff;
    color: white;
    padding: 8px 16px;
    margin-right: 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}
#searchBtn:hover {
    background-color: #0056b3;
}
#clearSearchBtn {
    background-color: #28a745;
}
#clearSearchBtn:hover {
    background-color: #218838;
}
#searchResults {
    display: none;
    background-color: #e8f5e9;
    border-left: 4px solid #4CAF50;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    color: #2e7d32;
    font-size: 13px;
}

.spaced {
    margin-top: 18px;
}
.search-input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    box-sizing: border-box;
}
.search-controls {
    margin-bottom: 15px;
}
.note {
    font-size:12px;
    color:#555;
    margin-top:8px;
}
footer .credit {
    font-size:12px;
    color:#666;
    margin-top:4px;
}