/* AI (Claude) assisted with styling */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
    background-color: #f5f5f5;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #333;
}

h1 {
    font-size: 1.5rem;
    color: #333;
}

.student-name {
    color: #666;
    font-size: 0.9rem;
    margin-top: 5px;
}

.status {
    text-align: right;
    color: #666;
    font-size: 0.85rem;
    min-width: 150px;
}

nav {
    margin: 20px 0;
}

nav a {
    display: inline-block;
    margin-right: 15px;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.2s;
}

nav a:hover {
    background-color: #0056b3;
}

.btn {
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.btn-add {
    background-color: #28a745;
    color: white;
    margin-bottom: 20px;
}

.btn-add:hover {
    background-color: #218838;
}

.btn-back {
    background-color: #6c757d;
    color: white;
}

.btn-back:hover {
    background-color: #545b62;
}

.btn-remove {
    padding: 5px 15px;
    font-size: 0.85rem;
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
    transition: background-color 0.2s;
}

.btn-remove:hover {
    background-color: #c82333;
}

#notes-container {
    margin-top: 20px;
}

.note-container {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    padding: 15px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.note-textarea {
    flex: 1;
    min-height: 100px;
    padding: 12px;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
}

.note-textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.note-readonly {
    display: block;
}

.note-content {
    white-space: pre-wrap;
    word-wrap: break-word;
    color: #333;
}

.no-notes {
    text-align: center;
    color: #666;
    font-style: italic;
    padding: 40px;
    background-color: white;
    border-radius: 8px;
}

.actions {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
}

.actions-top {
    margin-bottom: 20px;
}

.actions-bottom {
    margin-top: 20px;
}

.index-nav {
    margin-top: 30px;
}

.index-nav a {
    display: block;
    width: 200px;
    text-align: center;
    margin-bottom: 15px;
}