.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.4;
    letter-spacing: 0.2px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: white;
    transition: all var(--transition-fast);
    height: 40px;
    line-height: 1.5;
    letter-spacing: 0.2px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-item {
    margin-bottom: 20px;
}

.form-item label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #90959f;
    font-size: 16px;
    transition: color var(--transition-fast);
}

.input-wrapper input,
.input-wrapper select {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    background: #fafbfc;
    transition: all var(--transition-normal);
    line-height: 1.5;
    letter-spacing: 0.2px;
}

.input-wrapper input:focus,
.input-wrapper select:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.input-wrapper input:focus + i,
.input-wrapper select:focus + i {
    color: var(--primary);
}

.class-student-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    background: #f5f7fa;
    border-radius: var(--radius);
    min-height: 50px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.student-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: linear-gradient(135deg, #4a6cf7 0%, #6b8cff 100%);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.student-tag i {
    font-size: 11px;
}

.btn-remove-student {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    transition: all var(--transition-fast);
    margin-left: 4px;
}

.btn-remove-student:hover {
    background: rgba(239, 68, 68, 0.8);
}